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by highenergystar
1807 days ago
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It seems like the only things that can
1. work at a planetary scale
2. mitigate our multi-year (and growing) emission problem
3. not on an energy flywheel (consume a significant amount of energy, mined resources or themselves emit significant waste heat) have to rely directly on solar energy (not intermediated by PV cell). To this end azolla ferns [1] and olivine weathering seem to be the most promising. [1] https://en.m.wikipedia.org/wiki/Azolla_event |
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