The federal government is walking away from its tailpipe emissions rules, sparking a legal debate over whether states can now write their own standards.

California and the U.K. announce a $1B clean energy partnership led by Octopus Energy, drawing praise and political criticism.

California Governor Gavin Newsom attended the Munich Security Conference to discuss the need for decisive climate action and to promote California's partnerships with other countries to build a green economy,

The draft proposal marks the opening salvo in a new round of fighting over California’s climate targets. SACRAMENTO, California — California climate regulators on Wednesday proposed slashing the number of greenhouse gas permits they sell to industry ...

California is lurching between extremes—from record-breaking heat and low mountain snowpack to torrential atmospheric river events and catastrophic wildfire. In this episode of Terra Verde, host and producer Hannah Wilton speaks with climate scientist Dr.

Low-cost air pollution sensors reveal stark disparities in exposure to extreme heat and air pollution in Contra Costa County, a major traffic corridor and oil refinery hub near San Francisco.