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Discussions Started (1) | Replies | Latest Activity |
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Brilliant Design Plan for Carbon-Negative Urban Farming Using Biochar!Hey all, check out this super design for a four-season carbon-negative hoop house powered by biochar! Using openideo, you can add your own… Started by Maya Berenholz |
0 | Mar 13, 2013 |
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Remineralize the Earth
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