research question about environmental pollution

Research Topics & Ideas: Environment

100+ Environmental Science Research Topics & Ideas

Finding and choosing a strong research topic is the critical first step when it comes to crafting a high-quality dissertation, thesis or research project. Here, we’ll explore a variety research ideas and topic thought-starters related to various environmental science disciplines, including ecology, oceanography, hydrology, geology, soil science, environmental chemistry, environmental economics, and environmental ethics.

NB – This is just the start…

The topic ideation and evaluation process has multiple steps . In this post, we’ll kickstart the process by sharing some research topic ideas within the environmental sciences. This is the starting point though. To develop a well-defined research topic, you’ll need to identify a clear and convincing research gap , along with a well-justified plan of action to fill that gap.

If you’re new to the oftentimes perplexing world of research, or if this is your first time undertaking a formal academic research project, be sure to check out our free dissertation mini-course. Also be sure to also sign up for our free webinar that explores how to develop a high-quality research topic from scratch.

Overview: Environmental Topics

• Ecology /ecological science
• Atmospheric science
• Oceanography
• Soil science
• Environmental chemistry
• Environmental economics
• Environmental ethics
• Examples  of dissertations and theses

Topics & Ideas: Ecological Science

• The impact of land-use change on species diversity and ecosystem functioning in agricultural landscapes
• The role of disturbances such as fire and drought in shaping arid ecosystems
• The impact of climate change on the distribution of migratory marine species
• Investigating the role of mutualistic plant-insect relationships in maintaining ecosystem stability
• The effects of invasive plant species on ecosystem structure and function
• The impact of habitat fragmentation caused by road construction on species diversity and population dynamics in the tropics
• The role of ecosystem services in urban areas and their economic value to a developing nation
• The effectiveness of different grassland restoration techniques in degraded ecosystems
• The impact of land-use change through agriculture and urbanisation on soil microbial communities in a temperate environment
• The role of microbial diversity in ecosystem health and nutrient cycling in an African savannah

Topics & Ideas: Atmospheric Science

• The impact of climate change on atmospheric circulation patterns above tropical rainforests
• The role of atmospheric aerosols in cloud formation and precipitation above cities with high pollution levels
• The impact of agricultural land-use change on global atmospheric composition
• Investigating the role of atmospheric convection in severe weather events in the tropics
• The impact of urbanisation on regional and global atmospheric ozone levels
• The impact of sea surface temperature on atmospheric circulation and tropical cyclones
• The impact of solar flares on the Earth’s atmospheric composition
• The impact of climate change on atmospheric turbulence and air transportation safety
• The impact of stratospheric ozone depletion on atmospheric circulation and climate change
• The role of atmospheric rivers in global water supply and sea-ice formation

Topics & Ideas: Oceanography

• The impact of ocean acidification on kelp forests and biogeochemical cycles
• The role of ocean currents in distributing heat and regulating desert rain
• The impact of carbon monoxide pollution on ocean chemistry and biogeochemical cycles
• Investigating the role of ocean mixing in regulating coastal climates
• The impact of sea level rise on the resource availability of low-income coastal communities
• The impact of ocean warming on the distribution and migration patterns of marine mammals
• The impact of ocean deoxygenation on biogeochemical cycles in the arctic
• The role of ocean-atmosphere interactions in regulating rainfall in arid regions
• The impact of ocean eddies on global ocean circulation and plankton distribution
• The role of ocean-ice interactions in regulating the Earth’s climate and sea level

Tops & Ideas: Hydrology

• The impact of agricultural land-use change on water resources and hydrologic cycles in temperate regions
• The impact of agricultural groundwater availability on irrigation practices in the global south
• The impact of rising sea-surface temperatures on global precipitation patterns and water availability
• Investigating the role of wetlands in regulating water resources for riparian forests
• The impact of tropical ranches on river and stream ecosystems and water quality
• The impact of urbanisation on regional and local hydrologic cycles and water resources for agriculture
• The role of snow cover and mountain hydrology in regulating regional agricultural water resources
• The impact of drought on food security in arid and semi-arid regions
• The role of groundwater recharge in sustaining water resources in arid and semi-arid environments
• The impact of sea level rise on coastal hydrology and the quality of water resources

Topics & Ideas: Geology

• The impact of tectonic activity on the East African rift valley
• The role of mineral deposits in shaping ancient human societies
• The impact of sea-level rise on coastal geomorphology and shoreline evolution
• Investigating the role of erosion in shaping the landscape and impacting desertification
• The impact of mining on soil stability and landslide potential
• The impact of volcanic activity on incoming solar radiation and climate
• The role of geothermal energy in decarbonising the energy mix of megacities
• The impact of Earth’s magnetic field on geological processes and solar wind
• The impact of plate tectonics on the evolution of mammals
• The role of the distribution of mineral resources in shaping human societies and economies, with emphasis on sustainability

Topics & Ideas: Soil Science

• The impact of dam building on soil quality and fertility
• The role of soil organic matter in regulating nutrient cycles in agricultural land
• The impact of climate change on soil erosion and soil organic carbon storage in peatlands
• Investigating the role of above-below-ground interactions in nutrient cycling and soil health
• The impact of deforestation on soil degradation and soil fertility
• The role of soil texture and structure in regulating water and nutrient availability in boreal forests
• The impact of sustainable land management practices on soil health and soil organic matter
• The impact of wetland modification on soil structure and function
• The role of soil-atmosphere exchange and carbon sequestration in regulating regional and global climate
• The impact of salinization on soil health and crop productivity in coastal communities

Topics & Ideas: Environmental Chemistry

• The impact of cobalt mining on water quality and the fate of contaminants in the environment
• The role of atmospheric chemistry in shaping air quality and climate change
• The impact of soil chemistry on nutrient availability and plant growth in wheat monoculture
• Investigating the fate and transport of heavy metal contaminants in the environment
• The impact of climate change on biochemical cycling in tropical rainforests
• The impact of various types of land-use change on biochemical cycling
• The role of soil microbes in mediating contaminant degradation in the environment
• The impact of chemical and oil spills on freshwater and soil chemistry
• The role of atmospheric nitrogen deposition in shaping water and soil chemistry
• The impact of over-irrigation on the cycling and fate of persistent organic pollutants in the environment

Topics & Ideas: Environmental Economics

• The impact of climate change on the economies of developing nations
• The role of market-based mechanisms in promoting sustainable use of forest resources
• The impact of environmental regulations on economic growth and competitiveness
• Investigating the economic benefits and costs of ecosystem services for African countries
• The impact of renewable energy policies on regional and global energy markets
• The role of water markets in promoting sustainable water use in southern Africa
• The impact of land-use change in rural areas on regional and global economies
• The impact of environmental disasters on local and national economies
• The role of green technologies and innovation in shaping the zero-carbon transition and the knock-on effects for local economies
• The impact of environmental and natural resource policies on income distribution and poverty of rural communities

Topics & Ideas: Environmental Ethics

• The ethical foundations of environmentalism and the environmental movement regarding renewable energy
• The role of values and ethics in shaping environmental policy and decision-making in the mining industry
• The impact of cultural and religious beliefs on environmental attitudes and behaviours in first world countries
• Investigating the ethics of biodiversity conservation and the protection of endangered species in palm oil plantations
• The ethical implications of sea-level rise for future generations and vulnerable coastal populations
• The role of ethical considerations in shaping sustainable use of natural forest resources
• The impact of environmental justice on marginalized communities and environmental policies in Asia
• The ethical implications of environmental risks and decision-making under uncertainty
• The role of ethics in shaping the transition to a low-carbon, sustainable future for the construction industry
• The impact of environmental values on consumer behaviour and the marketplace: a case study of the ‘bring your own shopping bag’ policy

Examples: Real Dissertation & Thesis Topics

While the ideas we’ve presented above are a decent starting point for finding a research topic, they are fairly generic and non-specific. So, it helps to look at actual dissertations and theses to see how this all comes together.

Below, we’ve included a selection of research projects from various environmental science-related degree programs to help refine your thinking. These are actual dissertations and theses, written as part of Master’s and PhD-level programs, so they can provide some useful insight as to what a research topic looks like in practice.

• The physiology of microorganisms in enhanced biological phosphorous removal (Saunders, 2014)
• The influence of the coastal front on heavy rainfall events along the east coast (Henson, 2019)
• Forage production and diversification for climate-smart tropical and temperate silvopastures (Dibala, 2019)
• Advancing spectral induced polarization for near surface geophysical characterization (Wang, 2021)
• Assessment of Chromophoric Dissolved Organic Matter and Thamnocephalus platyurus as Tools to Monitor Cyanobacterial Bloom Development and Toxicity (Hipsher, 2019)
• Evaluating the Removal of Microcystin Variants with Powdered Activated Carbon (Juang, 2020)
• The effect of hydrological restoration on nutrient concentrations, macroinvertebrate communities, and amphibian populations in Lake Erie coastal wetlands (Berg, 2019)
• Utilizing hydrologic soil grouping to estimate corn nitrogen rate recommendations (Bean, 2019)
• Fungal Function in House Dust and Dust from the International Space Station (Bope, 2021)
• Assessing Vulnerability and the Potential for Ecosystem-based Adaptation (EbA) in Sudan’s Blue Nile Basin (Mohamed, 2022)
• A Microbial Water Quality Analysis of the Recreational Zones in the Los Angeles River of Elysian Valley, CA (Nguyen, 2019)
• Dry Season Water Quality Study on Three Recreational Sites in the San Gabriel Mountains (Vallejo, 2019)
• Wastewater Treatment Plan for Unix Packaging Adjustment of the Potential Hydrogen (PH) Evaluation of Enzymatic Activity After the Addition of Cycle Disgestase Enzyme (Miessi, 2020)
• Laying the Genetic Foundation for the Conservation of Longhorn Fairy Shrimp (Kyle, 2021).

Looking at these titles, you can probably pick up that the research topics here are quite specific and narrowly-focused , compared to the generic ones presented earlier. To create a top-notch research topic, you will need to be precise and target a specific context with specific variables of interest . In other words, you’ll need to identify a clear, well-justified research gap.

Need more help?

If you’re still feeling a bit unsure about how to find a research topic for your environmental science dissertation or research project, be sure to check out our private coaching services below, as well as our Research Topic Kickstarter .

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Modeling for Environmental Pollution and Change

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Several research topics related to environmental pollution and change are being rapidly advanced by modeling technologies including machine learning (ML), artificial intelligence (AI), molecular simulation, computational fluid dynamics (CFD) and other types of computational techniques. On the one hand, this ...

Keywords : Pollution, Organic pollutants, Heavy metals, Antibiotic resistance gene, Predictive modeling, Artificial intelligence, Machine learning modeling, Model interpretation

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261 Pollution Essay Topics & Essay Examples

The problem of environmental pollution is one of the main subjects for discussion worldwide. Manufacturing, carbon emissions, plastic, etc., have an adverse impact on air, water, and soil entire the world. That is why it is crucial to understand the problem and develop solutions to mitigate our negative effects on Earth.

In this article, you will find interesting research questions about pollution, ideas for your argumentative and persuasive papers, and essay examples to inspire.

Keep reading!

💡 8 Tips for Writing Essays on Pollution

🏆 best pollution topic ideas & essay examples, 🥇 captivating pollution research topics, 🌩️ shocking pollution essay examples and topic ideas, 🎓 simple & easy topics related to pollution, ✅ most interesting pollution topics to write about, ✍️ pollution essay topics for college, ❓ research questions about pollution.

There is a rising interest in ecological awareness and an overall building desire to move towards sustainable living within society. Thus, a pollution essay requires much more than merely outlining cause and effect occurrences.

Tackling a topic that should be both conscientious and demanding may be a difficult task, but with these few tips below, you can quickly address all pollution essay topics. Here are some ideas on how to make your assigned essay more comfortable to write:

Do your research beforehand. This action will help you start your bibliography, which you should begin by writing down every book and article you hope to use.

Additionally, doing so will help you better understand your subject and be more comfortable writing about it. Readers can always feel when writers are too vague because they want to avoid some aspects of a problem.

Introduce your issue from a historical viewpoint. You should explain the origin of your problem, outlining what changes began affecting the environment and why.

Doing so not only allows engaging your readers but also prevents needlessly confusing them by being evasive about your subject.

If some key terms and processes are not common knowledge, then you should explain them. Topics on pollution have tricky terminology, and you should allow your readers to read your essay while on the same level of knowledge as you.

For example, if you are writing about air pollution, then the terms you use may range from “particulate matter” to “hygroscopicity,” depending on the complexity of your essay’s subject.

The pollution essay thesis statement is a guiding line throughout your writing process. Every sentence you write should relate to your central argument and help advance it forward.

From when you start outlining until you write your conclusion and even when revising your draft, you should always ask yourself whether your writing helps you uphold your thesis.

