American Lung Association report found that about 156 million people live in counties plagued by high levels of ozone and ...

The amount of carbon dioxide in the atmosphere last year grew at the fastest rate in recorded history — a dramatic spike that scientists fear may indicate that Earth’s ecosystems are so ...

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.

Experts find that up to 250,000 deaths linked to air pollution in Europe could be prevented by 2050 if emissions are ...