I disagree. If the human species is to survive we need to colonize space. This isn't a next 100 years goal, it's a next one or two thousand years goal. If we do

I disagree. If the human species is to survive we need to colonize space. This isn't a next 100 years goal, it's a next one or two thousand years goal. If we don't succeed in colonizing other planets humanity will end when the Earth is no longer able to support life.