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A comment on Vertical farming does not save space. Parent comment
A while back I saw a plan for a greenhouse that used solar desalination to provide water for plants but don't know if was ever built
edit: Looks like they exist https://www.researchgate.net/figure/The-seawater-greenhouse-...
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A while back I saw a plan for a greenhouse that used solar desalination to provide water for plants but don't know if was ever built
edit: Looks like they exist https://www.researchgate.net/figure/The-seawater-greenhouse-...