Use credible sources to support your writing. Book and journal titles, research papers, and even interviews with respected scientists are good examples of what you should include in a bibliography.

You may also use pollution essay quotations to demonstrate scientists’ opinions or statistical numbers. When you reference your facts, your readers trust your writing and accept it as credible and truthful, as well as show a good understanding of the subject.

Give your essay an appropriate heading. Your pollution essay titles should clue your readers in on your argument. Using a “talking” title, which explains your subject at a glance, is a useful way of making your essay stand out among others.

If your subject ties together different issues, then you should think about using subheadings to make your essay more readable.

For example, when writing about nonpoint source pollution, you may need to mention its effects on both ocean and forest environments.

Doing so in different sections of your essay may help you structure your thoughts and bring together your arguments for a well-written conclusion.

Read sample essays written by others to help you understand your subject and essay structure better. Doing so will help you be consistent with your chosen citation style and immerse yourself in your research.

However, do not commit an academic offense by plagiarizing from the work of others.

Need more tips? Want to read an essay example? Visit IvyPanda!

• Water Pollution: Causes, Effects and Possible Solutions This is why clean water is required in all the places to make sure the people and all the living creatures in the planet live a good and healthy life.
• Air and Water Pollution in the Modern World The high number of vehicles in the city has greatly promoted air pollution in the area. Poor sewerage system, high pollution from industries and automobiles are among the major causes of air and water pollutions […]
• Garbage Pollution Electronic waste can also be recycled and refurbished.’Reduce’, ‘Reuse’ and ‘Recycle’ are the 3Rs that go a long way in handling the issue of garbage.
• Water Pollution: Causes, Effects, and Prevention Farmers should be encouraged to embrace this kind of farming which ensures that the manure used is biodegradable and do not end up accumulating in the water bodies once they are washed off by floods.
• The Impact of Groundwater Pollution on Agriculture and Its Prevention People have to be aware about the impact of their activities on groundwater and be able to improve the conditions, they live under, and this piece of writing will inform each reader about each detail […]
• Pollution Caused by Transportation The growth of consignment and travelers’ mobility is associated with the rise of negative impacts of transportation through pollutants. Additionally, the pollutants can be related to fuels’ refining and distribution as well as manufacturing and […]
• How to Protect the Egypt Nile River From Pollution? The secret to the overflowing waters of the Nile is linked to the five months in a year of rain experienced in Ethiopia.
• Noise Pollution: Effects, Causes, and Potential Solutions According to the International Program on Chemical Safety, “an adverse effect of noise is defined as a change in the morphology and physiology of organism that results in an impairment of functional capacity, or an […]
• Cultural Pollution:Traditions and Historical Concepts The cultures traditions and historical concepts of the Middle East have over the centuries been characterised as by a distinct sense of variety that stems from a whirlwind of customs and traditions.
• Ocean Pollution and the Fishing Industry In essence, the activities of over six billion people in the world are threatening the survival and quality of water found in the oceans, lakes and other inland water catchment areas.
• Environmental Pollution: Causes and Solutions The consequences that have risen as a result of neglecting to take care of the environment have now become a reality to the whole of mankind.
• Environmental Pollution and Its Effect on Health In climate change, due to air pollution, the main force to prevent environmental disasters need to change the approach to the production of substances from fossil fuels.
• Water Pollution in the Philippines: Metropolitan Manila Area In this brief economic analysis of water pollution in Metro Manila, it is proposed to look at the industrial use of waters and the household use to understand the impact that the population growth and […]
• Air Travel as a Cause of Severe Pollution Ecologists cite the growth of air travel as one of the factors that are contributing to environmental pollution. Restricting air transport can minimize the amount of noise that airplanes make, therefore improving the quality of […]
• The Ocean Pollution Problem Overview Ocean pollution is the unfavorable upshot due to the entrance of chemicals and particulate substances into the ocean. The land is the key source of ocean pollution in the form of non-point water pollution.
• Pollution as a Big Problem That Faces the World Pollution is human made, pausing devastating health issues among the community at large, and its management cuts across all spectrums of societies including cultural, political, ethnic, and educational backgrounds Various forms of pollution have contributed […]
• Environmental Pollution: Causes and Consequences The essay will provide an overview of pollution and proffer solutions to combating pollution for a sustainable environment and health. Preventing pollution lowers the cost to the environment and the economy.
• Car Air Pollution Further, NO2 can prevent the flow of oxygen in the blood to other parts of the body like the brain. These toxic substances settle in the lungs and disrupt the normal flow of air in […]
• Coca-Cola India and Water Pollution Issues The first difficulty that the representatives of the Coca-Cola Company happened to face due to their campaign in the territory of India was caused by the concerns of the local government.
• Nurse Associate’s Role in Air Pollution Prevention This paper analyzes current health promotion strategies in Somerset and the United Kingdom, obstacles to preventative health strategies, health screening programs, the impact of psycho-social, economic, and behavioral factors, epidemiology and genomics, vaccination and immunization […]
• Environmental Pollution in the Petroleum Industry At the same time, it threatens nature and creates many long-term issues related to pollution of air, soil, water, the weakening of the ozone layer, and the facilitation of the greenhouse gas effect.
• Air Pollution and Its Impact on Human Health Community needs assessment is a systematic process in which the health educator, the nurse and other health care professionals together with the members of the community determine the health problems & needs of the community […]
• Plastic Pollution From a Sociological Standpoint Wagner, as well as Miranda and de Carvalho-Souza, are in favor of increased recycling efforts to prevent more plastic from escaping into the sea.
• Acid Rain and Ozone Pollution Acid rain and ozone pollution are a form of pollution, which entails the release of gaseous and dust particles in quantities that destroy the integrity of the atmosphere and affect organisms in their respective habitats […]
• Water Pollution in a Community: Mitigation Plan Though for the fact that planet earth is abundant with water and almost two-thirds of the planet is made up of water still it is viewed that in future years, a shortage of water may […]
• Kuwait’s Desert Pollution Obviously, the given problem might seem not that important if to observe the general environmental situation of the country, which is extremely close to that of the environmental catastrophe, but as an ordinary citizen, who […]
• The World Oceans Pollution and Overfishing Human beings have taken a lot of time to realize the need for ocean conservation to the extent that the ocean has succumbed to ecological challenges that have affected their lives in a variety of […]
• Hudson River Pollution Concerns Unfortunately, the Industrial Revolution and the subsequent advancement of the local and national economy have turned the River into an object of environmental pollution.
• Integrated Pollution Prevention and Control Environmental management is dynamic and it is concurrent to the existing management strategies and agenda of the company. Statutes and legislations pertaining to environmental compliance enforce the need to implement environmental management and monitoring of […]
• New York City Air Pollution Problem One positive impact of technological advancements on the environment in New York is the ability to provide communication options that are friendly to the environment.
• Air Pollution Impacts on Weather and Climate Air pollution is rated to be the major cause of discomfort in the living creatures of the world for air is essential for the survival of every living creature.
• Cashion Water Quality: Spatial Distribution of Water Pollution Incidents This essay discusses the quality of water as per the report of 2021 obtained from the municipality, the quality issue and the source of pollution, and how the pollution impacts human health and the environment […]
• Environmental Factors and Health Promotion: Indoor and Outdoor Air Pollution This presentation offers some information about the damage of air pollution and presents a health promotion plan with helpful resources and evidence from research.
• Water Pollution: OIL Spills Aspects The effects of the oil spill on a species of ducks called the Harlequin ducks were formulated and the author attempted to trace out the immediate and residual effects of the oil on the birds.
• Air Pollution in Beijing and Its Effects on Society It is worth noting that different regions/countries/cities in the world have different levels of air pollution depending on the intensity/presence of causing agents and the techniques applied in dealing with air pollution.
• Smog, Its Harm and Pollution Reduction Progress Smog can be defined as the mixture of solid and liquid fog and smoke particles that are formed under the impact of high humidity and calm air.
• Advanced Pollution Prevention in the United States In the United States, the overview of the previous legislation shows that the government used to enforce measures that would deal with pollution control which occurred at the final stage of production processes. The Pollution […]
• Smog and Air Pollution in Los Angeles The city is often covered with a yellow veil in the sky, so the problem of smog is an actual problem of the state.
• Graveyard Ship Pollution in Kuwait The main legal issue of this case is the collision of two ships that led to the killing of millions of people and the dumping of waste along the sea.
• Environmental Pollution and Human Health The effects of sprawl on health workers are discussed in the article by Pohanka. It is similarly essential to take social justice and fairness into account because the effects of sprawl on population health are […]
• The Ecogeographical Impact of Air Pollution The weakness of the text is that the safety of NPs and their probable toxic effects on human health and the environment are not evaluated.
• Water Pollution as a Crime Against the Environment In particular, water pollution is a widespread crime against the environment, even though it is a severe felony that can result in harm to many people and vast territories.
• Carbon Offsets: Combatting Environmental Pollution I think that using other organizations or projects to offset an entity’s carbon footprint avoids the main goal of any present environmental protection efforts sustainability.
• Environmental Pollution: Waste Landfilling and Open Dumping The solution is simple and practical it is necessary to put efforts into further development of hard industries and stop financing the research of the issue that is useless.
• Air Pollution and Impact of Transportation Emissions of greenhouse gases, air pollution, the release of ballast water, aquatic invasive species, and oil and chemical leaks are only some of the environmental problems that marine transportation continues to cause.
• Pollution and Respiratory Disease in Louisiana The United States of America is an industrial powerhouse, a powerful nation that devoted much of its time to the growth and development of the petrochemical industry.
• Beat Plastic Pollution Essay These tips will help people to reduce the circulation of plastic in their lives. In conclusion, the best method to protect the environment is to minimize the accumulation of plastic waste by recycling, composting, and […]
• Air Pollution and Lung Disease To design a study in order to explore the link between lung disease and air pollution, it would be possible to follow a four-step process started by identifying the level or unit of analysis.
• American Society on Health and Pollution’s Activity The organization is purposed to inspire newly elected leaders to act as examples and lead the way in the promotion of a green economy that is sustainable for all American citizens.
• Environmental Justice: Pollution However, the issue of environmental racism transcends national boundaries and is likely to be repeated in other regions of the world.
• Air Pollution in China: Atmospheric Chemistry and Physics One of the most acute environmental problems in China is air pollution, which the authorities are trying to solve, but still, many people, factories, and active processes of globalization do not allow environmental programs to […]
• CSR Initiatives in Reducing Pollution and Carbon Emissions in GCC The purpose of this paper is to conduct a literature review evaluating the impact of CSR initiatives in reducing pollution and carbon emissions in GCC and the Middle East.
• The Negative Impact of Soil Pollution The picture does not show where the water is coming from, and that is how to determine whether the pollution is from a non-point source.
• Algae Explosion and Nitrogen Pollution in Lakes One of the most problematic aspects of nitrogen pollution as a form of nutrient pollution in lakes is the algae explosion.
• A Pollution Concern in the Anacostia River In addition, the unending sedimentation affected the river’s ecosystem due to the lack of sunshine, especially at the bottom of the river.
• Air Pollution and Child Health Conducting research, leading scholars, and summarizing the results of their efforts allowed the organization to investigate the numerous ways air pollution damages the human body.
• Environmental Protection: Pollution and Fossil Fuels The term used to describe a combination of oil and petroleum-related businesses, fossil fuel has been continuously cited as being dangerous for the planet.
• Importance of Mercury Water Pollution Problem Solutions The severity of the mercury contamination consequences depends on the age of the person exposed to the contamination, the way of contamination, the health condition, and many other factors.
• Issue of Pollution of Everest A policy that can be put in place by Nepal to address the current state of pollution on Everest is limiting the number of climbers to the mountain. The increase in the number of people […]
• The Impact of Atmospheric Pollution on Human Health and the Environment Atmospheric pollution is a set of environmental problems associated with releasing chemicals and accumulating concentrations of natural gases in the air.
• Air Pollution and Vulnerability to Covid-19 In other words, the findings will be used as one of the key arguments for showing that air pollution is detrimental to both individual and societal health.
• Poor Waste Disposal and Pollution in California For instance, the rapid increase in the number of factories and industries in California has led to more waste products in the state.
• Technical Report Pollution in Cities of Trinidad Many people who live in the environment close to the dumping sites are exposed to the daily combustion of the refuse, coupled with the inhalation of the emissions from the combusted material.
• Cultural Pollution in the Middle East The importance of the cultural patriarchal society suffers the whims of the feminist movement that has underscored the cultural values and roles of women.
• Fundamentals of Air Pollution The components of secondary air pollution include ozone and nitrogen oxides. Smog occurs when “car exhausts are exposed to direct sunlight”.
• The Reduction of Agricultural Nutrient Pollution: Possible Solutions The nutrients that are contained in fertilizer or manure may reach water basins and cause a dramatic increase in the populations of phytoplankton and algae.
• The Perspectives of Pollution for International Business Turning to the society’s role in changing the unsustainable system, the most important part of the discussion is usually dedicated to the role-changing possibility in the governmental structure.
• Pollution Problem: Sewage Spills in San Jose Water is a crucial element for all known forms of life to be able to live. Groundwater quality is essential for human consumption and social and economic activities.
• Equipment to Monitor Pollution Emissions In assessing the situation, the vital aspects are: the quality of the decision, the commitment of the subordinates, the knowledge of the leader, the structure of the problem, the probability of subordinates’ commitment, sharing the […]
• Global Plastic Pollution Problem and Its Drivers The primary challenge is the production and use of plastic products, which overwhelm the environment’s capacity to withstand. It cannot be burned because of air contamination, and the process of recycling equally results in plastic […]
• Plastic Pollution and Its Consequences Water in vapor form is also a product of combusted carbon-rich molecules and forms part of the hydrosphere from where it is absorbed into the biosphere.
• Newark Water Crisis: Water Pollution Problem The main problem was rooted in the fact that lead levels in the drinking water were highly elevated, which is dangerous and detrimental to the population’s health.
• Pollution Caused by Plastic Materials However, it is important to note that regardless of the many pleasant and appealing uses of plastics, the numerous health problems and dangers presented to the environment are gruesome.
• Pollution and Illegal Dumping in Chilliwack River Chilliwack River Watershed maintenance is under great pressure because of differing use of resources and activity, high demands for growth and recreation, and impacts to quality of water and riparian habitation from different water-use and […]
• Simply Green Products Firm: Pollution Allegations The natural decomposition is the surety that the company to the environmentalist organizations and the citizens. There is considerable proof that the company has been the primary producer of the packaging materials for the orchards […]
• Atmospheric Pollution Constituents A department dealing with the effects of atmospheric pollutants in the vicinity of an industrial complex has established a data table of measurements of a purity index Y on a scale of 0 to 1000 […]
• Air Pollution: The Problem’ Review Indoor pollution and related conditions are a big burden to the already suffering world according to the reports of the world health organization that it’s the 8th most important risk factor and is perceived to […]
• Law, Property Rights, and Air Pollution In the law of torts, ‘harm’ is considered when there is physical invasion to a person there fore in the case there was no violation of this law as the secretary was not harmed by […]
• Reducing Traffic Noise Pollution in Cairo In conclusion, it seems reasonable to state that the issue of traffic noise pollution is rapidly growing in Egypt’s capital Cairo and increasingly impacts public health.
• Air Pollution in Middle East: Saudi Arabia The rate of air pollution in the world has increased gradually since the advent of the industrial revolution in the early 1800s.
• Global Pollution and Climate Change Both of these works address the topic of Global pollution, Global warming, and Climate change, which are relevant to the current situation in the world.
• Health Science: Pollution and Health The spill was apparently a result of the containing dam wall being weak and the ensuing heavy rains rapidly increased the volume of the contents resulting in breaking of the reservoir.
• Point vs. Non-Point Air Pollution To determine the air pollution source of a large smoke stack, one has to assess the physical characteristics of the smoke; description of the color concentration intensity is it grey or extremely dark?
• Noise Pollution: Best Practicable Means Magistrates’ Court identified Statutory Nuisance in the case and forwarded an abatement order against respondents along with a huge fine for their misconduct that led to noise pollution.
• Public Policy Issue: Particle Pollution in Chicago Metropolitan Area The Chicago metropolitan area has been mentioned quite a number of times in American Lung Association’s State of the Air 2008, an annual report that grades the quality of the air across the different cities […]
