>Otherwise, to minimize resource usage, let's all give up on civilization and go back to caves. We can't go back, unless we are willing to kill off most of the

>Otherwise, to minimize resource usage, let's all give up on civilization and go back to caves. We can't go back, unless we are willing to kill off most of the population. If we give up just one hundred years of technology we have to destroy every forest in an attempt to grow enough food. All seven billion humans giving up on society and going back to a hunter/gathered society would lead to an immediate collapse of most ecosystems. We are certainly consuming too much to be substainable right now, but at the same time the amazing efficiency improvements that civilization has brought us are the only thing that make it even possible to live on this planet with seven billion other humans.