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swiley
on July 8, 2021
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Why geothermal isn't ubiquitous and how it might g...
The "free energe" is moving the heat from the hot rock to the atmosphere. The difference is that it's not doing that by oxidizing carbon to CO2.
tsmarsh
on July 9, 2021
[–]
Yes. But CO2 is a problem because it prevents the heat from the sun from escaping (and there is 1kW/m2 of that). Without excess “greenhouse” gasses excess energy is free to radiate into space.
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