At first glance, the connections between the world's growing population and climate change seem obvious. The more people we have on this planet, the larger their collective impact on the climate.
However, a closer look with a longer time horizon reveals relationships between population size and climate change that can help us better understand both humanity's predicament as the global population nears 8 billion people — a milestone the United Nations expects the world to hit on about Nov. 15, 2022.
