A once-overlooked technology that taps into the Earth’s heat to generate electricity could supply up to 20% of the electricity in the United States by 2050, according to a new Princeton analysis.

Add Yahoo as a preferred source to see more of our stories on Google. When Matt Cooper found out in 2020 that the northwest Colorado coal mine where he works would close by the end of the decade, he ...

When I arrived in Reykjavík, Iceland, last March, a gravel barrier, almost thirty feet at its highest point, had been constructed to keep lava from the Reykjanes volcano from inundating a major ...

Developers are using a new geothermal technology in Germany to produce clean energy. Detail of the teeth of a drill bit that will be used in the next phase of drilling. Credit...Roderick Aichinger for ...

Deep beneath Utah’s desert soil, an oil drill bored through the Earth at a blistering pace earlier this spring. Gnarly looking drill bits tore through granite at around 300 feet per hour. It was done ...

Work continues on Towson University’s project to integrate geothermal energy as a renewable energy source to heat and cool buildings. Since December 2024, the once-grassy space along York Road in ...

Drilling the borefield is a key part of any geothermal HVAC project. For the 70% of HVAC contractors who outsource some or all of their drilling, it can also be one of the hardest — largely because ...

On a welcome muddy day in January — a warmish respite between polar vortexes and snowstorms — a small work crew hoisted 20-foot long steel pipes into a hole being bored hundreds of feet deep in the ...