Liveable4All sent me a link to this video.
I think the message in this video is a stupid one. Here's why: "Biologist Colin Tudge" clearly assumes that in his utopian future the majority of the earths population will continue to live in abject poverty. All very well for a rich Westerner to claim but the inhabitants of the global South might have some rather reasonable objections. In 2006, WWF's "Living Planet Report" stated that in order for all humans to live with the current consumption patterns of Europeans, we would be spending three times more than what the planet can renew. What "Biologist Colin Tudge" should have said is "we will be able to feed ten billion people in the future on starvation rations".
Personally, I don't find that an appealing, let alone a likely future. The only just solution is to equalise living standards between the developed & developing world and stabilise populations at a sustainable level. See George Monbiot for more, although note that George inexplicably fails to extend his argument to a call for equalisation of living standards. This is why he continues to cast the population issue as a "myth", In actuality, unless you are content for the majority of the human population to continue living in poverty you must accept some reasonable reduction in population in both the developing and developed world.
I suppose you could advocate for 10 billion people living in poverty, but then you'd be a monster.