By Roger Blanchard, Resilience.org
Discussion about climate disruption and mass extinction rarely mention human population as a significant factor in exacerbating those problems. In the last ~100 years, the human population has increased dramatically as shown in Figures 1 and 2. The global human population, as of 2019, was 7.7 billion and climbing. At this point, experts are estimating a global human population of ~10 billion by 2050.