Pollution is a public health concern, and is considered to be any harmful material introduced to the environment. Many materials can cause such harm and are referred to as pollutants. Pollutants are ...
Gases: These include nitrogen dioxide (NO₂) and ground-level ozone. “These are potent oxidisers,” says Dr Mahto. “When they ...
In this undated file photo, steam and pollution rise on a cold day at the Arapaho Station Coal Power Plant, a coal fired power plant along the Platte River in Littleton, just outside Denver, Colorado.
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