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 ...

Researchers with the National Oceanic and Atmospheric Administration claim that if you can smell food cooking, it’s probably ...

New proposed rules would set environmental goals for southern California ports. But stakeholders say they wouldn’t have much impact, anyway.

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

America's ports have long struggled with dirty air that chokes nearby neighborhoods and jeopardizes the health of people living there.

The Los Angeles City Council Wednesday instructed staff to explore a program that could address local air quality challenges ...

Feb. 27, 2025 — Air pollution contributes to nearly 7 million ... Feb. 26, 2025 — Salt Lake City and Los Angeles, the major population hubs of their respective states, are much different ...

Fires and agricultural soils can rival cars and factories in emitting chemicals that lead to ozone, making it hard to meet air quality standards.

A plan by EPA Administrator Lee Zeldin to fire scientists could disrupt environmental rules focused on clean air and water ...

Nicole Comstock reports from Ontario, which tops the list of the nation's cities with the worst air pollution. It's closely followed by five other Southern California cities, something that residents ...

LOS ANGELES (AP) — On a gray March afternoon ... said the motivation to clean up air pollution to protect human and environmental health is clear. But the “whipsaw back-and-forth of the ...