No Proof of Man-Made Climate Change, Says Greenpeace Co-founder

By:  Jack Kenny
02/27/2014
       
No Proof of Man-Made Climate Change, Says Greenpeace Co-founder

There is no scientific proof of man-made climate change, a co-founder of Greenpeace told a committee of the U.S. Senate, rebutting claims made by environmental activists, prominent politicians, and a steady stream of media reports of a nearly unanimous "consensus" among scientists about "overwhelming" evidence that man-made emissions of greenhouse  gases — mainly carbon dioxide — are responsible for global warming.

"There is no scientific proof that human emissions of carbon dioxide (CO2) are the dominant cause of the minor warming of the Earth's atmosphere over the past 100 years," Patrick Moore said in his prepared remarks to members of the Senate Environment and Public Works Committee Tuesday. A Canadian ecologist and business consultant, Moore was a co-founder of the environmental activist group Greenpeace as a Ph.D. student in 1971. Moore left the group in 1986, after it made what he described as a "sharp turn to the political left " and began espousing policies he could not longer support, though opposition to global warming was not then among them.

"Climate change was not an issue when I abandoned Greenpeace, but it certainly is now," Moore said. But increases in the earth's surface and atmospheric temperatures are nothing new, he reminded the senators, as he noted little correlation between increases in carbon dioxide emissions and a heating of the planet. The Intergovernmental Panel on Climate Change, he noted, has declared it "extremely likely that human influence has been the dominant cause of the observed warming trend since the mid-20th century. "

"'Extremely likely' is not a scientific term but rather a judgment as in a court of law," Moore said. "The IPCC defines 'extremely likely' as a '95-100% probability.' But upon further examination it is clear that these numbers are not the result of any mathematical calculation or statistical analysis. They have been 'invented' as a construct within the IPCC report to express 'expert judgment', as determined by the IPCC contributors." Projections based on "sophisticated computer models" have led to warnings of dire consequences from anticipated increases in temperatures worldwide, Moore said. The historical record suggests otherwise, he argued.

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