Various fictions et al suggest that in +- 100 years people will begin to seriously colonise Mars as Earth becomes more and more inhospitible.
So, the question is, should we escape to another planet, and build "Earth2" there, or should we "tidy up" our own house before we destroy another?
So, the question is, should we escape to another planet, and build "Earth2" there, or should we "tidy up" our own house before we destroy another?
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