If humanity was a just another species of our size, its sustainable population would count half a million individuals.
Photosynthetic primary productivity calculations put a hard ceiling at about half a billion.
I think a safe long term population will be less than a hundred million. At a roughly Edo period Japan technology level.
If humanity was a just another species of our size, its sustainable population would count half a million individuals. Photosynthetic primary productivity calculations put a hard ceiling at about half a billion. I think a safe long term population will be less than a hundred million. At a roughly Edo period Japan technology level.