Tundras aren’t going to be all that liveable just because the temperature is a bit nicer. They’ll still get very dark in the winter. Like 24-hour darkness, in some of it. Some people thrive, some people cope, some people go batshit crazy when daylight hours drop below about 4 hours a day.
That’s actually the easy part. Most tundra is sitting on top of permafrost. I worked on low latitude tundra for one summer and if my experience there is representative, melting permafrost is going to turn a lot of tundra into swampland for a long time.
Even if I’m wrong about the tundra turning into swampland, there isn’t really all that much room. Good luck cramming a few billion people above 55 or 60 degrees latitude.
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.
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I suppose that’s true- had kinda forgotten those regions existed honestly.
Tundras aren’t going to be all that liveable just because the temperature is a bit nicer. They’ll still get very dark in the winter. Like 24-hour darkness, in some of it. Some people thrive, some people cope, some people go batshit crazy when daylight hours drop below about 4 hours a day.
That’s actually the easy part. Most tundra is sitting on top of permafrost. I worked on low latitude tundra for one summer and if my experience there is representative, melting permafrost is going to turn a lot of tundra into swampland for a long time.
Even if I’m wrong about the tundra turning into swampland, there isn’t really all that much room. Good luck cramming a few billion people above 55 or 60 degrees latitude.
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.
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.