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Gov. Gavin Newsom urged lawmakers to pass legislation speeding up plans for a water tunnel. But his proposal encountered resistance and failed to advance in the Legislature this session.

A coyote seen swimming in the San Francisco Bay near Angel Island has prompted concern. But scientists say it's not the first time.

Among the closely watched items are reauthorization of California's signature cap-and-trade program and expansion of a regional electricity market.

The compromise would streamline environmental approvals for new wells in oil-rich Kern County and make offshore drilling more difficult by tightening the safety and regulatory requirements for pipelines.

California electric customers would pay $9 billion more to shore up the state's wildfire fund under a last-minute deal cut behind closed doors and introduced as legislation Wednesday.

After asserting for years that firefighters cannot do their jobs while wearing protective masks, the U.S. Forest Service will now provide the breathing protection.

Advocates say a 50-home gated community approved this week will harm bald eagle couple Jackie and Shadow. San Bernardino County officials say it won't.

In a milestone for U.S. wave energy, officials with Eco Wave Power and AltaSea unveiled a pilot project Tuesday at the Port of Los Angeles.

UCLA and UC San Diego grad Megan McArthur retires at 54 after two decades with NASA. The space and ocean scientist's work puts her in an elite group of explorers.

A pioneering study seeks to figure out how a combination of high heat and loud noise impacts the brains and health of L.A. residents.