Harari pays lip service to ecological collapse. His vision of the future is an optimistic one of capitalistic progress, of some kind of global federalism or empire, and of technological progress — especially towards a cybernetic dream. And when he talks about education — he anticipates a computerized world with an uncertain job market — but a world where there are jobs.
I, on the other hand, am more pessimistic. I see a world which is overpopulated and with fragile city structures, totally dependent on technologically operated capitalist governments and markets. And I anticipate that these systems will collapse. The education that is needed — when collapse occurs — is a sort of back to nature training — covered by such books as: