All the people: what happens if humanity’s ranks start to shrink?
A recent article in the Lancet medical journal has been getting a lot of press for predicting that the global population will decline sooner than most experts predict — at 9.7 billion in 2064. But a) that’s still way too many people for this roasting planet and b) the authors are more optimistic about improvements in women’s education and access to birth control than many other...