Geothermal energy is making a comeback as engineers unlock deep-earth heat with new drilling and closed-loop technologies.

Canada’s geothermal resources could meet the nation’s power demand “one million times over”, but not a single commercial well has been drilled. That’s about to change as new technologies bolster the ...

The Earth’s own heat can be brought up from underground and used as a source of energy that emits almost no greenhouse gases ...

Tech company Epic Systems uses thousands of boreholes to help heat and cool its office buildings, a “marquee” clean energy ...

About 13 miles up a winding national forest road near Three Rivers, Alain Bonneville stands in the middle of a small ...

More than 75% of the planet's health and life support systems are in danger. The climate crisis is not a distant threat; it's happening right now and affecting what matters most to us. Hurricanes ...