Yes because we can only do one at once.
Even if we went full green/sustainable that doesn't stop a nuclear war, big hunk of rock hitting us from space or Yellowstone going boomboom at some point.
Even if we went full green/sustainable that doesn't stop a nuclear war, big hunk of rock hitting us from space or Yellowstone going boomboom at some point.
Dinosaurs died out because they didn't have nuclear power plants or indoor greenhouses.
A major impact would still be a tragedy of unimaginable proportions... but putting a bunch of technocrats on mars isn't going to change that either.
Edit: upon further thought it would be prident to store frozen embryos on board with the associated equipment to use them to ensure genetic diversity.