Pollution
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Pollution
Pollution (pronunciation: /pəˈluːʃ(ə)n/) is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat, or light.
Etymology
The term "pollution" comes from the Latin polluere, which means "to soil, defile, or contaminate."
Types of Pollution
- Air pollution - The release of pollutants into the air that are detrimental to human health and the planet as a whole.
- Water pollution - The contamination of water bodies, usually as a result of human activities.
- Soil pollution - The presence of man-made chemicals or other alteration in the natural soil environment.
- Noise pollution - The propagation of noise with harmful impact on the activity of human or animal life.
- Light pollution - Excessive, misdirected, or obtrusive artificial light.
- Thermal pollution - The harmful release of heated liquid into a body of water or heat released into the air as a waste product of a business.
- Radioactive pollution - The presence of radioactive substances in the environment.
Related Terms
- Contaminant - A substance that is where it should not be and at higher than normal concentrations.
- Emission - The production and discharge of something, especially gas or radiation.
- Environment - The surroundings or conditions in which a person, animal, or plant lives or operates.
- Hazardous waste - Waste that has substantial or potential threats to public health or the environment.
- Sustainability - The ability to be maintained at a certain rate or level.
External links
- Medical encyclopedia article on Pollution
- Wikipedia's article - Pollution
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