The American Lung Association report finds that climate events are causing more people in the U.S. to breathe toxic air even ...

In the world's most polluted town, Byrnihat in northern India, air pollution is so severe it causes skin rashes and burns the ...

Cities in California make up a significant proportion of the country's most polluted metropolitan areas when it comes to air ...

Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

Cities around the world trying to limit driving have faced objections — namely that the measures would limit personal freedom ...

California is spending $500 million to put an additional 1,000 electric school buses on the road as federal cuts and freezes ...

Welcome to 5 Things PM! Measles misinformation is spreading in the US, a new poll found, and most people aren’t sure what ...

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.

A lawsuit alleges the Trump administration violated the free-speech rights of nonprofits and municipalities that have had federal funding for climate and environmental projects frozen or cancelled.

The “State of the Air” report’s conclusions also spotlight a startling increase: Nearly 25 million more people are breathing ...