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I believe you are right on that one. This is from the same professor at Georgia State. Be sure to go to his site to see his diagrams.


"This graphic was modeled after Collins, et al to depict the influences tending to drive the Earth's energy balance away from that which existed at the beginning of the industrial period. Since the net effect of human activity depicted here is a warming influence, this is the kind of quantitative analysis that is used to model global warming. The models that include the project effects of human activity do a better job of predicting the observed temperatures than do those with purely natural forcings."


http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/radfor.html#c1 

 

Are you sure you want to be quoting him as an authority on thermodynamics?


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