An invasive Asian mussel species threatens critical Sacramento-San Joaquin Delta waterways and what the state plans to do about it.

A new drought outlook, released by a coalition of state and federal agencies, paints a concerning picture for California’s spring: worsening air quality fueled by dry soils, gusty winds and an uptick ...

U.S. Environmental Protection Agency administrator Lee Zeldin said he will tour the border region Tuesday. He posted on X the ...

The California Department of Fish and Wildlife released a new plan to reduce the spread of the golden mussel, an invasive ...

The Trump administration’s task force on antisemitism has focused on Ivy League schools—but some are fighting back.

Environmentalists claim a proposed White House rule is an ‘invitation to drive America’s most imperiled wildlife closer to ...

The Tijuana River has been plagued with raw sewage and industrial waste from Tijuana for decades, fouling beaches along the U ...

SB 607 would allow agencies to bypass the Environmental Impact Report requirement, severely limiting CEQA's ability to ...

“California must continue to lead on reducing pollution and ensuring our climate dollars benefit all residents,” the three ...

California Assemblymember Petrie-Norris amended bill AB 881 to create a pathway to lift the state’s partial CO2 pipeline moratorium after the State Fire Marshall develops carbon dioxide pipeline ...

When a 5.2 magnitude earthquake hit Southern California on Monday, humans followed the usual drill: drop, cover and hold on.

That coal ash, the waste from burning coal, was at risk of leaching into groundwater and spreading toxins, officials said. It ...