I've read not long ago here on SN that desalination has become surprisingly cheap and technically feasible. So maybe water will become a solved problem too, much like energy? Although I'm not sure how much energy is a solved problem, truth be said.
105 sats \ 0 replies \ @gmd 23 Jun
I follow @ Yishan on twitter, former CEO of reddit. He seems rather bullish on desalination and built a solar powered desalination plant on the Big Island
Here's his thread on the potential of solar-powered reverse-osmosis desalination:
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