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Comment on In theory, rocks from Oman could store hundreds of years of human CO2 emissionsparent

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Why not produce electricity, hot water and hot air by gasifying the wood, and then burying the biochar that is left over after the gasification process?

All Power Labs (allpowerlabs.com) produces small scale reactors that can do just that.

The good char systems do this. Some of the really clever systems can be used to fix nitrogen and turn the biochar into fertiliser. the whole thing can be combined with improving local agriculture slash-and-burn regions.

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