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

The LA and Long Beach ports are the region's biggest sources of air pollution. Groups representing 400,000 residents say new ...

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

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

The major city with the worst air pollution was Los Angeles, California. The smaller municipality of Ontario, California, had the most pollution of any city, the report said. Australia ...

it’s quietly pulling more pollution out of the air than scientists realized, especially when the summer heat kicks in. In the Los Angeles community of Mid City, researchers found that trees are ...

President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

Los Angeles Feb. 26, 2025 — Salt Lake City ... brake pads can be more toxic than those found in diesel vehicle ... Air Pollution Exposure Late in Pregnancy Increases NICU Admission Risk Feb ...

Four community organizations have been selected to share $310,000 in grant funding, pending harbor commission approval on ...