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

    Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.

  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 · Vocabulary. 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.

  4. “Pollution is the introduction of substances (or energy) that cause adverse changes in the environment and living entities .” Pollution need not always be caused by chemical substances such as particulates (like smoke and dust). Forms of energy such as sound, heat or light can also cause pollution.

  5. Mar 17, 2023 · Pollution is the process of making land, water, air or other parts of the environment dirty and not safe or suitable to use. This can be done through the introduction of a contaminant into a...

  6. 6 days ago · 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.

  7. Oct 31, 2023 · Air pollution refers to the release of pollutants into the air—pollutants that are detrimental to human health and the planet as a whole. According to the World Health Organization (WHO), each...

  8. 6 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.

  9. Both ambient (outdoor) and household (indoor) air pollution are harmful for health. Industry, transportation, coal power plants and household solid fuel usage are major contributors to air pollution. Rising at an alarming rate, air pollution impacts economies and people’s quality of life.

  10. Air pollution is a familiar environmental health hazard. We know what we’re looking at when brown haze settles over a city, exhaust billows across a busy highway, or a plume rises from a smokestack. Some air pollution is not seen, but its pungent smell alerts you.

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