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Not as silly as it sounds: https://en.wikipedia.org/wiki/Biochar https://en.wikipedia.org/wiki/Biochar
by perilunar 7y ago
Not as silly as it sounds:
https://en.wikipedia.org/wiki/Biochar https://en.wikipedia.org/wiki/Biochar
- CydeWeys 7y agoIt is pretty silly, because why would you go to greater lengths to dig up coal when you have all this biochar you've just created at the surface that you could more easily burn to release more energy?