Southern California clean-heat rule survives key legal challenge

Clean energy helped the grid avoid heat-wave catastrophe

Last week's high temperatures pushed the U.S. grid to its limits, and showcased how new wind and solar additions are essential to keeping the lights on.

Tropical forests can stop acting as carbon sinks during El Niño, says research

Some of South America’s tropical forests effectively stopped absorbing carbon during the 2015-2016 El Niño.

The oceans are full of heat, and it’s coming ashore

The nation’s biggest public utility just doubled down on coal, gas, and nuclear

The overlooked wiring problem in the clean-energy transition

As more households add solar panels, batteries and heat pumps, researchers at Purdue found that running them all on DC power—not the AC current from the wall—could cut energy use and emissions.

Could hydropower hamper NYC’s building decarbonization law?

New York City building owners can soon buy renewable energy credits to comply with Local Law 97. Climate groups want Mayor Mamdani to limit this practice.