• Noise Pollution: Environmental Issue in Lagos, Nigeria The aim of the study would be to understand and evaluate the amount of noise pollution in Lagos, Nigeria and its affects on public health.
• Air Pollution and Health Issues in the US The industry of health care is closely connected to the industrial activities sector, which has the largest impact on the atmosphere through polluting the air, soil, and waters.
• Thames Water Company’s Pollution Issue and Ecocentrism Fines can be treated as a strong solution to this issue even though it is not presupposed by the ethical theory discussed, as they ensure that some funds can be spent on protecting the environment.
• Air Pollution Externalities and Possible Solutions In order to fully integrate public utility, power generation, policy and use of nuclear power in light of the growing concerns on the depletion of natural forms of energy as well as degradation of the […]
• Industrial Pollution in China and USA The pollution of world’s environment with industrial wastes is highly intensified and according to the authors’ opinion the scientific approach is the most significant and useful tool for the purpose of quick resolving of this […]
• Air Pollution and Ecological Perspectives of the Atmosphere The major contributors to CO2, one of the main pollutants in the atmosphere, are the burning of fossil fuels and deforestation.
• Pollution Is a Consistent Demolition of the Earth Pollution means the introduction into the environment of substances or energy that is liable to cause hazards to human health, harm to living resources and ecological systems, damage to structure or interfere with the legitimate […]
• Air Pollution and Its World History From the times of industrial revolution, smoke pollution was a concern and continues to be one with vehicles and industries replacing coal and wood.
• The Influence of Global Warming and Pollution on the Environment This essay is going to address global warming from a psychological point of view with an emphasis on the psychological and social reasons that make it important to tackle this problem which is threatening the […]
• Atmospheric Chemistry – Pollution Ozone, a photochemical pollutant, is formed by the oxidation of explosive organic compounds in the presence of sunlight and oxides of nitrogen in the atmosphere.
• Construction Technology and Air Pollution Hot-list section has new and transferable technology and highlights the features that appeal to construction companies, specifies and designers, owners of the building and end users.
• As China Roars, Pollution Reaches Deadly Extremes The idea is to harness the excess waters of the Yangtze River to replenish the Yellow River which perennially suffers from lack of water and the formation of silt.
• Noise and Sound Pollution The noise pollution should be considered by the duration of the sound, the frequency of noise, and whether there is any control to the sound or not.
• Pollution Control Policy: Glodal Issues Global warming poses a great problem for the global biosphere since it affects the habitat of most of the natural occupants of the global hemisphere.
• Earth’s Atmosphere and Natural Pollution The stratosphere is the next layer of the atmosphere and is from that 7 17 km range to about 30 km above the earth’s surface.
• Atmospheric Pollution and Global Warming Green forests help in soaking the suspended particles in the air and thus clean the air for all of us to breathe.
• Recurrent Pollution of the Tisza River of Hungary The Tisza basin is located almost precisely in the geographical center of Europe and crosses the near-future boundary of the European Union.
• Marine Pollution: Management and International Legislation Marine environment refers to: the physical, chemical, geological and biological components, conditions and factors which interact and determine the productivity of, state, condition and quality of the marine ecosystem, the waters of the seas and […]
• Marine Pollution: Sources, Types, Pathways, and Status By examining sources, types, pathways, and status of water contamination in the context of the World Ocean, it is clear that most marine pollution caused by human actions, especially the mismanagement of plastic debris.
• The Public Perceptions of Air Pollution and Related Policies in London The primary questions for consideration are the public perceptions of air pollution and related policies in London and other cities of the United Kingdom, previous surveys regarding existing policies related to the environment or air […]
• Concerns of Ocean Ecosystem Pollution The range of adverse outcomes for ocean ecosystems can be discussed in volumes; however, the current discussion will focus on trash in the ocean waters, acidification, and the disruption of the marine life cycles.
• Food Distribution and Water Pollution Therefore, food distribution is one of the central reasons for water pollution. According to Greenpeace, one of the ways to improve the ecology of the planet is by creating healthy food markets.
• How China Cuts Its Air Pollution 5, which is the smallest and one of the most harmful polluting particles, were 54 percent lower in the last quarter of 2017 as compared to the same period in 2016, specifically in Beijing.
• Haze Pollution in China One of the outstanding aspects of pollution in the country is that the Chinese are highly desensitized and aware of issues surrounding this matter.
• Pollution and Federal Environmental Policy Pollution continues to influence the flora and the fauna of the United States, as well as people in urban and even rural areas.
• Plastic Pollution and Social Institutions The purpose of this paper is to investigate the political and economic barriers that hamper the efforts to reduce plastic pollution and discuss the ways in how they could be overcome.
• Social Activism Against Plastic Pollution Of the 30 million tons of plastic waste in the United States in 2009, only 7% were sent for recycling, which primarily damages marine life.
• Climate Change: Reducing Industrial Air Pollution One of the most effective measures of air quality in the USA is the Air Quality Index, which estimates air conditions by concentrations of such pollutants as particle solution, nitrogen and sulfur dioxide, carbon monoxide, […]
• Pollution as a Social Issue and Mass Media’s Role The reason why plastic pollution gained traction only during the 21st century is directly connected to the invention of the Internet and the technological advances in electronics.
• Environmental Ethics. Optimal Pollution: Reality or Myth? The effects of globalization and environmental change have caused the resurgence of environmentalism, yet the necessity to sustain industries and the global economy invalidates the idea of a pollution-free environment.
• Environmental Pollution and Contamination The rains are known to corrode marble and metals, cause respiratory diseases in human beings and increase the acidity of the soil.
• Low Pollution Car Engine The following is a discussion on the introduction of the low pollution car engine and its benefits to the UAE. In addition, pollution and climate change will be a thing of the past.
• Chemistry: Environmental Pollution in Hungary The acidification of water bodies leads to the death of numerous species that are susceptible to the presence of acid. Part of the problem is caused by the fact that Hungary is currently forced to […]
• Environmental Pollution Analysis The author explains that the damaging alterations have become possible due to the use of a large number of pesticides in the area.
• Coal Pollution in China as an Environmental Problem Thesis: Coal pollution in China has been a significant cause of environmental pollution-China being one of the largest coal producers in the world- therefore, necessitating the development of appropriate measures to reduce its severity.
• Air Pollution, Its Constituents and Health Effects The National Ambient Air Quality Standards are the regulations or policies that are adopted by states to ensure the safety of the environment.
• The Deepwater Horizon Oil Platform Pollution The oil spillage in the sea can result to the death of sea animals as well as plants that thrive in the water because of the dangerous chemicals that are contained in the oil.
• Air Pollution in the United Arab Emirates’ Cities In the article called Evaluating the Potential Impact of Global Warming on the UAE Residential Buildings, the author focuses on the negative consequences of global warming on the situation in the United Arab Emirates.
• Environmental Pollution and Increased Birds Death The increase in the population of different animals may also cause the death of birds. This leads to the extinction of some animals and birds hence massive death.
• Climate Change, Air Pollution, Soil Degradation Then followed by outdoor air pollution, soil degradation which can also be called as soil contamination, global overpopulation, drinking water pollution, nuclear waste build-up, disappearing of the water supplies, indoor air pollution, depletion of the […]
• China Shenhua Energy Company: Pollution Reducing Although the Chinese government recognized the issue of pollution and announced a course for liberalization of the economy and a greater emphasis on ecology during the 12th 5-year plan, the transformation from a coal-based energy […]
• Air Pollution in Washington State and Healthy Living of People The problem of air pollution is closely related to the issue of the energy supply of the US. Due to the high level of air pollution in Washington state, there is a growing threat to […]
• Air Pollution as a Factor for Renal Cancer Therefore, to prevent renal cancer, it is crucial to examine the primary causes and look for better strategies to curb the issue.
• Podocnemis Lewyana: Habitat Loss, Overfishing and Pollution The second factor is overhunting, which in the case of Magdalena River Turtle leads to the inability of these animals to locate food.
• Pollution in the San Francisco Bay The rivers provide fresh water for domestic use to many civilians, and it is apparent that the authorities have given the power plant the freedom to test the quantity of chemicals in the waste water.
• Indoor Air Pollution: The Silent Killer in Rural India The video “Indoor air pollution: The silent killer” discusses the detrimental impact of indoor air pollution in rural Indian households on people’s health. The problem of indoor air pollution is rather significant, and people should […]
• Water Pollution and Associated Health Risks The results of plenty of studies indicate the existence of the relation between the contamination of water by hazardous chemicals and the development of respiratory and cardiovascular diseases, cancer, asthma, allergies, as well as reproductive […]
• Air Pollution and China’s Governmental Measures The consequences of air pollution in China are already becoming evident, and not only they are the reason for environmental problems, but also they have a significant influence on the health of Chinese people living […]
• Lake Erie Water Pollution There are worries among the members of the community that the lake could be facing another episode of high toxicity, and they have called for the authorities to investigate the main causes of the pollution […]
• Environmental Pollution and Green Policies Although various scholars are of the view that green technology reduces the level of pollution, adequate research on the use of this form of technology needs to be conducted so as to fully contain environmental […]
• Air Pollution in Beijing and the Decision-Making Bias Severe air pollution in Beijing did not become a subject of worldwide concern and discussion until the 2008 Beijing Olympics, which brought the issue to the attention of the global public due to the immense […]
• “Fort McMurray Fires Cause Air Pollution” by McDiarmid As a rule, the air in Canada is clean and rich in oxygen; however, when the wildfire burst, it affected the ozone layer to a significant degree.
• Air Pollution as the Trigger of the Ecological Catastrophe The key data collection tool is a survey that is targeted at determining the main factors of air pollution, finding out the social opinion regarding the quality of air in different cities, and estimating the […]
• Agricultural Nutrient Pollution and Its Reduction The solutions that have been proposed for the issue are varied: there is the possibility of upgrading farms with the help of better technologies, controlling the use of fertilizers and waste discharge with the help […]
• Water & Air Pollution and Health Issues in Brazil The main environmental effects of pollution include the destruction of marine habitats, water scarcity, and anoxia. The conclusion is informative because the writer includes strategies to alleviate the problem of air and water pollution in […]
• Air Pollution and Respiratory Illnesses in Nigeria The purpose of the article presented was to test the relationship of the respiratory system illness and air pollution in developing countries, especially in Africa.
• Air Pollution Impact on Children’s Health in the US In these parts of the country, the level of air pollution is much higher. Nevertheless, the growing number of vehicles in the United States contributes to air pollution.
• Traffic-Related Air Pollution and Health Effects It emphasizes the fact that air contamination has a negative influence on the health of the representatives of the general public.
• Nebraska Pollution Prevention Project The article is about Nebraska’s Partners in Pollution Prevention program and the benefits it has brought to the state in the reduction of pollution caused by small businesses.
• Storm Water Pollution Prevention Plan All players need to be trained in significant areas of business so as they can handle them with care and beware of the potential they have in causing damage.
• Water Pollution in the US: Causes and Control Although water pollution can hardly be ceased entirely, the current rates of water pollution can be reduced by resorting to the sustainable principle of water use in both the industrial area and the realm of […]
• Economic View on Water and Pollution Some of the water is found in the continents’ rivers, lakes and in the subsurface. This research tries to explain the importance of water especially in an economist’s perspective by explaining the uses of water […]
• Air Pollution in Los Angeles The escalation of congestion in the city has worsened the problem of air pollution because of the volume of unhealthy air emitted in the atmosphere.
• Noise Pollution: Urban Traffic Noise Besides these two, noise also has an effect on the learning of an individual so that it distracts the individual in a way that s/he is not able to learn, as would be the case […]
• Environmental Revolution: Air Pollution in China For instance, a case study of the current pollution levels in China reveals that the country is struggling with the management of hazy weather.
• Pollution & Climate Change as Environmental Risks The purpose of this essay is to provide an analysis of the three articles, focusing on the environmental risks and the risk perceptions of the authors.
• The Knoxville City’s Environmental Pollution It is necessary to address some pollution management issues and think about the measures to reduce pollution rates and help people survive any kind of environmental problems.
• Aviation’s Environmental Impact and Pollution
• Environmental Behavior and Air Pollution in Ohio
• Water Pollution and Management in the UAE
• Pollution of the Ganges and Its Main Factors
• Pollution Externalities Role in Management Economics
• Marine Pollution and the Anthropogenic Effects Upon It
• The New York City Air Pollution
• Air Pollution Effects on the Health and Environment
• Dealing With Air Pollution
• Environmental Justice and Air Pollution in Canada
• Environment Destruction: Pollution
• Big Coal and the Natural Environment Pollution
• Principles of Air Pollution Control and Analysis
• China’s Air Pollution Problem
• Pollution and Human Health
• Business and Pollution Inequality in Poor States
• China’s Air Pollution Is Not Unique
• Water Pollution and Its Challenges
• An Investigation of Green Roofs to Mitigate Air Pollution With Special Reference to Tehran, Iran
• Air Pollution: Human Influence on Environment
• Water Pollution Sources, Effects and Control
• Issues in Non-Point Source Pollution
• Air Pollution Sources in Houston
• Pollution Prevention in the Industrial Production
• Pollution Caused by Medium-Sized Enterprises and the Means to Prevent It
• Technological Applications in Industrial Pollution Prevention
• Air Pollution: Public Health Impact
• Solutions to the Los Angeles Metropolitan Watershed Pollution Problem
• Economic Impact of Industrial Pollution in China
• Environmental Impacts of Air Pollution
• Pollution and Neglect in America
• Pollution in Beijing, China
• Nitrate and Phosphate Pollution of Freshwater Ecosystem: Sources, Impacts and Cost Effective Measurements
• Automobile Pollution in the US
• Chloramine in Drinking Water: When the Threat of Pollution Emerges
• How Mechanical Engineering Used to Prevent and Fix Oil Pollution
• Technologies for Reduction of Automobile Pollution
• “Water and Pollution” Class Game
• How Bad Pollution Is in the Arab World
• Water in Crisis: Public Health Concerns in Africa
• Does Air Pollution in Schools Influence Student Performance?
• Regulation and Management of Haze Pollution in Canada
• Air Pollution Characteristics and Effect
• Impact of Blowing Drums on Air Pollution
• The System for Pollution Offsets
• The Nature of Nonpoint Pollution Control Problem
• Air and Water Pollution
• Health Hazard of Noise Pollution
• Fossil Fuels Subsidies and the Impact of Pollution on Health and Lifetime Earnings
• Causes of Water Pollution and the Present Environmental Solution
• Water Pollution & Diseases (Undeveloped Nations)
• Environmental Pollution in Canada
• The Impact of Industrial Pollution on the Environment
• Water and Water Pollution in Point of Economics’ View
• Air Pollution Sources, Effects and Ways of Minimizing
• The Problem of Ocean Pollution in Modern World
• Environmental Justice Issues Affecting African Americans: Water Pollution
• Plastic Ocean Pollution on Ocean Life in U.S.
• Air Pollution Effects on the Health in China
• Air Pollution and Health Policy in China
• The Pollution Within: Foreign Substances in the Human Body
• The Effects of Noise Pollution
• Air Pollution and Its Consequences
• The Problem of Atmospheric Pollution in Modern World
• Four Marketing Practices That Cause Noise Pollution
• Water Pollution and Wind Energy
• Air Pollution by Automobiles
• Air and Water Pollution in Los Angeles
• Tehran Chokes and Blames Severe Pollution on US Sanctions
• Water Pollution Causes and Climate Impacts
• The Case of PBC Pollution in Hudson River
• Preposition 23: Suspension of Air Pollution Control Act
• Climate and Air Pollution
• Urban Pollution – Many Long Years Ago
• Water Pollution Origins and Ways of Resolving
• Can Pollution Rights Trading Effectively Control Environmental Problems?
• Mud Lick Creek Project – Fresh Water Pollution
• A Discussion of Air Pollution & Related Health Implications on the Community
• Car Pollution in Moscow
• What Causes Air Pollution and What Effect Does It Have on People?
• Why Air Pollution Can Harm the Environment Dramatically?
• What Are the Sources of Air Pollution?
• Does Air Pollution Affect Health and Medical Insurance Cost in the Elderly?
• What Are the Causes and Effects of Water Pollution in Lake Huron?
• What Causes Water Pollution and Its Effects?
• What Can the Public Do to Curb Pollution?
• Will COVID-19 Containment and Treatment Measures Drive Shifts in Marine Litter Pollution?
• Does Inequality Matter Air Pollution and Health Relationship?
• Why Environmental Management May Yield No-Regret Pollution Abatement Options?
• How Can Be Organised Curbing Environmental Pollution Through Recycling?
• What Will the Effects Be if We Don’t Stop Plastic Pollution in Our Oceans?
• Does Air Pollution Crowd Out Foreign Direct Investment Inflows?
• Does Off-Farm Employment Contribute to Agriculture-Based Environmental Pollution?
• Does Environmental Pollution Affect Metropolitan Housing Prices?
• Does Financial Instability Increase Environmental Pollution in Pakistan?
• What Are the Leading Factors of Water Pollution Around the World?
• What King of Cost-Effective Control Strategies for Energy-Related Transboundary Air Pollution in Western Europe?
• Which Firms Are More Sensitive to Public Disclosure Schemes for Pollution Control?
• What Are the Kinds of Water Pollution?
• Does Air Pollution Affect Consumption Behavior?
• What Are the Causes and Effects of Water Pollution?
• Does Animal Feeding Operation Pollution Hurt Public Health?
• Does Industry Self-Regulation Reduce Pollution?
• Will Pollution Free Cars Become a Reality of the Near Future?
• Who Pays for Industrial Pollution Abatement?
• Does Trade Promote Environmental Coordination of Pollution in International Rivers?
• Who Suffers From Indoor Air Pollution?
• What Are the Main Ways to Reduce Pollution?
• What Causes Haze Pollution?
• Chicago (A-D)
• Chicago (N-B)

