William SUN

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Air Pollution: Everything You Need to Know

Jump to Section:<p>What Is Air Pollution?<p>Air pollution refers to the release of pollutants into the air that are detrimental to human health and the …

Pollution

Air Pollution

Pollutants in the air aren't always visible and come from many different sources.<p>Smog hanging over cities is the most familiar and obvious form of air pollution. But there are different kinds of pollution—some visible, some invisible—that contribute to global warming. Generally any substance that …

Main sources of carbon dioxide emissions

There are both natural and human sources of carbon dioxide emissions. Natural sources include decomposition, ocean release and respiration. Human …