It's a shame Biosphere 2 didn't get more funding. It was supposed to solve exactly this issue, with the tremendous cost advantage of being reachable by car inst

It's a shame Biosphere 2 didn't get more funding. It was supposed to solve exactly this issue, with the tremendous cost advantage of being reachable by car instead of rockets https://en.wikipedia.org/wiki/Biosphere_2 https://en.wikipedia.org/wiki/Biosphere_2