With ear-pounding sources that range from gasoline-powered leaf blowers to crypto mining, a campaign aims to force the agency back into a previously abandoned regulatory sphere. More than 40 years ...

SACRAMENTO, Calif. (AP) — Three members of an advisory group tasked with helping a Central Valley air district reform a flawed pollution credit program resigned Thursday, saying not enough was being ...

Note: This story has been updated to reflect statements and new information Thursday from the South Coast Air Quality Management District and the Western States Petroleum Association. A controversial ...

A state comptroller's audit of the Department of Conservation's Air Pollution Control Permit Program details lack of oversight An audit by Comptroller Tom DiNapoli of the state Department of ...

The State Department will no longer share data about foreign air pollution under a program that it says is designed to help U ...