Earlier quoted context omitted.
The Earth is going to die one day. The Sun will die too. There is no guarantee that intelligent life will survive on this single planet, even if we do a perfect job of taking care of it. Catastrophic, species-killing events can happen at any time. If we wish to ensure the long-term survival of the only intelligent life in the universe that we know about (as well as the survival of all the other creatures on Earth, wh…
I respect your position but I completely disagree. We are so far off from needing to worry about the sun dying out. We should be focused on stopping and reversing climate change.
I don't think that working to towards colonization of mars and working to counteract global warming are antithetical or even orthogonal.