• jarfil@lemmy.world
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    1 year ago

    The tree line is moving pole-wards thanks to global warming; the gain is less than what’s lost by the desert line moving pole-wards, but it’s something.

    Good luck cramming a few billion people above 55 or 60 degrees latitude

    Realistically, you need less than 1m² of terrain per person if you stack them in high enough buildings. Look at how China is doing it.