You are right, I glossed over the description and saw mentions of sex-ed, but it's apparently just part of it. Thanks for the correction!

This. All nations have followed a population curve and with increased education and social mobility, the birth rate drops. It was only a couple of generations ago here in the UK that people had large families, and another couple of generations before that that women were allowed to vote.

Reading general comments on the web about the likes of the UK only have a tiny part to play and it being 'almost pointless' to combat climate change and conservation (vs larger population countries) seem to forget we've been industrialised and polluting for a quarter of a millenia. On the same token, the technology acquired over that time can solve the problem.

Overshoot day is a good reminder that we're still living above our means.