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Pollutants
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- These harmful materials are called pollutants.
education.nationalgeographic.org/resource/pollution/
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Oct 17, 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.
Oct 17, 2018 · Pollution is the act of introducing harmful substances to the environment. Learn about the history, causes, and effects of pollution as well as ways of controlling it.
Pollution, also called environmental pollution, the addition of any substance (solid, liquid, or gas) or any form of energy (such as heat, sound, or radioactivity) to the environment at a rate faster than it can be dispersed, diluted, decomposed, recycled, or stored in some harmless form.
- Land pollution. Land can become polluted by household garbage and by industrial waste. In 2014, Americans produced about 258 million tons of solid waste, according to the U.S. Environmental Protection Agency.
- Water pollution. Water pollution happens when chemicals or dangerous foreign substances are introduced to water, including toxic chemicals, sewage, pesticides and fertilizers from agricultural runoff, or metals like lead or mercury.
- Air pollution. The air we breathe has a very exact chemical composition; 99% of it is made up of nitrogen, oxygen, water vapor and inert gases. Air pollution occurs when things that aren't normally there are added to the air.
- Noise pollution. Even though humans can't see or smell noise pollution, it still affects the environment. Noise pollution happens when the sound coming from planes, industry or other sources reaches harmful levels.
Feb 17, 2023 · Pollution is defined as introducing harmful substances (solid, liquid, or gas) or any form of energy (light, heat, sound, or radioactivity) into the environment. The harmful elements that damage air, water, and land quality and cause pollution are called pollutants.
Mar 6, 2024 · noun. movement of air (from a high pressure zone to a low pressure zone) caused by the uneven heating of the Earth by the sun. Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants.
Pollution is the introduction of contaminants into the natural environment that cause adverse change. [1] 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 ...