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Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants.

Biology, Ecology, Health, Earth Science, Geography

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Pollution is the introduction of harmful materials into the environment . These harmful materials are called pollutants . Pollutants can be natural, such as volcanic ash . They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land. Many things that are useful to people produce pollution. Cars spew pollutants from their exhaust pipes. Burning coal to create electricity pollutes the air. Industries and homes generate garbage and sewage that can pollute the land and water. Pesticides —chemical poisons used to kill weeds and insects— seep into waterways and harm wildlife . All living things—from one-celled microbes to blue whales—depend on Earth ’s supply of air and water. When these resources are polluted, all forms of life are threatened. Pollution is a global problem. Although urban areas are usually more polluted than the countryside, pollution can spread to remote places where no people live. For example, pesticides and other chemicals have been found in the Antarctic ice sheet . In the middle of the northern Pacific Ocean, a huge collection of microscopic plastic particles forms what is known as the Great Pacific Garbage Patch . Air and water currents carry pollution. Ocean currents and migrating fish carry marine pollutants far and wide. Winds can pick up radioactive material accidentally released from a nuclear reactor and scatter it around the world. Smoke from a factory in one country drifts into another country. In the past, visitors to Big Bend National Park in the U.S. state of Texas could see 290 kilometers (180 miles) across the vast landscape . Now, coal-burning power plants in Texas and the neighboring state of Chihuahua, Mexico have spewed so much pollution into the air that visitors to Big Bend can sometimes see only 50 kilometers (30 miles). The three major types of pollution are air pollution , water pollution , and land pollution . Air Pollution Sometimes, air pollution is visible . A person can see dark smoke pour from the exhaust pipes of large trucks or factories, for example. More often, however, air pollution is invisible . Polluted air can be dangerous, even if the pollutants are invisible. It can make people’s eyes burn and make them have difficulty breathing. It can also increase the risk of lung cancer . Sometimes, air pollution kills quickly. In 1984, an accident at a pesticide plant in Bhopal, India, released a deadly gas into the air. At least 8,000 people died within days. Hundreds of thou sands more were permanently injured. Natural disasters can also cause air pollution to increase quickly. When volcanoes erupt , they eject volcanic ash and gases into the atmosphere . Volcanic ash can discolor the sky for months. After the eruption of the Indonesian volcano of Krakatoa in 1883, ash darkened the sky around the world. The dimmer sky caused fewer crops to be harvested as far away as Europe and North America. For years, meteorologists tracked what was known as the “equatorial smoke stream .” In fact, this smoke stream was a jet stream , a wind high in Earth’s atmosphere that Krakatoa’s air pollution made visible. Volcanic gases , such as sulfur dioxide , can kill nearby residents and make the soil infertile for years. Mount Vesuvius, a volcano in Italy, famously erupted in 79, killing hundreds of residents of the nearby towns of Pompeii and Herculaneum. Most victims of Vesuvius were not killed by lava or landslides caused by the eruption. They were choked, or asphyxiated , by deadly volcanic gases. In 1986, a toxic cloud developed over Lake Nyos, Cameroon. Lake Nyos sits in the crater of a volcano. Though the volcano did not erupt, it did eject volcanic gases into the lake. The heated gases passed through the water of the lake and collected as a cloud that descended the slopes of the volcano and into nearby valleys . As the toxic cloud moved across the landscape, it killed birds and other organisms in their natural habitat . This air pollution also killed thousands of cattle and as many as 1,700 people. Most air pollution is not natural, however. It comes from burning fossil fuels —coal, oil , and natural gas . When gasoline is burned to power cars and trucks, it produces carbon monoxide , a colorless, odorless gas. The gas is harmful in high concentrations , or amounts. City traffic produces highly concentrated carbon monoxide. Cars and factories produce other common pollutants, including nitrogen oxide , sulfur dioxide, and hydrocarbons . These chemicals react with sunlight to produce smog , a thick fog or haze of air pollution. The smog is so thick in Linfen, China, that people can seldom see the sun. Smog can be brown or grayish blue, depending on which pollutants are in it. Smog makes breathing difficult, especially for children and older adults. Some cities that suffer from extreme smog issue air pollution warnings. The government of Hong Kong, for example, will warn people not to go outside or engage in strenuous physical activity (such as running or swimming) when smog is very thick.

