Alarmism about population growth has a long and chequered history. On one side are concerns that there are too many people, and that sheer numbers are causing our current environmental crisis. On the other side are arguments that we have too few people, writes Melanie Channon, University of Bath and Jasmine Fledderjohann, Lancaster University. The … Fortsätt läsa 8 billion people: Why trying to control the population is often harmful