Federal officials apologize for not giving San Gabriel Valley mayors a heads-up that a hazardous collection site from the ...

Four cities in Southern California are opposing an EPA processing site for "hazardous" waste from Los Angeles County's ...

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

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

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

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

The president noted the need to fight Los Angeles fires, but the water would go elsewhere in the state primarily to aid farmers. Environmentalists complained the move was unlawful.

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 ...

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

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