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Politics : Formerly About Advanced Micro Devices

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To: Taro who wrote (313946)12/4/2006 11:11:45 PM
From: combjelly  Read Replies (1) of 1573591
 
"Of course this data is only valid for the world known to the Vikings and our (European) culture back then."

No, you can get data from other sources. Tree rings, oxygen isotope ratios, types of pollen, insects, etc. can all give clues to climate. It is pretty clear that North America was, if anything, a little cooler during the Medieval Warm period that it is today.
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