How to Produce Hydrogen Gas as Cleanly as Possible

Europe’s energy crisis has a silver lining: It just made going green a lot cheaper

High fossil fuel prices have flipped the math on renewable energy. New research shows that accelerating Europe's green transition by a decade could now pay for itself—and then some.

Pioneering grid battery nudges California closer to 24/7 clean energy

The Tumbleweed installation just went online in Kern County. It can store clean energy and discharge it for eight hours straight, a harbinger of what’s to…

Want a deal on a heat pump? Team up with your neighbors.

Bulk buying is a tried-and-true way to get discounts on rooftop solar. Now programs aimed at heat pumps are popping up too, helping people save thousands…

New US dietary guidelines would worsen carbon emissions and land use

Updated federal dietary guidelines finally take on ultra-processed junk food—but the push for more animal protein quietly erases every environmental gain, and then some.

How can we make buildings more resilient before – and after – earthquakes? We put one solution to the test

A full-scale earthquake test suggests a new generation of low-carbon timber-based buildings could remain usable after major shaking.

The World Cup is one wildfire away from an air quality disaster