Bears and tigers are apex predators that have a high calorie intake. The world can be as populated as society can sustainably support - problem is the path to "

Bears and tigers are apex predators that have a high calorie intake. The world can be as populated as society can sustainably support - problem is the path to "development" implies a massive ramp up in energy consumption. I suspect the main barriers are political. There is a lot of suffering in the world that has little to do with lack of resources, yet persists for political reasons.