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Enthusiast Donating Member (1000+ posts) Send PM | Profile | Ignore Sat Feb-23-13 08:24 AM
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There is always that specter of
the Younger Dryas. Some climate scientists and paleoclimatologists fear the sudden influx of fresh water from melting Greenland ice could trigger the Younger Dryas phnomenon. As if we didn't have enough to worry about.

Some speculate that the Younger Dryas might have caused the extinction of the the North American mega-fauna. One thing for sure, the mega fauna and the clovis culture human beings in North America suddenly became extinct about 12,900 years ago.

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