4 ms·

It's not clear if humankind survives the next couple hundred years.

• simonh 6y ago
  It's a reasonable concern. I think we'll probably survive indefinitely, after all if Mars can be colonised it's hard to imagine we could screw up Earth so badly it's less habitable than that. However, the planetary environment could become so hostile that it takes so much effort to maintain civilization that our capabilities become severely limited. So my concern isn't so much us dying out, as we become doomed to a fairly marginal existence, incapable of interesting achievements such as interstellar exploration.
  • fairity 6y ago
    Indefinitely? The sun will eventually blow up.
    • simonh 6y ago
      And it might be possible to escape or survive that, at least for a while, I don't know for sure.