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     Hurricane and cyclone activity in the northern hemisphere is at a 24-year low.
 
     Hurricane and cyclone activity in the northern hemisphere is at a 24-year low.
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Also in discussion of the biased AP report, Michael R. Fox, a retired nuclear scientist and chemistry professor from the University of Idaho says, "There is little evidence to believe that man-made carbon dioxide is causing temperature fluctuation. Other factors, including sun spots, solar winds, variations in the solar magnetic field and solar irradiation, could all be affecting temperature changes."
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Also in discussion of the biased AP report, Michael R. Fox, a retired nuclear scientist and chemistry professor from the University of Idaho says, "There is little evidence to believe that man-made carbon dioxide is causing temperature fluctuation. Other factors, including sun spots, solar winds, variations in the solar magnetic field and solar irradiation, could all be affecting temperature changes."  
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However, Ruddiman states that sun-spot activity could only explain one tenth to half of the temperature increase observed over the past century. <ref> Ruddiman (2000) Earth's Climate: Past and Future. W.H. Freeman and Company, New York</ref>
    
Richard S. Courtney, a U.N. Intergovernmental Panel on Climate Change (IPCC) expert reviewer and a U.K.-based climate and atmospheric science consultant says  "Rubbish! Global warming is not 'accelerating," and "...that anybody who proclaims that 'Global warming is accelerating' is a liar, a fool, or both." <ref>[http://www.newsmax.com/brennan/global_warming_debunked/2008/12/16/162489.html Global Warming’s Last Gasp] NewsMax, December 17, 2008</ref>
 
Richard S. Courtney, a U.N. Intergovernmental Panel on Climate Change (IPCC) expert reviewer and a U.K.-based climate and atmospheric science consultant says  "Rubbish! Global warming is not 'accelerating," and "...that anybody who proclaims that 'Global warming is accelerating' is a liar, a fool, or both." <ref>[http://www.newsmax.com/brennan/global_warming_debunked/2008/12/16/162489.html Global Warming’s Last Gasp] NewsMax, December 17, 2008</ref>
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