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Published on Aug 6, 2012
http://localfuture.org The collapse of complex societies of the past can inform the present on the risks of collapse. Dr. Joseph Tainter, author of the book The Collapse of Complex societies, and featured in Leonardo Dicaprio's film The Eleventh Hour, details the factors that led to the collapse of past civilizations including the Roman Empire.
2010 International Conference on Sustainability: Energy, Economy, and Environment organized by Local Future nonprofit and directed by Aaron Wissner.