Revised 29 August 2021



***** Sources of content (sources to be added)


Diamond, J. Collapse: How Societies Choose to Fail or Survive. London, Allan lane, 2005.

Tainter, J.A. The Collapse of Complex Societies. New York, Cambridge University Press, 1998.

Weisman, A. The World Without Us. London, VBirgin Books, 2007.