At first thought to hold the pesticide DDT, some mysterious barrels dumped in the deep sea near Los Angeles actually contain ...

A pioneering study seeks to figure out how a combination of high heat and loud noise impacts the brains and health of L.A.

Los Angeles has the most polluted air out of more than 2,400 U.S. cities analyzed in a report released by an air-quality monitoring firm, despite the city showing 6% pollution decrease in 2021.

More than 1,300 people in the Los Angeles area die every year as a direct result of bad air quality, according to a new report.

“The exemption makes workplaces more dangerous and unhealthier, increases toxic contaminants in our communities, and prevents ...

Los Angeles County is the focus of an air quality alert reported at 2:49 p.m. on Thursday by the National Weather Service. The alert is in effect until Friday Aug. 8, at 7 p.m.

For people who live in the downtown Los Angeles neighborhood near the juncture of the 110 and 10 freeways, traffic congestion ...