Trump's administration asked the U.S. Supreme Court to pause its review of a case involving California’s stricter vehicle ...

President Donald Trump’s Environmental Protection Agency is considering rescinding California’s permission to tackle climate ...

The California Air Resources Board said Tuesday it withdrew its requests for federal approval to implement stricter emissions ...

One of the biggest cleanup challenges from the Southern California fires is lithium-ion batteries, which can explode after ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

President-elect Donald J. Trump has threatened to revoke or challenge all zero-emission vehicle rules and California’s other ...

The waiver allowed California to enforce its Advanced Clean Car program that requires auto makers to produce more ...

As wildfires continue to spread in southern California, misinformation about the response to the fires have cropped up online ...

Trump's order is premised on the idea that increasing Delta pumping would make more water available for the rest of ...

President Donald Trump on Monday issued a memorandum directing the Secretary of Commerce and the Secretary of the Interior to develop a new ...

Following the devastating fires in Los Angeles and Ventura Counties, California Governor Gavin Newsom issued Executive Order N-4-25 to ...

President Trump directed U.S. government agencies to override California’s water policies as needed — slamming the state’s ...