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- Dictionaryair pollution
noun
- 1. the presence in or introduction into the air of a substance which has harmful or poisonous effects: "diesel exhaust and other forms of air pollution"
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- Air pollution
Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. It is also the contamination of the indoor or outdoor environment either by chemical, physical, or biological agents that alters the natural features of the atmosphere. There... Wikipedia
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