1st Spare the Air alert of the year for smog issued for Friday

The Bay Area Air Quality Management District has issued its first Spare the Air alert of the year for smog in the region Friday.

Carbon dioxide levels in atmosphere surpass key milestone

Climate scientists say it's "like watching a train barrel down the track towards you in slow motion. It’s terrifying."

California's salamanders have amazing skydiving skills, UC study reveals

A UC Berkeley study has unveiled incredible gliding and parachuting skills that have evolved among the wandering salamander which dwells among towering Northern California coast redwood forests.

Californians could see mandatory water cuts amid drought

California Gov. Gavin Newsom threatened Monday to impose mandatory water restrictions if residents don’t use less on their own as a drought drags on and the hotter summer months approach.

Pilot program tests air and wastewater for COVID at Menlo Park City School District

It's a cutting edge approach to COVID testing — the Menlo Park City School District is part of a pilot program to test air and wastewater at their schools.

California lays out plan to drastically cut fossil fuel use

New homes built in California starting in 2026 need to be powered by all-electric furnaces, stoves and other appliances if California is to meet its ambitious climate change goals over the next two decades, according to a state pollution-reduction plan released Tuesday.

In drought-ravaged California, water use is up dramatically

California’s drought is worsening and yet residents used more water in March than any other month since 2015.

9 tons of trash pulled out of Lake Tahoe

So far, divers have carried out more than 21,000 individual pieces of trash from Lake Tahoe weighing a total of nine tons.

Foul-smelling toxic foam spewing from polluted river takes over Colombian city

Photos show how the massive layer of toxic foam is plaguing the city of Mosquera, Colombia, near Bogota, drifting into residents’ yards and businesses.

California's attorney general says we consume a credit card's worth of plastic every week

The State of California is going after ExxonMobil as it investigates the cause of what officials call a plastic pollution crisis. A.G. Rob Bonta says we consume the equivalent of a credit card's worth of plastic a week.

Russia cuts natural gas to 2 NATO nations in escalation

A day after the United States and other Western allies vowed to send more and better military supplies to Ukraine, the Kremlin upped the ante, using its most essential export as leverage.

San Francisco supervisors approve plan to keep Golden Gate Park's JFK Drive permanently car-free

John F. Kennedy Drive in San Francisco's Golden Gate Park hasn't seen cars in nearly two years-- and now that will be permanent. City officials made the announcement of the Board of Supervisors' vote late Tuesday evening.