Arnold Schwarzenegger just dropped a bold two-word challenge that could reshape how we fight climate change, and he’s not ...

CALISTOGA, Calif. (AP) — For residents of this quaint tourist town on the northern edge of Napa Valley, the threat of ...

The report points to catastrophic flooding, rising temperatures and worsening air quality as the primary climate risks in the Sacramento metro area.

Renewable energy has taken off as more affordable alternatives for generating electricity than fossil fuels. California now ...

Three environmental groups argued Wednesday before the California Supreme Court that state utility regulators acted illegally ...

Knowable Magazine reports that as birds’ traditional resting and nesting spots become inhospitable by the blistering pace of ...

“The Colorado River Basin is losing groundwater at an alarming rate,” Karem Abdelmohsen, a postdoctoral researcher at Arizona ...

Even one of the most anti-oil environmental justice advocates said California needs to do more to ensure an equitable ...

The South Coast Air Quality Management District is poised to vote on regulations that would limit emissions of nitrogen ...