Landmark UC Riverside vehicle emissions study allows California to move forward with less costly and less polluting gasoline ...

Yolo County has been caught releasing global warming gases by a new surveillance satellite orbiting above Earth.

A federal appeals court has paused a California law that requires companies making more than $500 million a year to report ...

California air regulators adopted new rules designed to reduce methane leaks and better respond to disastrous underground ...

Researchers from the University of California, Riverside, found that health impacts from pollution associated with California ...

The three-year process culminated in a final regulation that sets some of the most stringent rules in the country for ...

14th annual California Green Innovation Index finds transportation pollution fell for the third straight year, even as in-state power sector emissions spiked SAN FRANCISCO--(BUSINESS WIRE)--California ...

The U.S. Chamber of Commerce said California’s scheme to pull large companies into the climate debate would extend far past ...

In a new report published and submitted to California Governor Gavin Newsom on August 19, regulators outlined how the state can continue its initial goals. The State of California is making a ...

Owners and operators of large fleets and drayage vehicles in California have been in a regulatory limbo since 2023. This uncertainty may end soon. The California Air Resources Board has proposed to ...

California’s declining oil production and refinery closures, caused by the state’s energy policies, could create an “aviation ...