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Politics : Politics for Pros- moderated

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To: LindyBill who wrote (10631)10/3/2003 6:56:06 PM
From: Nadine Carroll   of 793755
 
We do know that it's warming up, LB. We can tell that from tree-ring and ice-core studies, and from historical references. Europe has been warming up since we came out of the "little ice age" that lasted from the 14th to the 17th century.

What I don't know, and I don't know that anyone does know, is how much of this warming is caused by man-made emissions of greenhouse gasses. After all, Europe is not yet as warm today as it was in 1100 CE; and the medieval warm period was certainly not caused by industrial activity.
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