A new U.S. Senate report documents hundreds of prominent scientists – experts in dozens of fields of study worldwide – who say global warming and cooling is a cycle of nature and cannot legitimately be connected to man's activities.
"Of course I believe in global warming, and in global cooling – all part of the natural climate changes that the Earth has experienced for billions of years, caused primarily by the cyclical variations in solar output," said research physicist John W. Brosnahan, who develops remote-sensing instruments for atmospheric science for clients including the National Oceanic and Atmospheric Administration and NASA.
However, he said, "I have not seen any sort of definitive, scientific link to man-made carbon dioxide as the root cause of the current global warming, only incomplete computer models that suggest that this might be the case.
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The report compiled observations from more than 400 prominent scientists from more than two dozen nations who have voiced objections to claims of a "consensus" on "man-made global warming."
Many of the scientists are current or former participants in the United Nation's Intergovernmental Panel on Climate Change, whose present officials, along with former Vice President Al Gore, have asserted a definite connection.
The new report, which comes from the Senate Environment and Public Works Committee's office of the GOP ranking member, cites the hundreds of opinions issued just this year asserting global warming and man's activities are unrelated.
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