From: ralph@eddlewood.demon.co.uk   
      
   In message , David V.   
    writes   
   >ralph wrote:   
   >> Investigation of ice cores from the Antarctic shows close   
   >> correlations between temperatures and concentrations of   
   >> greenhouse gases (carbon dioxide, methane and nitrous oxide).   
   >> ....   
   >   
   >What's the major "greenhouse" gas? I was left off of your list.   
      
   I'm sorry, David, I don't understand your question. CO2 is the one   
   causing most concern, although I believe methane, cc for cc, has a   
   greater effect. Is that what you wanted to know?   
      
   --   
   ralph   
      
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