Earth4All initiative for the Global Challenges Foundation, used a new system dynamics model to understand the population growth rate. Is the large population growth rate the worst factor, or is it overconsumption?What is the connection between population and exceeding planetary boundaries? Many argue that the population growth rate is dangerous, as overpopulation leads to fewer resources for many. the population is rising fastest have extremely small environmental footprints per person compared with the places that reached peak populations many decades ago