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Pollution is the introduction of contaminants into the natural environment that cause harm. 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.

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Pollution is the release of harmful substances or energy—like chemicals, waste, radiation, or excessive heat and noise—into the environment where they don't belong. It matters because these contaminants can damage natural ecosystems and affect the health of living things, including humans.

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Instance of: human impact on the environment
Subclass of: externality
Image: Factory.gif

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topic has template: Template:Pollution sidebar
Commons category: Pollution
topic's main category: Category:Pollution
Commons gallery: Pollution
has cause: pollutant
described at URL: servicios.infoleg.gob.ar/infolegInternet/anexos/240000-244999/242082/norma.htm
has effect: respiratory disease
contributing factor of: biodiversity loss
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
different from: pollutant

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