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1 " The recent history of human population dynamics resembles the ‘boom-bust’ cycle of any other species introduced to a new habitat with abundant resources and no predators, therefore little negative feedback.[...] The population expands rapidly (exponentially), until it depletes essential resources and pollutes its habitat. Negative feedback (overcrowding, disease, starvation, resource scarcity/competition/conflict) then reasserts itself and the population crashes to a level at or below theoretical carrying capacity (it may go locally extinct).Some species populations, in simple habitats, cycle repeatedly through boom and bust phases. The height of the boom is called the ‘plague phase’ of such cycles.Hypothesis: Homo sapiens are currently approaching the peak of the plague phase of a one-off global population cycle and will crash because of depleted resources, habitat deterioration and psycho-social feedback, including possible war over remaining ‘assets,’ sometime in this century. (“But wait,” I hear you protest. “Humans are not just any other species. We’re smarter; we can plan ahead; we just won’t let this happen!” Perhaps, but what is the evidence so far that our leaders even recognize the problem?)[...] climate change is not the only existential threat confronting modern society. Indeed, we could initiate any number of conversations that end with the self-induced implosion of civilization and the loss of 50 per cent or even 90 per cent of humanity.And that places the global community in a particularly embarrassing predicament. Homo sapiens, that self-proclaimed most-intelligent-of-species, is facing a genuine, unprecedented, hydra-like ecological crisis, yet its political leaders, economic elites and sundry other messiahs of hope will not countenance a serious conversation about of any of its ghoulish heads.Climate change is perhaps the most aggressively visible head, yet despite decades of high-level talks — 33 in al — and several international agreements to turn things around, atmospheric CO2 and other GHG concentrations have more than doubled to over 37 billion tonnes and, with other GHG concentrations, are still rising at record rates. "
― William E. Rees
