California officials sent water flowing to create new wetlands along the shores of the shrinking Salton Sea. The project is intended to control dust and provide habitat for birds.

Donald Trump’s administration isn't just ending climate action in the federal government. It's trying to end climate efforts in the states, too.

SB 607 has passed out of the Senate Appropriations Committee with major revisions, deleting the original content and ...

California had the nation’s toughest vehicle pollution rules—but the GOP tanked them in service of 'fossil fuel donors.' ...

"This is the same authority that underpins New Mexico’s rules," according to a state Environment Department spokesperson.

The U.S. Senate voted Thursday to prevent California from enforcing regulations on tailpipe emission from new cars and trucks ...

Opponents of California's waiver, which had been adopted by 11 other states and Washington, D.C., called it economically ...

Legal experts say Congress misused a federal law to do so, potentially “opening up a Pandora’s box it cannot close.” ...

The industry celebrated after Congress moved to cancel California emission standards that would have required a transition to ...

The U.S. Senate joined the House in voting to revoke strict state-level emissions standards enacted by California's Air ...

California has passed a net metering bill that could worsen residential solar owners’ rates when acquiring a property.

Not only is California's phase-out of internal-combustion vehicles by 2035 in the crosshairs, its ability to set its own environmental standards is, too.