Road design, safety and Vision Zero

[nms]

There was a paper published a few years ago showing that increasingly strict car seat requirements in the States have been a significant drag on the number of families that have a third child.

https://papers.ssrn.com/sol3/papers.cfm?...id=3665046

That's one way to reduce the global population (Given that 2.1 children per couple is the generally accepted replacement birth rate level)