5 upvotes, 2 direct replies (showing 2)
The amounts needed are literally astronomical in scale, and easily replenished by taking water and carbon from elsewhere with the import of goods.
Comment by [deleted] at 25/01/2020 at 17:26 UTC
2 upvotes, 2 direct replies
[removed]
Comment by grokmachine at 25/01/2020 at 17:47 UTC
2 upvotes, 0 direct replies
Well, terrestrial in scale, not astronomical.