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OftenBen · 3345 days ago · link · · parent · post: NASA Confirms Evidence That Liquid Water Flows on Today’s Mars
I'm not ignorant of biology. But the carrying capacity is determined by the spatial limits placed upon a species. The earth can only carry so many humans (At a specified quality of life) but that knowledge SHOULD drive the process of getting our genetic heritage off-planet, rather than a reduction in total population or quality of life. Carrying capacity is only an issue if we can't establish viable human populations off-planet. We can't yet, but we will.