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 ...

A group of researchers says they have found high concentrations of heavy metals in a California estuary near the site of a ...

Trump lost more than two-thirds of the lawsuits filed against his rules in his first term. His win rate of 31% was lower than ...

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

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

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

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 ...

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