State officials say homes should be able to be cooled to a safe indoor air temperature of 82 degrees F. The legislature will ...

The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.

The American Waterways Operators (AWO) is urging California Gov. Gavin Newsom to withdraw the 2022 amendments to the Commercial Harbor Craft (CHC) rule, arguing that the regulations place an unfair bu ...

After 2025 began with the LA fires and a hostile new presidential administration, this is California’s big call to act on climate.

ACF was the first type of emissions regulation placed on the fleet on the “demand” side. For those of us who have been in the ...

Steps are being taken at the state and national levels to clear up some of the uncertainty hanging over a fledgling industry ...

SAN DIEGO COUNTY, Calif. — The average price of a gallon of self-serve regular gasoline in San Diego County increased Tuesday, rising 1.7 cents to $4.57, one day after a six-day streak of increases ...