“Say that the percentage rate of growth slows from 2.1 percent to 1.7 percent a year over a few years while the absolute increase of yearly growth goes from sixty-four million to seventy-nine million to ninety-three million in that time. How can this be? Because there are more women giving birth at the lower rate.” WorldLifeFactsScienceNumbersClimate ChangePopulation Nature Book:Man Swarm: How Overpopulation is Killing the Wild World Source: Man Swarm: How Overpopulation is Killing the Wild World