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

President Donald Trump issued an executive order to allow federal agencies to override state policies to maximize water amid ...

The future of EVs might hinge on a decades-old air pollution law. Whether the law is upheld will have ramifications far ...

When a massive fire erupted at one of the world's largest lithium-ion battery storage facilities in Monterey County, it ...

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

Nearly two weeks after the Eaton fire forced Claire Robinson to flee her Altadena home, she returned, donning a white hazmat ...

What authorities described as one of the largest lithium-ion battery cleanups ever is underway in Los Angeles County ...

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 ...

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

Citing the Los Angeles fires, Trump directed federal agencies to "immediately take actions to override" water operations and ...

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 ...