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

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

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

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

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

California sued Donald Trump 123 times during his first presidency. Trump lost about two-thirds of cases filed against his ...

President Trump has issued a directive calling for 'putting people over fish' in California water policy. State officials say ...

The state withdrew its pioneering clean air regulations for diesel trucks and trains, acknowledging they wouldn’t win federal approval. The state intended to end sales of trucks powered by fossil ...

Former Rep. Lee Zeldin said Thursday he would visit California as administrator of the Environment Protection Agency to ...

Nebraska Attorney General Mike Hilgers declared victory Tuesday in his fight with California over electric trucks.

California derailed its rule that would have likely killed plans for Burlington Northern Santa Fe’s $1.5 billion Barstow ...