Countries are embracing clean power and taking steps to use less energy because of the Iran war. But it’s not yet enough to help address climate change.

Some prominent bankers are asking the global finance industry not to let AI overshadow talks about reducing planet-warming pollution.

The Sacramento River has gotten too warm for salmon eggs. Environmental advocates blame the Trump administration for taking too much water out of Shasta Lake.

For years, he’d been a classroom science teacher in suburban San Diego County. Now he hopes to meaningfully contribute to the regrowth of oaks in burned Altadena.

Senate Bill 954 would have rolled back parts of last year’s controversial overhaul of CEQA that allowed for advanced manufacturing facilities to be sited in communities without environmental review.

Scientists are finding that snowfall is more connected to water underground than we knew. Using satellite data, they found groundwater levels actually rise during big snow years, in contrast to most years, when it continues to fall.

L.A. County is preparing for storms and possible floods during El Niño. Crews are digging massive amounts of accumulated sediment out of the county’s dams.

Officials in Nevada broke ground on a facility that will treat wastewater to make it compliant with drinking-water standards.

A major report has found that 12.5 trillion tons of ice from Greenland and Antarctica have melted since 1979

Activists on Canada’s Vancouver Island are once again trying to stop the logging of old-growth forests, some of the rarest and most carbon rich ecosystems on Earth