For more than a century, geothermal energy has quietly provided consistent, low-carbon power to parts of the U.S. Immune to weather disruptions and environmentally clean, it offers a stability few ...

With all respect to Carole King and James Taylor, maybe their song lyrics should have been “I feel the Earth heat under my feet.” It rhymes nicely, plus there is an enormous source of energy right ...

Two to three miles below our feet lies a nearly inexhaustible source of energy, and a number of startups are working to harness it to provide carbon-free electricity. Unlike solar and wind generation, ...

The climate crisis is forcing innovation to move faster and scale larger than ever ...