On a FEMA color-coded hazard map, Alameda, Santa Clara and Contra Costa counties are shaded dark red, indicating an area with ...

Sewage crisis along the U.S.-Mexico border has resulted in more than 100 billion gallons of contaminated water crossing into California since 2018.

PFAS concentrations in Los Angeles and Santa Ana rivers exceed federal safety limits, posing serious health risks to ...

"Enough is enough, border communities like Imperial Beach, San Ysidro and Calexico should not be treated as sacrifice zones," ...

California lawmakers are asking President Donald Trump to declare a state of emergency over pollution of the Tijuana River ...