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The smoldering chemical reaction inside Chiquita Canyon Landfill is growing and could last for decades, according to a new state analysis.

California's snowpack in the Sierra Nevada mountains measures 96% of average. It's the third straight year the state has had near-average or above-average amounts of snow.

UCLA researchers say California and other states aren't recycling enough water. They recommend reusing much more to ease water shortages along the Colorado River.

A 15-year-old girl was attacked during her swim test in Long Beach by a sea lion sickened by a recent toxic algae bloom, according to the girl's family.

A major national effort to develop clean hydrogen energy is facing funding cuts -- but only in Democratic states.

After three years of construction, the Wallis Annenberg Wildlife Crossing is finally getting soil, but it's still nearly two years away from welcoming wildlife.

The Silver fire in Inyo County was 47% contained Monday evening. The Ancient Bristlecone Pine Forest, home of the world's oldest trees, is threatened by the blaze, authorities say.

Weather forecasters expect a quarter- to a half-inch of precipitation Sunday and Monday, likely not enough to affect wildfire burn areas.

Gov. Newsom waived CEQA and the California Coastal Act for utilities working to rebuild, and move infrastructure underground, in the Palisades and Eaton fire areas.

Donald Trump's EPA says coal plants and other industrial polluters can ask to bypass provisions of the Clean Air Act by sending the agency an email.