Considering how this thread started, you're saying that we need to escape to the one place that hasn't been corrupted by capitalism? [this video] But more pragmatically, neither Biosphere project was considered successful enough to make this workable on earth at any large, or even small, scale. There is still much more work and research to do here. Any attempt here currently has a hard dependency on the larger ecosystem to supply it with inputs. Musk working on building moonbases on earth looks a lot like what doomday preppers are already focused on.
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