As much of the U.S. is being blasted by vicious ice storms, a blockbuster report published in a prestigious scientific journal insists that the evidence shows that climate warming is both natural and unstoppable and that carbon dioxide (CO2) is not a pollutant.
Writing in the International Journal of Climatology of the Royal Meteorological Society, professor David H. Douglass (of the University of Rochester), professor John R. Christy (of the University of Alabama), Benjamin D. Pearson and professor S. Fred Singer (of the University of Virginia) report that observed patterns of temperature changes ("fingerprints") over the last 30 years disagree with what greenhouse models predict and can better be explained by natural factors, such as solar variability.
The conclusion is that climate change is "unstoppable" and cannot be affected or modified by controlling the emission of greenhouse gases, such as CO2, as is proposed in current legislation.
According to Dr. Douglass: �The observed pattern of warming, comparing surface and atmospheric temperature trends, does not show the characteristic fingerprint associated with greenhouse warming. The inescapable conclusion is that the human contribution is not significant and that observed increases in carbon dioxide and other greenhouse gases make only a negligible contribution to climate warming.�
One of his co-authors, Dr. John Christy, added: �Satellite data and independent balloon data agree that atmospheric warming trends do not exceed those of the surface. Greenhouse models, on the other hand, demand that atmospheric trend values be 2-3 times greater.
"We have good reason, therefore, to believe that current climate models greatly overestimate the effects of greenhouse gases. Satellite observations suggest that GH models ignore negative feedbacks, produced by clouds and by water vapor, that diminish the warming effects of carbon dioxide.�
And the third co-author, Dr. S. Fred Singer, said: �The current warming trend is simply part of a natural cycle of climate warming and cooling that has been seen in ice cores, deep-sea sediments, stalagmites, etc., and published in hundreds of papers in peer-reviewed journals.
"The mechanism for producing such cyclical climate changes is still under discussion; but they are most likely caused by variations in the solar wind and associated magnetic fields that affect the flux of cosmic rays incident on the earth�s atmosphere.
"In turn, such cosmic rays are believed to influence cloudiness and thereby control the amount of sunlight reaching the earth�s surface� and thus the climate.
"Our research demonstrates that the ongoing rise of atmospheric CO2 has only a minor influence on climate change. We must conclude, therefore, that attempts to control CO2 emissions are ineffective and pointless � but very costly."
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