When air pollutants such as nitrogen oxide and sulfur dioxide mix with moisture, they change into acids . They then fall back to earth as acid rain . Wind often carries acid rain far from the pollution source. Pollutants produced by factories and power plants in Spain can fall as acid rain in Norway. Acid rain can kill all the trees in a forest . It can also devastate lakes, streams, and other waterways. When lakes become acidic, fish can’t survive . In Sweden, acid rain created thousands of “ dead lakes ,” where fish no longer live. Acid rain also wears away marble and other kinds of stone . It has erased the words on gravestones and damaged many historic buildings and monuments . The Taj Mahal , in Agra, India, was once gleaming white. Years of exposure to acid rain has left it pale. Governments have tried to prevent acid rain by limiting the amount of pollutants released into the air. In Europe and North America, they have had some success, but acid rain remains a major problem in the developing world , especially Asia. Greenhouse gases are another source of air pollution. Greenhouse gases such as carbon dioxide and methane occur naturally in the atmosphere. In fact, they are necessary for life on Earth. They absorb sunlight reflected from Earth, preventing it from escaping into space. By trapping heat in the atmosphere, they keep Earth warm enough for people to live. This is called the greenhouse effect . But human activities such as burning fossil fuels and destroying forests have increased the amount of greenhouse gases in the atmosphere. This has increased the greenhouse effect, and average temperatures across the globe are rising. The decade that began in the year 2000 was the warmest on record. This increase in worldwide average temperatures, caused in part by human activity, is called global warming . Global warming is causing ice sheets and glaciers to melt. The melting ice is causing sea levels to rise at a rate of two millimeters (0.09 inches) per year. The rising seas will eventually flood low-lying coastal regions . Entire nations, such as the islands of Maldives, are threatened by this climate change . Global warming also contributes to the phenomenon of ocean acidification . Ocean acidification is the process of ocean waters absorbing more carbon dioxide from the atmosphere. Fewer organisms can survive in warmer, less salty waters. The ocean food web is threatened as plants and animals such as coral fail to adapt to more acidic oceans. Scientists have predicted that global warming will cause an increase in severe storms . It will also cause more droughts in some regions and more flooding in others. The change in average temperatures is already shrinking some habitats, the regions where plants and animals naturally live. Polar bears hunt seals from sea ice in the Arctic. The melting ice is forcing polar bears to travel farther to find food , and their numbers are shrinking. People and governments can respond quickly and effectively to reduce air pollution. Chemicals called chlorofluorocarbons (CFCs) are a dangerous form of air pollution that governments worked to reduce in the 1980s and 1990s. CFCs are found in gases that cool refrigerators, in foam products, and in aerosol cans . CFCs damage the ozone layer , a region in Earth’s upper atmosphere. The ozone layer protects Earth by absorbing much of the sun’s harmful ultraviolet radiation . When people are exposed to more ultraviolet radiation, they are more likely to develop skin cancer, eye diseases, and other illnesses. In the 1980s, scientists noticed that the ozone layer over Antarctica was thinning. This is often called the “ ozone hole .” No one lives permanently in Antarctica. But Australia, the home of more than 22 million people, lies at the edge of the hole. In the 1990s, the Australian government began an effort to warn people of the dangers of too much sun. Many countries, including the United States, now severely limit the production of CFCs. Water Pollution Some polluted water looks muddy, smells bad, and has garbage floating in it. Some polluted water looks clean, but is filled with harmful chemicals you can’t see or smell. Polluted water is unsafe for drinking and swimming. Some people who drink polluted water are exposed to hazardous chemicals that may make them sick years later. Others consume bacteria and other tiny aquatic organisms that cause disease. The United Nations estimates that 4,000 children die every day from drinking dirty water. Sometimes, polluted water harms people indirectly. They get sick because the fish that live in polluted water are unsafe to eat. They have too many pollutants in their flesh. There are some natural sources of water pollution. Oil and natural gas, for example, can leak into oceans and lakes from natural underground sources. These sites are called petroleum seeps . The world’s largest petroleum seep is the Coal Oil Point Seep, off the coast of the U.S. state of California. The Coal Oil Point Seep releases so much oil that tar balls wash up on nearby beaches . Tar balls are small, sticky pieces of pollution that eventually decompose in the ocean.

Human activity also contributes to water pollution. Chemicals and oils from factories are sometimes dumped or seep into waterways. These chemicals are called runoff. Chemicals in runoff can create a toxic environment for aquatic life. Runoff can also help create a fertile environment for cyanobacteria , also called blue-green algae . Cyanobacteria reproduce rapidly, creating a harmful algal bloom (HAB) . Harmful algal blooms prevent organisms such as plants and fish from living in the ocean. They are associated with “ dead zones ” in the world’s lakes and rivers, places where little life exists below surface water. Mining and drilling can also contribute to water pollution. Acid mine drainage (AMD) is a major contributor to pollution of rivers and streams near coal mines . Acid helps miners remove coal from the surrounding rocks . The acid is washed into streams and rivers, where it reacts with rocks and sand. It releases chemical sulfur from the rocks and sand, creating a river rich in sulfuric acid . Sulfuric acid is toxic to plants, fish, and other aquatic organisms. Sulfuric acid is also toxic to people, making rivers polluted by AMD dangerous sources of water for drinking and hygiene . Oil spills are another source of water pollution. In April 2010, the Deepwater Horizon oil rig exploded in the Gulf of Mexico, causing oil to gush from the ocean floor. In the following months, hundreds of millions of gallons of oil spewed into the gulf waters. The spill produced large plumes of oil under the sea and an oil slick on the surface as large as 24,000 square kilometers (9,100 square miles). The oil slick coated wetlands in the U.S. states of Louisiana and Mississippi, killing marsh plants and aquatic organisms such as crabs and fish. Birds, such as pelicans , became coated in oil and were unable to fly or access food. More than two million animals died as a result of the Deepwater Horizon oil spill. Buried chemical waste can also pollute water supplies. For many years, people disposed of chemical wastes carelessly, not realizing its dangers. In the 1970s, people living in the Love Canal area in Niagara Falls, New York, suffered from extremely high rates of cancer and birth defects . It was discovered that a chemical waste dump had poisoned the area’s water. In 1978, 800 families living in Love Canal had to a bandon their homes. If not disposed of properly, radioactive waste from nuclear power plants can escape into the environment. Radioactive waste can harm living things and pollute the water. Sewage that has not been properly treated is a common source of water pollution. Many cities around the world have poor sewage systems and sewage treatment plants. Delhi, the capital of India, is home to more than 21 million people. More than half the sewage and other waste produced in the city are dumped into the Yamuna River. This pollution makes the river dangerous to use as a source of water for drinking or hygiene. It also reduces the river’s fishery , resulting in less food for the local community. A major source of water pollution is fertilizer used in agriculture . Fertilizer is material added to soil to make plants grow larger and faster. Fertilizers usually contain large amounts of the elements nitrogen and phosphorus , which help plants grow. Rainwater washes fertilizer into streams and lakes. There, the nitrogen and phosphorus cause cyanobacteria to form harmful algal blooms. Rain washes other pollutants into streams and lakes. It picks up animal waste from cattle ranches. Cars drip oil onto the street, and rain carries it into storm drains , which lead to waterways such as rivers and seas. Rain sometimes washes chemical pesticides off of plants and into streams. Pesticides can also seep into groundwater , the water beneath the surface of the Earth. Heat can pollute water. Power plants, for example, produce a huge amount of heat. Power plants are often located on rivers so they can use the water as a coolant . Cool water circulates through the plant, absorbing heat. The heated water is then returned to the river. Aquatic creatures are sensitive to changes in temperature. Some fish, for example, can only live in cold water. Warmer river temperatures prevent fish eggs from hatching. Warmer river water also contributes to harmful algal blooms. Another type of water pollution is simple garbage. The Citarum River in Indonesia, for example, has so much garbage floating in it that you cannot see the water. Floating trash makes the river difficult to fish in. Aquatic animals such as fish and turtles mistake trash, such as plastic bags, for food. Plastic bags and twine can kill many ocean creatures. Chemical pollutants in trash can also pollute the water, making it toxic for fish and people who use the river as a source of drinking water. The fish that are caught in a polluted river often have high levels of chemical toxins in their flesh. People absorb these toxins as they eat the fish. Garbage also fouls the ocean. Many plastic bottles and other pieces of trash are thrown overboard from boats. The wind blows trash out to sea. Ocean currents carry plastics and other floating trash to certain places on the globe, where it cannot escape. The largest of these areas, called the Great Pacific Garbage Patch, is in a remote part of the Pacific Ocean. According to some estimates, this garbage patch is the size of Texas. The trash is a threat to fish and seabirds, which mistake the plastic for food. Many of the plastics are covered with chemical pollutants. Land Pollution Many of the same pollutants that foul the water also harm the land. Mining sometimes leaves the soil contaminated with dangerous chemicals. Pesticides and fertilizers from agricultural fields are blown by the wind. They can harm plants, animals, and sometimes people. Some fruits and vegetables absorb the pesticides that help them grow. When people consume the fruits and vegetables, the pesticides enter their bodies. Some pesticides can cause cancer and other diseases. A pesticide called DDT (dichlorodiphenyltrichloroethane) was once commonly used to kill insects, especially mosquitoes. In many parts of the world, mosquitoes carry a disease called malaria , which kills a million people every year. Swiss chemist Paul Hermann Muller was awarded the Nobel Prize for his understanding of how DDT can control insects and other pests. DDT is responsible for reducing malaria in places such as Taiwan and Sri Lanka. In 1962, American biologist Rachel Carson wrote a book called Silent Spring , which discussed the dangers of DDT. She argued that it could contribute to cancer in humans. She also explained how it was destroying bird eggs, which caused the number of bald eagles, brown pelicans, and ospreys to drop. In 1972, the United States banned the use of DDT. Many other countries also banned it. But DDT didn’t disappear entirely. Today, many governments support the use of DDT because it remains the most effective way to combat malaria. Trash is another form of land pollution. Around the world, paper, cans, glass jars, plastic products, and junked cars and appliances mar the landscape. Litter makes it difficult for plants and other producers in the food web to create nutrients . Animals can die if they mistakenly eat plastic. Garbage often contains dangerous pollutants such as oils, chemicals, and ink. These pollutants can leech into the soil and harm plants, animals, and people. Inefficient garbage collection systems contribute to land pollution. Often, the garbage is picked up and brought to a dump, or landfill . Garbage is buried in landfills. Sometimes, communities produce so much garbage that their landfills are filling up. They are running out of places to dump their trash. A massive landfill near Quezon City, Philippines, was the site of a land pollution tragedy in 2000. Hundreds of people lived on the slopes of the Quezon City landfill. These people made their living from recycling and selling items found in the landfill. However, the landfill was not secure. Heavy rains caused a trash landslide, killing 218 people. Sometimes, landfills are not completely sealed off from the land around them. Pollutants from the landfill leak into the earth in which they are buried. Plants that grow in the earth may be contaminated, and the herbivores that eat the plants also become contaminated. So do the predators that consume the herbivores. This process, where a chemical builds up in each level of the food web, is called bioaccumulation . Pollutants leaked from landfills also leak into local groundwater supplies. There, the aquatic food web (from microscopic algae to fish to predators such as sharks or eagles) can suffer from bioaccumulation of toxic chemicals. Some communities do not have adequate garbage collection systems, and trash lines the side of roads. In other places, garbage washes up on beaches. Kamilo Beach, in the U.S. state of Hawai'i, is littered with plastic bags and bottles carried in by the tide . The trash is dangerous to ocean life and reduces economic activity in the area. Tourism is Hawai'i’s largest industry . Polluted beaches discourage tourists from investing in the area’s hotels, restaurants, and recreational activities. Some cities incinerate , or burn, their garbage. Incinerating trash gets rid of it, but it can release dangerous heavy metals and chemicals into the air. So while trash incinerators can help with the problem of land pollution, they sometimes add to the problem of air pollution. Reducing Pollution Around the world, people and governments are making efforts to combat pollution. Recycling, for instance, is becoming more common. In recycling, trash is processed so its useful materials can be used again. Glass, aluminum cans, and many types of plastic can be melted and reused . Paper can be broken down and turned into new paper. Recycling reduces the amount of garbage that ends up in landfills, incinerators, and waterways. Austria and Switzerland have the highest recycling rates. These nations recycle between 50 and 60 percent of their garbage. The United States recycles about 30 percent of its garbage. Governments can combat pollution by passing laws that limit the amount and types of chemicals factories and agribusinesses are allowed to use. The smoke from coal-burning power plants can be filtered. People and businesses that illegally dump pollutants into the land, water, and air can be fined for millions of dollars. Some government programs, such as the Superfund program in the United States, can force polluters to clean up the sites they polluted. International agreements can also reduce pollution. The Kyoto Protocol , a United Nations agreement to limit the emission of greenhouse gases, has been signed by 191 countries. The United States, the world’s second-largest producer of greenhouse gases, did not sign the agreement. Other countries, such as China, the world’s largest producer of greenhouse gases, have not met their goals. Still, many gains have been made. In 1969, the Cuyahoga River, in the U.S. state of Ohio, was so clogged with oil and trash that it caught on fire. The fire helped spur the Clean Water Act of 1972. This law limited what pollutants could be released into water and set standards for how clean water should be. Today, the Cuyahoga River is much cleaner. Fish have returned to regions of the river where they once could not survive. But even as some rivers are becoming cleaner, others are becoming more polluted. As countries around the world become wealthier, some forms of pollution increase. Countries with growing economies usually need more power plants, which produce more pollutants. Reducing pollution requires environmental, political, and economic leadership. Developed nations must work to reduce and recycle their materials, while developing nations must work to strengthen their economies without destroying the environment. Developed and developing countries must work together toward the common goal of protecting the environment for future use.

