RC from Minnesota, writing in the New York Times today, following Andrew C. Revkin's oped on the Paris climate talks "agreement" (scare quotes for emphasis) writes in the comments section:
AND -- David Brin, ''sci-fi'' novelist, writes on his blog today:
== Global Trends ==
New projections from the U.N. suggest that, in a few decades, we could secure a stable global population. “To be clear, the forecasts do not show an imminent end to population growth – far from it. The global population has the momentum of an elephant on an ice rink. The U.N.’s medium-variant projection shows a rise to 9.7 billion people in 2050 and 11.2 billion by 2100.”
The plunge in childbearing is startling. Eighty-three countries containing 46 per cent of the world’s population – including every single country in Europe – now have fertility below replacement rate of about 2.1 births per woman. Another 46 per cent live in countries where the birth rate has fallen sharply. In 48 countries the population will decline between now and 2050. That leaves just 9 per cent of the world’s population, almost all in Africa, living in nations with pre-industrial fertility rates of five or six children per woman. But even in Africa fertility is starting to dip.