10-24-2007, 05:11 AM
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R.I.P.
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Join Date: Jan 2003
Location: North Vancouver
Posts: 104
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Quote:
Originally Posted by mark
Not doubting global warming (hey, sort of keeps me employed) but one thing I still have a hard time grasping is how you can tell the temps thousands of years ago by drilling for ice cores.
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This is how:
http://www.agu.org/sci_soc/vostok.html |