How Long Does It Last? Different materials decompose at different rates. How long does it take for these common types of trash to break down?

• Paper: 2-4 weeks
• Orange peel: 6 months
• Milk carton: 5 years
• Plastic bag: 15 years
• Tin can: 100 years
• Plastic bottle: 450 years
• Glass bottle: 500 years
• Styrofoam: Never

Indoor Air Pollution The air inside your house can be polluted. Air and carpet cleaners, insect sprays, and cigarettes are all sources of indoor air pollution.

Light Pollution Light pollution is the excess amount of light in the night sky. Light pollution, also called photopollution, is almost always found in urban areas. Light pollution can disrupt ecosystems by confusing the distinction between night and day. Nocturnal animals, those that are active at night, may venture out during the day, while diurnal animals, which are active during daylight hours, may remain active well into the night. Feeding and sleep patterns may be confused. Light pollution also indicates an excess use of energy. The dark-sky movement is a campaign by people to reduce light pollution. This would reduce energy use, allow ecosystems to function more normally, and allow scientists and stargazers to observe the atmosphere.

Noise Pollution Noise pollution is the constant presence of loud, disruptive noises in an area. Usually, noise pollution is caused by construction or nearby transportation facilities, such as airports. Noise pollution is unpleasant, and can be dangerous. Some songbirds, such as robins, are unable to communicate or find food in the presence of heavy noise pollution. The sound waves produced by some noise pollutants can disrupt the sonar used by marine animals to communicate or locate food.

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Air Pollution: Current and Future Challenges

Despite dramatic progress cleaning the air since 1970, air pollution in the United States continues to harm people’s health and the environment. Under the Clean Air Act, EPA continues to work with state, local and tribal governments, other federal agencies, and stakeholders to reduce air pollution and the damage that it causes.

• Learn about more about air pollution, air pollution programs, and what you can do.

Outdoor air pollution challenges facing the United States today include:

• Meeting health-based standards for common air pollutants
• Limiting climate change
• Reducing risks from toxic air pollutants
• Protecting the stratospheric ozone layer against degradation

Indoor air pollution, which arises from a variety of causes, also can cause health problems. For more information on indoor air pollution, which is not regulated under the Clean Air Act, see EPA’s indoor air web site .

Air Pollution Challenges: Common Pollutants

Great progress has been made in achieving national air quality standards, which EPA originally established in 1971 and updates periodically based on the latest science. One sign of this progress is that visible air pollution is less frequent and widespread than it was in the 1970s.

However, air pollution can be harmful even when it is not visible. Newer scientific studies have shown that some pollutants can harm public health and welfare even at very low levels. EPA in recent years revised standards for five of the six common pollutants subject to national air quality standards. EPA made the standards more protective because new, peer-reviewed scientific studies showed that existing standards were not adequate to protect public health and the environment.

Status of common pollutant problems in brief

Today, pollution levels in many areas of the United States exceed national air quality standards for at least one of the six common pollutants:

• Although levels of particle pollution and ground-level ozone pollution are substantially lower than in the past, levels are unhealthy in numerous areas of the country. Both pollutants are the result of emissions from diverse sources, and travel long distances and across state lines. An extensive body of scientific evidence shows that long- and short-term exposures to fine particle pollution, also known as fine particulate matter (PM 2.5 ), can cause premature death and harmful effects on the cardiovascular system, including increased hospital admissions and emergency department visits for heart attacks and strokes. Scientific evidence also links PM to harmful respiratory effects, including asthma attacks. Ozone can increase the frequency of asthma attacks, cause shortness of breath, aggravate lung diseases, and cause permanent damage to lungs through long-term exposure. Elevated ozone levels are linked to increases in hospitalizations, emergency room visits and premature death. Both pollutants cause environmental damage, and fine particles impair visibility. Fine particles can be emitted directly or formed from gaseous emissions including sulfur dioxide or nitrogen oxides. Ozone, a colorless gas, is created when emissions of nitrogen oxides and volatile organic compounds react.  
• For unhealthy peak levels of sulfur dioxide and nitrogen dioxide , EPA is working with states and others on ways to determine where and how often unhealthy peaks occur. Both pollutants cause multiple adverse respiratory effects including increased asthma symptoms, and are associated with increased emergency department visits and hospital admissions for respiratory illness. Both pollutants cause environmental damage, and are byproducts of fossil fuel combustion.  
• Airborne lead pollution, a nationwide health concern before EPA phased out lead in motor vehicle gasoline under Clean Air Act authority, now meets national air quality standards except in areas near certain large lead-emitting industrial facilities. Lead is associated with neurological effects in children, such as behavioral problems, learning deficits and lowered IQ, and high blood pressure and heart disease in adults.  
• The entire nation meets the carbon monoxide air quality standards, largely because of emissions standards for new motor vehicles under the Clean Air Act.

In Brief: How EPA is working with states and tribes to limit common air pollutants

• EPA's air research provides the critical science to develop and implement outdoor air regulations under the Clean Air Act and puts new tools and information in the hands of air quality managers and regulators to protect the air we breathe.  
• To reflect new scientific studies, EPA revised the national air quality standards for fine particles (2006, 2012), ground-level ozone (2008, 2015), sulfur dioxide (2010), nitrogen dioxide (2010), and lead (2008). After the scientific review, EPA decided to retain the existing standards for carbon monoxide.  EPA strengthened the air quality standards for ground-level ozone in October 2015 based on extensive scientific evidence about ozone’s effects.

EPA has designated areas meeting and not meeting the air quality standards for the 2006 and 2012 PM standards and the 2008 ozone standard, and has completed an initial round of area designations for the 2010 sulfur dioxide standard. The agency also issues rules or guidance for state implementation of the various ambient air quality standards – for example, in March 2015, proposing requirements for implementation of current and future fine particle standards. EPA is working with states to improve data to support implementation of the 2010 sulfur dioxide and nitrogen dioxide standards.

For areas not meeting the national air quality standards, states are required to adopt state implementation plan revisions containing measures needed to meet the standards as expeditiously as practicable and within time periods specified in the Clean Air Act (except that plans are not required for areas with “marginal” ozone levels).

• EPA is helping states to meet standards for common pollutants by issuing federal emissions standards for new motor vehicles and non-road engines, national emissions standards for categories of new industrial equipment (e.g., power plants, industrial boilers, cement manufacturing, secondary lead smelting), and technical and policy guidance for state implementation plans. EPA and state rules already on the books are projected to help 99 percent of counties with monitors meet the revised fine particle standards by 2020. The Mercury and Air Toxics Standards for new and existing power plants issued in December 2011 are achieving reductions in fine particles and sulfur dioxide as a byproduct of controls required to cut toxic emissions.  
• Vehicles and their fuels continue to be an important contributor to air pollution. EPA in 2014 issued standards commonly known as Tier 3, which consider the vehicle and its fuel as an integrated system, setting new vehicle emissions standards and a new gasoline sulfur standard beginning in 2017. The vehicle emissions standards will reduce both tailpipe and evaporative emissions from passenger cars, light-duty trucks, medium-duty passenger vehicles, and some heavy-duty vehicles. The gasoline sulfur standard will enable more stringent vehicle emissions standards and will make emissions control systems more effective. These rules further cut the sulfur content of gasoline. Cleaner fuel makes possible the use of new vehicle emission control technologies and cuts harmful emissions in existing vehicles. The standards will reduce atmospheric levels of ozone, fine particles, nitrogen dioxide, and toxic pollution.

Learn more about common pollutants, health effects, standards and implementation:

• fine particles
• ground-level ozone
• sulfur dioxide
• nitrogen dioxide
• carbon monoxide

Air Pollution Challenges: Climate Change

EPA determined in 2009 that emissions of carbon dioxide and other long-lived greenhouse gases that build up in the atmosphere endanger the health and welfare of current and future generations by causing climate change and ocean acidification. Long-lived greenhouse gases , which trap heat in the atmosphere, include carbon dioxide, methane, nitrous oxide, and fluorinated gases. These gases are produced by a numerous and diverse human activities.

In May 2010, the National Research Council, the operating arm of the National Academy of Sciences, published an assessment which concluded that “climate change is occurring, is caused largely by human activities, and poses significant risks for - and in many cases is already affecting - a broad range of human and natural systems.” 1 The NRC stated that this conclusion is based on findings that are consistent with several other major assessments of the state of scientific knowledge on climate change. 2

Climate change impacts on public health and welfare

The risks to public health and the environment from climate change are substantial and far-reaching. Scientists warn that carbon pollution and resulting climate change are expected to lead to more intense hurricanes and storms, heavier and more frequent flooding, increased drought, and more severe wildfires - events that can cause deaths, injuries, and billions of dollars of damage to property and the nation’s infrastructure.

Carbon dioxide and other greenhouse gas pollution leads to more frequent and intense heat waves that increase mortality, especially among the poor and elderly. 3 Other climate change public health concerns raised in the scientific literature include anticipated increases in ground-level ozone pollution 4 , the potential for enhanced spread of some waterborne and pest-related diseases 5 , and evidence for increased production or dispersion of airborne allergens. 6

Other effects of greenhouse gas pollution noted in the scientific literature include ocean acidification, sea level rise and increased storm surge, harm to agriculture and forests, species extinctions and ecosystem damage. 7 Climate change impacts in certain regions of the world (potentially leading, for example, to food scarcity, conflicts or mass migration) may exacerbate problems that raise humanitarian, trade and national security issues for the United States. 8

The U.S. government's May 2014 National Climate Assessment concluded that climate change impacts are already manifesting themselves and imposing losses and costs. 9 The report documents increases in extreme weather and climate events in recent decades, with resulting damage and disruption to human well-being, infrastructure, ecosystems, and agriculture, and projects continued increases in impacts across a wide range of communities, sectors, and ecosystems.

Those most vulnerable to climate related health effects - such as children, the elderly, the poor, and future generations - face disproportionate risks. 10 Recent studies also find that certain communities, including low-income communities and some communities of color (more specifically, populations defined jointly by ethnic/racial characteristics and geographic location), are disproportionately affected by certain climate-change-related impacts - including heat waves, degraded air quality, and extreme weather events - which are associated with increased deaths, illnesses, and economic challenges. Studies also find that climate change poses particular threats to the health, well-being, and ways of life of indigenous peoples in the U.S.

