The Republican-majority Senate voted to nullify California's landmark environmental rule that would've banned the sale of new ...

California has enjoyed the ability to set its own standards governing air pollution from automobiles, as long as they’re more ...

That’s why it’s crucial to keep clean vehicle standards on the books. Unfortunately, the U.S. House of Representatives just ...

The US Senate voted today to strip California of its authority to enact state limits on tailpipe pollution that are tougher ...

The Senate voted on Thursday to block California’s first-in-the nation rule banning the sale of new gas-powered cars by 2035, ...

Tonight's decision could upend California’s phaseout of gas-powered cars and its decades-long battle against air pollution.

California has used federal waivers to help clean up its air quality for decades. The U.S. Senate will likely revoke that ...

Senate Republicans have voted to establish a new precedent that will allow them to roll back clean air standards in ...

A hidden air pollutant is discovered by Caltech scientists that may change the way smog is studied in Southern California ...

Republicans used a procedural tactic to counter Democratic accusations they were gutting the filibuster and lay the ...

Pollution levels across four hotspots in the Royal Borough of Windsor and Maidenhead have fallen significantly in the last ...