To: SunkenCiv
Jared Diamond cites man-made environmental problems as the main factor in the failure of past civilizations. But natural disasters are often the real cataclysms, like this possible 540 A.D. comet.
To: NutCrackerBoy
33 posted on
01/09/2009 10:53:53 AM PST by
SunkenCiv
(First 2009 Profile update Tuesday, January 6, 2009___________https://secure.freerepublic.com/donate/)
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