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And what should not be forgotten. Even with all boundaries largely crossed it's still easier to keep earth self-substainable colonized then doing so for mars.

• JumpCrisscross 3y ago
  > with all boundaries largely crossed it's still easier to keep earth self-substainable colonized then doing so for mars Straw man. Nobody argues for colonising Mars so we can abandon the Earth. It's absolutely an "and" problem. (The science and engineering required to create a self-sufficient, likely closed-loop, Martian colony have obvious implications for making our terrestrial presence more sustainable.)
  • dathinab 3y ago
    is it? self-substainable colonizing Mars seems to be difficult to a point, where it currently looks that even with larger science improvements it won't be a thing for a long time (as a side note with self-substainable I here meant also growable, expandable, doing science maybe trying to colonies other people etc. i.e. close-loop isn't cutting it at all). and I have seen people argue that when worse come to worse we still could try to colonies mars and similar generally I have seen the ease of colonizing mars and the amount this will increase surivability of the human species mid term hugely estimate quite frequently
    • JumpCrisscross 3y ago
      > even with larger science improvements it won't be a thing for a long time Of course. Same as solving our ecological crises is a long-term project. All I’m saying is they have overlap, and there are a lot of people who aren’t turned on by staving off a disaster who are by pursuing a lofty ambition.