Fire season is fueling momentum in D.C. for drones, AI and forest-mapping tech. California companies are leading the charge.

SACRAMENTO, California — President Donald Trump is threatening California’s marquee carbon-trading program. But it’s in-state ...

"The state with the boldest vision for the future can't seem to build it. Nowhere is this clearer than in the fight against ...

California's aquifers gained an estimated 2.2 million acre-feet of water during the last water year. Gov. Gavin Newsom's ...

An appeals court has halted a massive housing project in northern L.A. County. It ruled that officials didn't fully account ...

California is often the vanguard of climate-related policies and programs. From legislation requiring the state to reduce ...

California’s existing groundwater infrastructure may fail to quench the state’s thirst in an increasingly arid future, even ...

The Supreme Court sided Friday with oil companies seeking to challenge California’s electric vehicle regulations. In a 7-2 ...

Water conflicts are inevitable in dry California, but such conflicts with deteriorating ecosystems and climate conditions ...

And California’s gasoline prices are already the highest in the nation—even surpassing Hawaii’s.

Residents of Manteca, California are sick of the damage being caused by golf balls constantly sailing into and damaging their ...

The ruling is preliminary. A state union will argue in court Friday to reverse the hiring of a law firm to handle a climate case against the oil industry.