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Elisabeth Robson's avatar

Two things. First, I think your optimistic scenario is way too optimistic. The Earth's carrying capacity for humans before widespread technology was on the order of 10's of millions, nowhere close to a billion. Given we've so degraded the environment, and poisoned the entire planet making recovery for species we don't extinct in the next few decades far more difficult, it seems likely Earth's carrying capacity for humans is now far lower than it was prior to agriculture (which is insanely destructive itself, but we certainly can't go back to hunting and gathering, given how much of Earth we've destroyed). I think 1 billion humans would continue to draw down (at a slower rate) Earth's renewable and non-renewable "resources" (nature) leading to total collapse farther in the future. 5-10 million? Maybe that's doable.

Second, you write "The world, once more, will become huge… and empty." Empty? I assume you mean empty of humans. Hopefully, not empty of other species (although given we are, as stated above, poisoning the entire planet, perhaps... but let's hope some survive). This is human supremacist thinking. We need to adjust our thinking. We are but one of millions of species on this planet and we are certainly the most destructive of the species who exist here now, and so, perhaps the stupidest. Let's hope we don't destroy the web of life before the dramatic reduction in population happens so that there is a chance for the other millions of species to recover.

Greeley Miklashek, MD's avatar

Thoughtful and sobering. As we now number 3,000 times more than our last self-sustaining ecologically balanced iteration, the ancestral migratory Hunter-Gatherers/pastoralists, what could possibly go wrong? We have gone mad some time ago, as the 60M who died in WWII found out, the only question now, as you so well illuminated, is how to manage a societal/ecosystem collapse. The ONLY serious question, not generated by AI or some other predatory Capitalist wet dream, is how to rapidly get our population-natural resource depletion down to a sustainable level without a cataclysmic WWIII. Our Mad King Donald the 1st is NOT the leader we need now, nor are his benefactors/supporters. Many thanks for proposing a management plan. Have a blessed day.

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