Funny thing is, we "know" relatively good, what the maximum of earths population will be and why. And we know (also relatively good) how fast we will lift peopl

Funny thing is, we "know" relatively good, what the maximum of earths population will be and why. And we know (also relatively good) how fast we will lift people from poverty, given the actual and historical numbers. Hans Rosling showed it quite well in a TED talk he gave: https://www.youtube.com/watch?v=ezVk1ahRF78 https://www.youtube.com/watch?v=ezVk1ahRF78