“If an increasing atmospheric CO2 concentration has a pronounced effect on Earth's temperature, why does Earth's temperature record from 1945 to 1979 and since 1998 not track the steadily increasing atmospheric CO2 concentration over these periods? Are other factors influencing climate and, if so, how can any sensible prediction be made? Are current predictions based mainly on only 20 years of warming from 1979 to 1998? ”
The Sunday Age 
James Barber
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