The National Research Council (NRC) and other scientific bodies have emphasized that it is important to take initial steps to reduce greenhouse gases without delay because, once emitted, greenhouse gases persist in the atmosphere for long time periods. As the NRC explained in a recent report, “The sooner that serious efforts to reduce greenhouse gas emissions proceed, the lower the risks posed by climate change, and the less pressure there will be to make larger, more rapid, and potentially more expensive reductions later.” 11

In brief: What EPA is doing about climate change

Under the Clean Air Act, EPA is taking initial common sense steps to limit greenhouse gas pollution from large sources:

EPA and the National Highway and Traffic Safety Administration between 2010 and 2012 issued the first national greenhouse gas emission standards and fuel economy standards for cars and light trucks for model years 2012-2025, and for medium- and heavy-duty trucks for 2014-2018.  Proposed truck standards for 2018 and beyond were announced in June 2015.  EPA is also responsible for developing and implementing regulations to ensure that transportation fuel sold in the United States contains a minimum volume of renewable fuel. Learn more about clean vehicles

EPA and states in 2011 began requiring preconstruction permits that limit greenhouse gas emissions from large new stationary sources - such as power plants, refineries, cement plants, and steel mills - when they are built or undergo major modification. Learn more about GHG permitting

• On August 3, 2015, President Obama and EPA announced the Clean Power Plan – a historic and important step in reducing carbon pollution from power plants that takes real action on climate change. Shaped by years of unprecedented outreach and public engagement, the final Clean Power Plan is fair, flexible and designed to strengthen the fast-growing trend toward cleaner and lower-polluting American energy. With strong but achievable standards for power plants, and customized goals for states to cut the carbon pollution that is driving climate change, the Clean Power Plan provides national consistency, accountability and a level playing field while reflecting each state’s energy mix. It also shows the world that the United States is committed to leading global efforts to address climate change. Learn more about the Clean Power Plan, the Carbon Pollution Standards, the Federal Plan, and model rule for states

The Clean Power Plan will reduce carbon pollution from existing power plants, the nation’s largest source, while maintaining energy reliability and affordability.  The Clean Air Act creates a partnership between EPA, states, tribes and U.S. territories – with EPA setting a goal, and states and tribes choosing how they will meet it.  This partnership is laid out in the Clean Power Plan.

Also on August 3, 2015, EPA issued final Carbon Pollution Standards for new, modified, and constructed power plants, and proposed a Federal Plan and model rules to assist states in implementing the Clean Power Plan.

On February 9, 2016, the Supreme Court stayed implementation of the Clean Power Plan pending judicial review. The Court’s decision was not on the merits of the rule. EPA firmly believes the Clean Power Plan will be upheld when the merits are considered because the rule rests on strong scientific and legal foundations.

On October 16, 2017, EPA  proposed to repeal the CPP and rescind the accompanying legal memorandum.

EPA is implementing its Strategy to Reduce Methane Emissions released in March 2014. In January 2015 EPA announced a new goal to cut methane emissions from the oil and gas sector by 40 – 45 percent from 2012 levels by 2025, and a set of actions by EPA and other agencies to put the U.S. on a path to achieve this ambitious goal. In August 2015, EPA proposed new common-sense measures to cut methane emissions, reduce smog-forming air pollution and provide certainty for industry through proposed rules for the oil and gas industry . The agency also proposed to further reduce emissions of methane-rich gas from municipal solid waste landfills . In March 2016 EPA launched the National Gas STAR Methane Challenge Program under which oil and gas companies can make, track and showcase ambitious commitments to reduce methane emissions.

EPA in July 2015 finalized a rule to prohibit certain uses of hydrofluorocarbons -- a class of potent greenhouse gases used in air conditioning, refrigeration and other equipment -- in favor of safer alternatives. The U.S. also has proposed amendments to the Montreal Protocol to achieve reductions in HFCs internationally.

Learn more about climate science, control efforts, and adaptation on EPA’s climate change web site

Air Pollution Challenges: Toxic Pollutants

While overall emissions of air toxics have declined significantly since 1990, substantial quantities of toxic pollutants continue to be released into the air. Elevated risks can occur in urban areas, near industrial facilities, and in areas with high transportation emissions.

Numerous toxic pollutants from diverse sources

Hazardous air pollutants, also called air toxics, include 187 pollutants listed in the Clean Air Act. EPA can add pollutants that are known or suspected to cause cancer or other serious health effects, such as reproductive effects or birth defects, or to cause adverse environmental effects.

Examples of air toxics include benzene, which is found in gasoline; perchloroethylene, which is emitted from some dry cleaning facilities; and methylene chloride, which is used as a solvent and paint stripper by a number of industries. Other examples of air toxics include dioxin, asbestos, and metals such as cadmium, mercury, chromium, and lead compounds.

Most air toxics originate from manmade sources, including mobile sources such as motor vehicles, industrial facilities and small “area” sources. Numerous categories of stationary sources emit air toxics, including power plants, chemical manufacturing, aerospace manufacturing and steel mills. Some air toxics are released in large amounts from natural sources such as forest fires.

Health risks from air toxics

EPA’s most recent national assessment of inhalation risks from air toxics 12 estimated that the whole nation experiences lifetime cancer risks above ten in a million, and that almost 14 million people in more than 60 urban locations have lifetime cancer risks greater than 100 in a million. Since that 2005 assessment, EPA standards have required significant further reductions in toxic emissions.

Elevated risks are often found in the largest urban areas where there are multiple emission sources, communities near industrial facilities, and/or areas near large roadways or transportation facilities. Benzene and formaldehyde are two of the biggest cancer risk drivers, and acrolein tends to dominate non-cancer risks.

In brief: How EPA is working with states and communities to reduce toxic air pollution

EPA standards based on technology performance have been successful in achieving large reductions in national emissions of air toxics. As directed by Congress, EPA has completed emissions standards for all 174 major source categories, and 68 categories of small area sources representing 90 percent of emissions of 30 priority pollutants for urban areas. In addition, EPA has reduced the benzene content in gasoline, and has established stringent emission standards for on-road and nonroad diesel and gasoline engine emissions that significantly reduce emissions of mobile source air toxics. As required by the Act, EPA has completed residual risk assessments and technology reviews covering numerous regulated source categories to assess whether more protective air toxics standards are warranted. EPA has updated standards as appropriate. Additional residual risk assessments and technology reviews are currently underway.

EPA also encourages and supports area-wide air toxics strategies of state, tribal and local agencies through national, regional and community-based initiatives. Among these initiatives are the National Clean Diesel Campaign , which through partnerships and grants reduces diesel emissions for existing engines that EPA does not regulate; Clean School Bus USA , a national partnership to minimize pollution from school buses; the SmartWay Transport Partnership to promote efficient goods movement; wood smoke reduction initiatives; a collision repair campaign involving autobody shops; community-scale air toxics ambient monitoring grants ; and other programs including Community Action for a Renewed Environment (CARE). The CARE program helps communities develop broad-based local partnerships (that include business and local government) and conduct community-driven problem solving as they build capacity to understand and take effective actions on addressing environmental problems.

Learn more about air toxics, stationary sources of emissions, and control efforts Learn more about mobile source air toxics and control efforts

Air Pollution Challenges: Protecting the Stratospheric Ozone Layer

The  ozone (O 3 ) layer  in the stratosphere protects life on earth by filtering out harmful ultraviolet radiation (UV) from the sun. When chlorofluorocarbons (CFCs) and other ozone-degrading chemicals  are emitted, they mix with the atmosphere and eventually rise to the stratosphere. There, the chlorine and the bromine they contain initiate chemical reactions that destroy ozone. This destruction has occurred at a more rapid rate than ozone can be created through natural processes, depleting the ozone layer.

The toll on public health and the environment

Higher levels of  ultraviolet radiation  reaching Earth's surface lead to health and environmental effects such as a greater incidence of skin cancer, cataracts, and impaired immune systems. Higher levels of ultraviolet radiation also reduce crop yields, diminish the productivity of the oceans, and possibly contribute to the decline of amphibious populations that is occurring around the world.

In brief: What’s being done to protect the ozone layer

Countries around the world are phasing out the production of chemicals that destroy ozone in the Earth's upper atmosphere under an international treaty known as the Montreal Protocol . Using a flexible and innovative regulatory approach, the United States already has phased out production of those substances having the greatest potential to deplete the ozone layer under Clean Air Act provisions enacted to implement the Montreal Protocol. These chemicals include CFCs, halons, methyl chloroform and carbon tetrachloride. The United States and other countries are currently phasing out production of hydrochlorofluorocarbons (HCFCs), chemicals being used globally in refrigeration and air-conditioning equipment and in making foams. Phasing out CFCs and HCFCs is also beneficial in protecting the earth's climate, as these substances are also very damaging greenhouse gases.

Also under the Clean Air Act, EPA implements regulatory programs to:

Ensure that refrigerants and halon fire extinguishing agents are recycled properly.

Ensure that alternatives to ozone-depleting substances (ODS) are evaluated for their impacts on human health and the environment.

Ban the release of ozone-depleting refrigerants during the service, maintenance, and disposal of air conditioners and other refrigeration equipment.

Require that manufacturers label products either containing or made with the most harmful ODS.

These vital measures are helping to protect human health and the global environment.

The work of protecting the ozone layer is not finished. EPA plans to complete the phase-out of ozone-depleting substances that continue to be produced, and continue efforts to minimize releases of chemicals in use. Since ozone-depleting substances persist in the air for long periods of time, the past use of these substances continues to affect the ozone layer today. In our work to expedite the recovery of the ozone layer, EPA plans to augment CAA implementation by:

Continuing to provide forecasts of the expected risk of overexposure to UV radiation from the sun through the UV Index, and to educate the public on how to protect themselves from over exposure to UV radiation.

Continuing to foster domestic and international partnerships to protect the ozone layer.

Encouraging the development of products, technologies, and initiatives that reap co-benefits in climate change and energy efficiency.

Learn more About EPA’s Ozone Layer Protection Programs

Some of the following links exit the site

1 National Research Council (2010), Advancing the Science of Climate Change , National Academy Press, Washington, D.C., p. 3.

2 National Research Council (2010), Advancing the Science of Climate Change , National Academy Press, Washington, D.C., p. 286.

3 USGCRP (2009).  Global Climate Change Impacts in the United States . Karl, T.R., J.M. Melillo, and T.C. Peterson (eds.). United States Global Change Research Program. Cambridge University Press, New York, NY, USA.

4 CCSP (2008).  Analyses of the effects of global change on human health and welfare and human systems . A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research. Gamble, J.L. (ed.), K.L. Ebi, F.G. Sussman, T.J. Wilbanks, (Authors). U.S. Environmental Protection Agency, Washington, DC, USA.

5 Confalonieri, U., B. Menne, R. Akhtar, K.L. Ebi, M. Hauengue, R.S. Kovats, B. Revich and A. Woodward (2007). Human health. In:  Climate Change 2007: Impacts, Adaptation and Vulnerability  .  Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change  Parry, M.L., O.F. Canziani, J.P. Palutikof, P.J. van der Linden and C.E. Hanson, (eds.), Cambridge University Press, Cambridge, United Kingdom.

7 An explanation of observed and projected climate change and its associated impacts on health, society, and the environment is included in the EPA’s Endangerment Finding and associated technical support document (TSD). See EPA, “ Endangerment and Cause or Contribute Findings for Greenhouse Gases under Section 202(a) of the Clean Air Act ,” 74 FR 66496, Dec. 15, 2009. Both the Federal Register Notice and the Technical Support Document (TSD) for Endangerment and Cause or Contribute Findings are found in the public docket, Docket No. EPA-OAR-2009-0171.

8 EPA, Endangerment Finding , 74 FR 66535.

9 . U.S. Global Change Research Program, Climate Change Impacts in the United States: The Third National Climate Assessment , May 2014.

10 EPA, Endangerment Finding , 74 FR 66498.

11 National Research Council (2011) America’s Climate Choices: Report in Brief , Committee on America’s Climate Choices, Board on Atmospheric Sciences and Climate, Division on Earth and Life Studies, The National Academies Press, Washington, D.C., p. 2.

12 EPA, 2005 National-Scale Air Toxics Assessment (2011).

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Environmental Survey Questions + Sample Questionnaire Template

The environmental survey helps collect feedback about one's perception of environmental pollution. This survey was created by environmentalists to make the earth a habitable place for generations to come. With the help of this environmental survey template, researchers can capture the general population's perceptions about environmental pollution and the methods to mitigate "global warming". It can also collect data about the in-depth causes of environmental pollution, the steps that can reduce it, and the stakeholders that people feel are the most important in tackling environmental pollution problems.

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Top 3 reasons to use this environmental survey template

1. Evaluate people's perception of environmental degradation: This survey questionnaire can help researchers understand people's opinions about environmental pollution and its effect on global warming.

2. Data is collected to evaluate the common factors causing environmental degradation: It helps collect the data to understand the general population's opinion about common factors contributing to environmental contamination and its impact on future generations. It also evaluates which medium, like air, soil, sound, or water, affects the environment most.

3. Evaluate the purchase behavior of people: This survey template helps the researcher to collect data on people’s purchasing behavior and their preferences towards expensive and environment-friendly products.

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Client evaluation of company services survey questions, supplier service evaluation survey template, business to business demographics survey template.

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New 'forever chemical' cleanup strategy discovered

Method deals with pollution from fire suppressant foams.

As the U.S. Environmental Protection Agency cracks down on insidious "forever chemical" pollution in the environment, military and commercial aviation officials are seeking ways to clean up such pollution from decades of use of fire suppressant foams at military air bases and commercial airports.

