In the study, conducted by IQAir, Ontario was ranked as the worst, followed closely by Bloomington, Huntington Park, San ...

Air-quality officials are advising people in several Southern California cities to keep their doors and windows closed amid ...

Communities living and learning near petrochemical plants will face more pollution and less federal protection under Trump’s ...

Despite residents’ health complaints and community pushback, the airport’s operations continue to expand, intensifying ...

A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland ...

By supporting President Donald Trump's vast rollback of environmental regulations, Louisiana's members of Congress put their ...

As fires burned in Los Angeles this year, newer toxin monitors found contaminants that aren’t measured by standard methods.

Dry weather across the country, along with forest fires and the burning of garbage in villages, has resulted in satellite ...

“EPA plays an important role in ensuring the best forest management practices while protecting human health and the ...

Several of the environmental benefits Americans experience today -- clean air, clean water, clean rain -- could soon be in ...

A 25% reduction in motorized traffic in the city of Barcelona would have significant health benefits. A study carried out by the Barcelona Institute for Global Health (ISGlobal), a center supported by ...