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Nasa Chief Questions Urgency of Global Warming
May 31, 2007 by Fred's Conservative Friend (not verified), 2 years 23 weeks ago
Comment id: 23814
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But what about the rest of his statement:
"... I understand that the bulk of scientific evidence accumulated supports the claim that we’ve had about a one degree centigrade rise in temperature over the last century to within an accuracy of 20 percent... First of all, I don't think it's within the power of human beings to assure that the climate does not change, as millions of years of history have shown..."
My reading of the article is that in his analysis, at best research confirms that over the last 100 years we have experienced maybe a 1 degree C increase in temperature (and even this conclusion is only within a 20% certainty) and that recent findings suggest that this modest increase is likely partially the result of manmade activity, but to suggest that we have any ability to have a meaningful long-term influence on climate change is not supported, as climate change has occured over millions of years due to natural fluctuations, and will likely continue to change.
By the way the article is entitled, "NASA Chief Questions Urgency of Global Warming."
For the entire story see: www.npr.org