Guardian: The worlds population is now odds-on to swell ever-higher for the rest of the century, posing grave challenges for food supplies, healthcare and social cohesion. A ground-breaking analysis released on Thursday shows there is a 70% chance that the number of people on the planet will rise continuously from 7bn today to 11bn in 2100.
The work overturns 20 years of consensus that global population, and the stresses it brings, will peak by 2050 at about 9bn people. The previous projections said this...