Backup Generators Raise Concerns Over Air Pollution During Power ShutoffsPower shutdowns intended to prevent more devastating California wildfires are raising new concerns about another longstanding environmental threat: air pollution.
18th Spare the Air Alert of 2019 Issued for SundayA short hot spell in the forecast, combined with car exhaust, has prompted air district officials to issue a Spare the Air alert for smog on Sunday.
EPA, California Officials Exchange Legal Blows; State's Highway Funds ThreatenedThe Environmental Protection Agency's battle with California officials heated up another notch Tuesday, with the feds warning the state it could lose federal highway funds if it doesn't clean up its air.
23 States Sue Trump Administration Over Revoked California Emission StandardsTwenty-three states have sued to stop the Trump administration from revoking California's authority to set emission standards for cars and trucks.
Trump Administration Officially Revokes California's Auto Emissions Standards WaiverU.S. Environmental Protection Agency Administrator Andrew Wheeler and Transportation Secretary Elaine Chao officially announced Thursday that they are revoking California's authority to set strict auto emission standards.
EPA Set To Revoke California's Authority To Set Vehicle StandardsThe Environmental Protection Agency is preparing to revoke California's authority to set vehicle emission standards.
Expected Smoggy Conditions Monday Prompt 12th Spare the Air Alert of 2019A combination of expected high temperatures, light winds and vehicle exhaust has prompted Bay Area air district officials to issue a Spare the Air smog alert for Monday.
Oregon Wildfire Smoke Pouring Into Northern California Prompts Air Quality AdvisoryStarting early Saturday evening, the Bay Area will see impacts from the Milepost 97 fire near Canyonville, Ore., according to the Bay Area Air Quality Management District.
Bay Area Scientists Develop Low-Cost Monitor to Measure Airborne SootBlack carbon -- commonly called soot -- pours out of trucks, trains, ships and power plants. It has been linked to premature deaths and climate change and, until recently, it has been hard to track.
Scorching Heat Grips Bay Area As Temperatures SkyrocketA heat advisory through 9 p.m. Sunday has been issued by the National Weather Service, with residents advised to take precautions as temperatures rise to the mid-90s or higher in much of the Bay Area.
Whistleblowers Claim Bay Area Air Quality Management District Improperly Disposed Of RecordsThe agency in charge of protecting the air in the Bay Area has long been criticized by local activists for protecting polluters instead. Now, two former employees say they believe they have new evidence to support that accusation.