If we take CO2 it's another thing, but low emissions won't save you once all the biosphere is literally eaten.
If all countries start living like americans we'd need 5 times the surfaces area of earth.
I can see that you don't actually value Earth, just pity that it's so small you have to ration it.
Demographics will shift dramatically if we are to prolong youth instead of prolonging old age.
I can't image a friend, partner, colleague, family member..whatever. With such little heart they regret their own children. This is the kind of person that believes in "shithole" countries because they lack all the qualities that make up compassion.