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  1. en.wikipedia.org › wiki › PollutionPollution - Wikipedia

    The United States Environmental Protection Administration defines pollution as "Any substances in water, soil, or air that degrade the natural quality of the environment, offend the senses of sight, taste, or smell, or cause a health hazard.

  2. May 21, 2024 · Pollution, addition of any substance or form of energy to the environment at a rate faster than it can be dispersed or stored in a harmless form. The major kinds of pollution are usually classified by environment and include air, water, and land pollution. Learn more about the history of pollution.

  3. Mar 6, 2024 · Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants . Pollutants can be natural, such as volcanic ash .

  4. 3 days ago · Air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. High concentrations can cause undesirable health, economic, or aesthetic effects.

  5. Mar 6, 2024 · Nearly 2.5 million people die worldwide each year from the effects of outdoor or indoor air pollution. People react differently to different types of air pollution. Young children and older adults, whose immune systems tend to be weaker, are often more sensitive to pollution.

  6. Feb 4, 2019 · Air pollution is a mix of particles and gases that can reach harmful concentrations both outside and indoors. Its effects can range from higher disease risks to rising temperatures.

  7. 5 days ago · Water pollution is the release of substances (such as chemicals or microorganisms) or energy (in the form of radioactivity or heat) into surface and subsurface waters to the point that the substances interfere with beneficial use of the water or with the natural functioning of ecosystems.

  8. Jun 25, 2024 · Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere. Household combustion devices, motor vehicles, industrial facilities and forest fires are common sources of air pollution.

  9. Apr 23, 2024 · Beat Pollution. Towards a pollution-free planet. As the world’s population approaches 8 billion and resource use intensifies, pollution is ever more extensive, pervasive, and persistent. It affects our health through the food we eat, the water we drink and the air we breathe.

  10. Air pollution – the combination of outdoor and indoor particulate matter and ozone – is a risk factor for many of the leading causes of death, including heart disease, stroke, lower respiratory infections, lung cancer, diabetes, and chronic obstructive pulmonary disease (COPD).

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