We should be much more worried about population collapse

UN projections are utter nonsense. Just multiply last year’s births by life expectancy. Given downward trend in birth rate, that is best case unless reversed.

If there aren’t enough people for Earth, then there definitely won’t be enough for Mars ☹️

https://t.co/xMaVipUuYf

https://t.co/OE5bjbf6Gq