Meet 5 startups working to harness the Earth’s heat to save the planet

There are a few sources of power that are “free” here on Earth, namely wind, solar, hydro, and geothermal. Humans have been tapping hydro and wind for millennia, and we’re getting pretty good at harnessing the power of the sun. But with geothermal, we’re still not expertly exploiting the heat that’s generated deep within the planet. Most commercial-scale geothermal installations…
« Previous post: | Next post: »