[SustainableTompkins] Chart on How Societies Collapse

[Katie Quinn-Jacobs]

Thanks for sending this, Tony.  Diamond's work, like Joseph Tainter's 
before him on the collapse of complex societies, certainly helps 
identify the stresses we're experiencing today on a global scale.

-- Katie Q-J


Tony Del Plato wrote:
> [image:
> http://graphics8.nytimes.com/images/2007/12/25/science/1211-sci-DIAMOND.gif]
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