Tag Archives: bottleneck

Catton on overshoot “Bottleneck: Humanity’s Impending Impasse”

Preface. This post has two articles about overshoot, the actual crisis, not climate change which is just one of about a dozen symptoms (biodiversity loss, topsoil erosion, fresh water depletion, etc) that we’ve exceeded Earth’s carrying capacity. Yet all of … Continue reading

Posted in Collapse of Civilizations, Energy Books | Tagged , , | Comments Off on Catton on overshoot “Bottleneck: Humanity’s Impending Impasse”

Extinction has Nearly Happened Before: The Human Bottleneck

Sam Kean. 19 Jul 2012.  Blogging the Human Genome Entry 10: The chromosomal evidence that mankind nearly went extinct.  Slate.com Take your pick for the cause of our near-extinction—ice ages, plagues, Indonesian gigavolcanoes. But humans have far less genetic diversity … Continue reading

Posted in Extinction Experts | Tagged , , | Comments Off on Extinction has Nearly Happened Before: The Human Bottleneck