With levels of sooty air pollution far too high across swaths of the Los Angeles area, people are taking precautions: wearing ...

A motorcyclist in Los Angeles prepares to turn while driving along a street engulfed in a thick haze combined by fog and smog in 1958.Bettmann / Getty For much of its history, the city of stars could ...

This story was originally published by CalMatters. Sign up for their newsletters. Guest Commentary written by Theral Golden is a Long Beach resident Paola Vargas is a community organizer at East Yard ...

The Port of Los Angeles must significantly improve its management of stormwater and groundwater to ensure that toxic pollutants stay out of the harbor, according to a tentative settlement on Wednesday ...

5 Freeway north of LA is the focus of an updated air quality alert reported at 5:03 p.m. on Wednesday by the National Weather Service. The alert is in effect until Thursday July 10, at 8:15 p.m. “The ...

Light pollution significantly affects our ability to view the night sky and poses a threat to future generations' access to ...

Add Yahoo as a preferred source to see more of our stories on Google. Los Angeles has struggled with air pollution problems since before smog became a term. In 1943, smog covered the city so thickly ...

Los Angeles has struggled with air pollution problems since before smog became a term. In 1943, smog covered the city so thickly that residents thought they were under a chemical attack. The creation ...