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

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

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 ...

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

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

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 ...

What does it mean when the state with the most aggressive immigrant health care ambitions in the country needs to close a $12 billion budget gap? For California, it means a hard combination of ...

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

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

Hot weather and dry conditions have led to “elevated” wildfire threats across the state, the U.S. Drought Monitor said.