Canaries are the most familiar of “sentinel species” – animals (and plants) that can alert us to threats to human health and ...

Supporters say a regional energy market would benefit renewables and accelerate climate progress. Critics say it would ...

President Donald Trump and Transportation Secretary Sean Duffy both have slammed the project as a “train to nowhere." ...

California Democrats have made a series of moves to blunt or roll back environmental laws. What's behind the shift?

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the nation’s worst air quality. But officials face growing pushback about ...

California is closer to meeting its goal of conserving 30% of its lands and coastal waters by 2030, according to a report.

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

California Gov. Gavin Newsom (D) signed legislation Monday paring down the state’s landmark environmental review laws in a ...

Governor Newsom signs an executive order reinforcing California's commitment to clean vehicle programs amid federal opposition.

SACRAMENTO, CA – On Tuesday, Governor Gavin Newsom announced the launch of California’s Statewide Mobile Monitoring Initiative (SMMI), a first-of-its-kind program that will provide localized air ...

California Gov. Gavin Newsom must be grateful for the ugly divorce between President Trump and Elon Musk. It’s a useful public distraction from a crack-up in his own party over the state’s ...

California Governor Gavin Newsom announced the launch of the Statewide Mobile Monitoring Initiative program, created to guide air quality improvement efforts in California.