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Pastimes : THE SLIGHTLY MODERATED BOXING RING -- Ignore unavailable to you. Want to Upgrade?

To: Lane3 who wrote (14170)	6/5/2002 9:29:24 PM
From: Lazarus_Long	Read Replies (1) \| Respond to of 21057

Did you say "National Academy of Science"? CNN's Michelle Mitchell was typical of the coverage when she declared that the report represented "a unanimous decision that global warming is real, it is getting worse, and is due to man. There is no wiggle room." As one of 11 scientists who prepared the report, I can state that this is simply untrue. ....................................................................................................................................... ....................................................................................................................................... Our primary conclusion was that despite some knowledge and agreement, the science is by no means settled. ....................................................................................................................................... ....................................................................................................................................... One reason for this uncertainty is that, as the report states, the climate is always changing; change is the norm. Two centuries ago, much of the Northern Hemisphere was emerging from a little ice age. A millennium ago, during the Middle Ages, the same region was in a warm period. Thirty years ago, we were concerned with global cooling. Distinguishing the small recent changes in global mean temperature from the natural variability, which is unknown, is not a trivial task. All attempts so far make the assumption that existing computer climate models simulate natural variability, but I doubt that anyone really believes this assumption. ....................................................................................................................................... ....................................................................................................................................... What we do know is that a doubling of carbon dioxide by itself would produce only a modest temperature increase of one degree Celsius. ....................................................................................................................................... ....................................................................................................................................... The press has frequently tied the existence of climate change to a need for Kyoto. The NAS panel did not address this question. My own view, consistent with the panel's work, is that the Kyoto Protocol would not result in a substantial reduction in global warming. ....................................................................................................................................... ....................................................................................................................................... Richard S. Lindzen, a professor of meteorology at MIT, was a member of the National Academy of Sciences panel on climate change. nationalpost.com