Far below the Earth's surface is an energy source with huge and perpetual potential: geothermal heat. But the forces in its ...

These underground reservoirs of steam and hot water can be tapped to generate electricity or to heat and cool buildings directly. 4 min read Geothermal energy has been used for thousands of years ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Charlotte Gartenberg: Welcome to Tech News Briefing. It's Friday, March 7th.

Far below the earth’s surface is an energy source with huge and perpetual potential: geothermal heat. But the forces in its scorching and ...

This story was produced in partnership with the Pulitzer Center. Secretary of Energy Chris Wright on Tuesday threw his support behind a vast expansion in geothermal energy. Emerging forms of ...