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> These milestones are necessary to advancement of human race as we need new planets to occupy.

We can't even positively terraform Earth to stop the climate crisis here. Why does anyone think we need to be terraforming elsewhere? Just terraform here!!! Make the planet we are on more hospitable to human life!

It's not like we're running out of space, and the global population is about to start dropping.

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I tend to share that position, but there's one counter argument that's not without merit at all: too much to lose. Even the worst climate change outcome would be less bad than the outcome of climate change plus some botched radical fix attempt could be.

Mars on the other hand, what's the worst that could happen? Someone writing the Coca Cola logotype across the red?

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