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 ...

The Trump administration is suing California over its animal welfare laws, claiming they unconstitutionally raised egg prices ...

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.

As of last month, 26.1 percent of California’s lands and 21.9 percent of its coastal waters are under “long-term conservation and care,” according to a new progress report published Monday by the ...

Federal immigration authorities say they've arrested about 200 immigrants suspected of being in the country illegally during ...

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