The epic rain and snow from a few winters ago appears to have changed the lake's chemistry, with big impacts for wildlife.

UCLA researchers have released an alarming new finding — the duration of heat waves is increasing faster than global warming ...

Former Insurance Commissioner Garamendi, Sen. McNerney argue rate hikes unjustified while Chevron, BP earn trillions.

Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic.

In Southern California, large warehouses must take steps to reduce the pollution caused by truck visits, either by switching ...

A new study conducted in Lake County, California—one of the most wildfire-affected regions in the country—has found that ...

The climate is supposedly a life or death issue, but California Democrats won't let it get in the way of their monopoly on state power.

Climate change activists slammed California Democrats and Governor Gavin Newsom for rolling back several environmental laws.

A sweeping reform to the California Environmental Quality Act has divided environmentalists and climate advocates.

Actions by the Trump administration are putting wildfire response, water resources, natural lands and clean energy efforts in ...

Deadly floods like those in Texas are rare in California, but climate change-fueled storms could make them more likely, ...