Geothermal Energy: How Big is the Potential? 

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There is a lot of energy right under our feet, a relic from Earth's hot past as a ball of plasma. But how much can geothermal energy realistically do for us? What technologies are currently being pursued, what are the risks, and is it even carbon neutral? In this video we have collected all the relevant facts and numbers for you.
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00:00 Intro
00:53 How Much Geothermal Energy is There?
06:37 What are the Challenges?
13:08 What Can New Technology Do?
16:07 What Are the Risks?
19:51 Summary
20:21 Into The Impossible With Brian Keating
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