Air Pollution

Rejecting a tougher smog standard is not based on the latest science, California officials say.

Pointing to a sharp uptick in coronavirus-related hospitalizations and ICU admissions, Gov. Gavin Newsom implored Californians to wear face masks.

California may be about to hit coronavirus peak. Are new masks coming from China safe? COVID-19 poses dire predicament for farms and farmworkers

The global coronavirus pandemic has inadvertently achieved what state officials have sought to do for decades: Californians have parked their cars. Freeways and highways are clear. And the constant burn of fossil fuels has been markedly diminished.

California warns of THC risks for babies. Proposed rule calls for zero-emission trucks. No-party preference voters must choose primary ballot.

California's clean air enforcers want major truck manufacturers to sell zero-emission vehicles in the state — but the agency's proposal faces criticism from environmentalists and truck makers alike.

“You get exposed to a lot of stuff over the years, and the body takes a beatdown."

Newsom meets with PG&E chief to discuss utility's future. Audit finds problems in school funding. Certain groups miss out on food stamps.

Newsom's plans for housing construction off to slow start. Air Resources chief points out math error by feds. S.F. blacklists Nevada over abortion.

California's latest clean air fight with Trump's EPA is about more than backlogged paperwork - but likely won't hurt federal transportation funding anytime soon.