Why do societies fail? With lessons from the Norse of Iron Age Greenland, deforested Easter Island and present-day Montana, Jared Diamond talks about the signs that collapse is near, and how -- if we see it in time -- we can prevent it. Jared Diamond is an award-winning scholar of ecology, biology and history, and best-selling author of Guns, Germs and Steel and Collapse: How Societies Choose to Fail or Succeed.
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