Humans have survived fine these extremes only because there is normal ecosystem outside from it. Now imagine that after climate collapse the vacuum of space, to

Humans have survived fine these extremes only because there is normal ecosystem outside from it. Now imagine that after climate collapse the vacuum of space, top of the peak or bottom of the ocean is the only environment we have. You don't even have a single remote island with reasonable nature. No, humans will not survive it for long.