An annual report from the American Lung Assn. showed that Los Angeles has improved its air quality but still deserves its ...

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

The nonprofit Archangel Ancient Tree Archive has donated sequoia saplings that were planted Tuesday by Arboretum Detroit to ...

The project will not only replace blight with majestic trees, but could also improve air quality and preserve the trees ...

Residents across New York and New Jersey are dealing with poorer air quality than usual, but a new report revealed that even ...

The most recent State of the Air report by the American Lung Association found that more than 150 million Americans breathe ...

The iconic skyline of downtown Los Angeles has been clouded by smog for decades, so this title should come as no surprise to Angelenos. Yet again, L.A. is the smoggiest city in the U.S., according ...

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

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association ...

International industry leaders came together at Alta Sea at the Port of Los Angeles April 16 for the annual Protecting ...