Does energy efficiency reduce carbon emissions?

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.

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.

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…

In this house, an EV helps power appliances — and the grid

Can electric vehicles finally start working as backup batteries for homes and the grid? This 120-home pilot project in California is working out the kinks.

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