It's being done in North Africa e.g. Tunisia — https://www.hortidaily.com/article/9128081/newest-semi-closed-greenhouse-in-tunis-ready-for-new-season/ https://w

It's being done in North Africa e.g. Tunisia — https://www.hortidaily.com/article/9128081/newest-semi-closed-greenhouse-in-tunis-ready-for-new-season/ https://www.hortidaily.com/article/9128081/newest-semi-close... 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-solar-desalination-unit-at-Al-Hail-Muscat-Oman-Figure_fig1_254214888 https://www.researchgate.net/figure/The-seawater-greenhouse-...