As China slashed sulfur dioxide emissions by roughly 75 percent, a new study finds Earth began warming much, much faster.

A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution on Friday. The maps showed data for multiple types of pollutant, including ...

Residents in lower-income areas, often near highways and industrial sites, still breathe some of the dirtiest air in the ...