Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

Clean-energy projects have new deadlines for federal tax credits and limits on foreign parts, taking aim at California’s climate agenda. Eleven solar projects and one onshore wind project now face pot ...

The Concord Fault, which runs through Bay Area neighborhoods in Concord and Walnut Creek is in a different location than previously understood. It could produce a major earthquake in the Bay Area.