Fire-suppression foams contain hundreds unhealthful forever chemicals, known by chemists as PFAS or poly- and per-fluoroalkyl substances. These compounds have stubbornly strong fluorine-to-carbon bonds, which allow them to persist indefinitely in the environment, hence the moniker "forever chemicals." Also found many other products, PFAS compounds now contaminate groundwater supplies tapped by municipal water suppliers at many locations throughout the nation.

Because they are linked to higher risks for certain cancers and other maladies, the EPA imposed a new rule last month requiring water utilities to reduce contamination if levels exceeded 4 parts per trillion for certain PFAS compounds.

Fortunately, a collaborative discovery by scientists at UC Riverside and Clarkson University in Potsdam, N.Y., provides a new strategy to clean up these pollutants.

The method was detailed this month in the journal Nature Water . It involves treating heavily contaminated water with ultra-violet (UV) light, sulfite, and a process called electrochemical oxidation, explained UCR associate professor Jinyong Liu.

"In this work, we continued our research on the UV-based treatment, but this time, we had a collaboration with an electrochemical oxidation expert at Clarkson University," said Liu, who has published nearly 20 papers on treating PFAS pollutants in contaminated water.. "We put these two steps together and we achieved near-complete destruction of PFAS in various water samples contaminated by the foams."

Liu said the collaboration with a team led by assistant professor Yang Yang at Clarkson solved major technical problems. For instance, the foams contain various other concentrated organic compounds that hinder the breakup of the strong fluorine-to-carbon bonds in the PFAS compounds.

Liu and Yang, however, found that electrochemical oxidation also breaks up these organics. Their process also allows these reactions to occur at room temperature without a need for additional heat or high pressure to stimulate the reaction.

"In the real world, the contaminated water can be very complicated," Liu said. "It contains a lot of things that might potentially slow down the reaction."

PFAS compounds have been used in thousands of products ranging from potato chip bags to non-stick cookware, but fire-suppressing foams are a major source of PFAS pollution in groundwater because have been used for for decades to extinguish aviation fuel fires at hundreds of military sites and commercial airports. These foams were also routinely applied to minor fuel spills as a precautionary measure to prevent fires.

Invented by the U.S. Navy in the 1960s, the foams form an aqueous film around burning gasoline and other flammable liquids, which quickly deprives the fire of oxygen and extinguishes it. Because of widespread use, the Department of Defense ordered assessments of 715 military sites nationally for PFAS releases and, by the end of last year, found that 574 of these sites need further investigations or cleanups as required by federal law.

PFAS cleanups became more urgent last month when the EPA imposed a new rule requiring water utilities to reduce contamination if levels exceeded 4 parts per trillion for certain PFAS compounds.

Liu said the method he developed with Yang is well suited for cleansing heavily contaminated water used to flush out tanks, hoses, and other firefighting equipment. The method also can be used to treat leftover containers of PFAS-containing foams.

Their method can also help water utilities deal with groundwater pollution. Contaminated groundwater is often treated through ion exchange technologies in which the PFAS molecules glob onto resin beads in large treatment tanks. The UV light and electrochemical oxidation method developed by Liu and Yang also can assist the regeneration of beads so they can be recycled, Liu said.

"We want to have sustainable management of the resin," Liu said. "We want to reuse it."

The study's title is "Near-complete destruction of PFAS in aqueous film-forming foam by integrated photo-electrochemical processes." In addition to Liu and Yang, its authors are Yunqiao Guan, Zekun Liu, Nanyang Yang, Shasha Yang, and Luz Estefanny Quispe-Cardenas, who are current or former graduate students at UCR and Clarkson.

This research was supported by funding from the U.S. Department of Defense's Strategic Environmental Research and Development Program.

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Story Source:

Materials provided by University of California - Riverside . Original written by David Danelski. Note: Content may be edited for style and length.

Journal Reference :

• Yunqiao Guan, Zekun Liu, Nanyang Yang, Shasha Yang, Luz Estefanny Quispe-Cardenas, Jinyong Liu, Yang Yang. Near-complete destruction of PFAS in aqueous film-forming foam by integrated photo-electrochemical processes . Nature Water , 2024; DOI: 10.1038/s44221-024-00232-7

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30 Discussion Questions about Pollution

People are starting to think more about the environment and asking themselves questions about the causes, effects, and ways to prevent pollution

If you want to make a difference, everything starts with a small conversation.

Let’s raise awareness about the problems that pollution is causing with the help of the questions about the different types of pollution.

Table of Contents

Environmental Pollution Questions

Water pollution discussion questions, air pollution conversation questions, noise pollution conversation questions, related information.

These are some environmental pollution questions

• What are the basic causes of Environmental Problems?
• What household items  should be recycled?
• What can you do help prevent pollution?
• Why should we recycle?
• What can we do to protect forests?
• What’s the most polluted country of the world?
• What do you think about using of the chemical fertilizers and pesticides?
• What’s one of the worst environmental disaster in history?
• What is acid rain?
• What’s a hybrid car? How does it help the environment?
• What’s the greenhouse effect?

Water pollution  is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers, and groundwater), very often by human activities

These are some of the most common words related to the water pollution vocabulary.

These are some of the most common water pollution questions

• How can we control water pollution?
• What are some solution to toxic dumping in our oceans?
• What’s water pollution?
• What are some types of water pollution?
• How do we detect water pollution?
• What is acid rain and how does it develop?
• How does urbanization contribute to water pollution?
• How does industrialization contribute to water pollution?
• How does deforestation contribute to water pollution?
• What can you do to prevent water pollution?
• What are some water pollution sources?
• What are the effects of water pollution on humans?
• What are the effects of water pollution on animals?
• What are some of the effects of plastic consumption in the environment?
• What are some ways we can help people get clean drinking water?
• How can water pollution be controlled?
• Rivers in your country. How polluted are they? Would you swim in them?

Air pollution occurs when gases, dust particles, fumes, or odors are introduced into the atmosphere in a way that makes it harmful to humans, animals, and plants.

Thee are some common questions about air pollution

• What’s air pollution?
• What are the main sources of air pollution?
• What’s the main cause of air pollution?
• What should we do to reduce air pollution?
• Carpooling is a way to reduce air pollution, what stops from carpooling to work?
• What measures have been taken by your government to reduce air pollution?
• What are the main effects of air pollution?
• What cities in the world are affected by air pollution?
• What’s smog?
• How can we control air pollution?
• How might air pollution affect me?
• Should I walk or cycle instead of taking the car?

These are some examples of noise pollution questions

• What’s noise pollution?
• What causes noise pollution?
• Is noise pollution a problem in human society?
• Can noise pollution cause physical or mental illness in humans, animals, and plants?
• What are ways people can avoid noise pollution?
• What are common noise sources?
• How can noise pollution be prevented or reduced?
• Does noise pollution have adverse effects on human health and well-being?
• What should governments do to deal with noise pollution?
• What noise levels should be allowed in industrial and residential areas?

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Progress Report on Field Testing of Collecting Plastic Containers for Personal and Home Care Products Using a Local Government Collection Route

Aiming to Reduce Costs and Secure Sufficient Material to Recycle

From April 2023 to March 2024, Kao Corporation worked with general recycling business Nakadai Co. Ltd. to conduct field testing for recycling plastic packaging used for personal and home care products in the Japanese city of Satsumasendai, Kagoshima Prefecture. The one-year program, targeting approximately 1,300 households in the city, collected the packaging using the city’s existing recycling route. Recycling of PET plastic beverage bottles via local government routes for recyclables is already well established, but this field-testing scheme for personal and home care product plastic containers is the first of its kind * . Several similar programs now in effect aim to find answers to the issues experienced in field testing of obtaining sufficient quantities of materials to recycle and reducing the cost of collection to set up a sustainable collection system. Field testing in Satsumasendai is being conducted as part of the Circular Park Kyushu project for a sustainable future and has been incorporated into the city’s SDGs Innovation Trial Support Project. Results of field testing and prospects for the future are described below.

• * According to Kao data as of April 2023.
• News Release from April 2023 Field Testing of a New Collection Scheme in Japan Using Local Government Collection Route to Achieve Horizontal Recycling of Plastic Containers for Personal and Home Care Products

Used plastic containers left in a collection box (left) are stored at a city-owned collection point (right), from where Nakadai collects them once a week for quantity and quality analysis

Description of the Field Testing

Satsumasendai City currently collects recyclables (washed and dried plastic containers for personal and home care products, food packaging and colored food trays) once or twice a month. To facilitate participation, all plastic packaging for personal and home care products, with the exception of tubes, is collected and can be left at local collection points where consumers already drop off other recyclables.

Items Evaluated and Results Obtained

• Ensuring a stable, sufficient supply of containers as a source of materials A total of 715kg of plastic containers was collected from 1,300 households.
• Ensuring quality of recyclables for re-use Only 3% of the total packaging collected was deemed ineligible, and around 90% was high-quality material that had been washed and dried. It is expected that 98% of the material collected will be of acceptable quality suitable for recycling.
• Reducing collection costs to make the scheme sustainable This field-testing scheme has been incorporated into Satsumasendai City’s SDGs Innovation Trial Support Project, which is providing support in the form of coordination with personnel and making available more collection points. Collection costs are shouldered by Kao and Nakadai.

Participants’ Comments

To identify issues with the collection scheme during the field-testing period and gain insights into what could increase motivation to take part, participants were asked to reply to a questionnaire. While respondents agreed that the scheme was valuable in terms of reducing the burden on the environment and making good use of resources, many of them found the requirement to sort, wash, dry and take used packaging to a collection point burdensome. In particular, since the packaging was only collected once every two weeks, respondents brought up the issue of needing to store the containers at home until collection time or felt that it was more convenient to be able to drop them off at supermarkets, etc. any time, pointing to the need for improvement in this area.

Looking to the Future

With these field-testing results in mind, Kao and Circular Park Kyushu, working together with Satsumasendai City, will implement a new scheme for one year, from April 2024 to March 2025, reflecting the insights gained from the questionnaire. Under the new scheme, the plan is to use supermarkets in Satsumasendai as collection points for used packaging. Analysis work and other tasks, conducted so far by Nakadai, will be taken over by Circular Park Kyushu in conjunction with the start of operations by Circular Park Kyushu Co., Ltd. in Satsumasendai. Collection frequency, previously twice a month, will be greatly expanded, which is expected to increase the volume of used containers collected. Collection costs within the scheme as a whole will continue to be studied by the parties involved. In April 2019, the Kao Group established the Kirei Lifestyle Plan, an ESG strategy. Since 2021, the Kao Group has been promoting the Kao Group Mid-term Plan with its vision of “protecting future lives” and “sustainability as the only path.” This field testing for collecting plastic containers addresses one of the Kirei Lifestyle Plan’s leadership actions of achieving “zero waste.” Through this field testing, Kao will continue to examine recycling schemes to expand self-directed participation by stakeholders in each step of the recycling process, from sorting and collection to transport and recycling. The company aims to gain the understanding and support of consumers in particular as active participants in resource circularity, from product selection and use to sorting, collection and recycling of packaging. The Kao Group will continue to integrate its ESG strategy into its management practices, develop its business, provide better products and services for consumers and society, and work toward its purpose, “to realize a Kirei world in which all life lives in harmony.”

• * This news release is a translation of a Japanese-language news release dated April 11, 2024.

About the Kirei Lifestyle Plan

Over the past 130 years, Kao has worked to improve people’s lives and help them realize more sustainable lifestyles—a Kirei Lifestyle. The Japanese word ‘kirei’ describes something that is clean, well-ordered and beautiful, all at the same time. The Kao Group established its ESG strategy, the Kirei Lifestyle Plan in April 2019, which is designed to deliver the vision of a gentler and more sustainable way of living. By 2030, Kao aims to empower at least 1 billion people, to enjoy more beautiful lives and have 100% of its products leave a full lifecycle environmental footprint that science says our natural world can safely absorb. Please visit the Kao sustainability website for more information.

Kao creates high-value-added products and services that provide care and enrichment for the life of all people and the planet. Through its portfolio of over 20 leading brands such as Attack , Bioré , Goldwell , Jergens , John Frieda , Kanebo , Laurier , Merries, and Molton Brown , Kao is part of the everyday lives of people in Asia, Oceania, North America, and Europe. Combined with its chemical business, which contributes to a wide range of industries, Kao generates about 1,530 billion yen in annual sales. Kao employs about 34,300 people worldwide and has 137 years of history in innovation. Please visit the Kao Group website for updated information.

Media inquiries should be directed to:

Public Relations Kao Corporation

• [email protected]

Related Information

Announcing a Roadmap for Reaching Plastic Packaging Net Zero Waste by 2040 and Negative Waste by 2050

Kao launches new ESG Strategy “Kirei Lifestyle Plan” to support consumer lifestyle changes

Kao’s New Challenges for the Future: Accelerating Purposeful Business Commitment with ESG

Kao sustainability website

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