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If we have  been over it before, then you should be able to just cut and paste your description of how you understand the greenhouse effect to operate.


It is warmer at lower elevations due to pressure.  As I stated, the bottom of the troposphere of Uranus is 33K warmer than the bottom of the troposphere on earth even though Uranus is 30X further away from the sun and has an atmosphere composed almost entirely of hydrogen and helium.  There is no greenhouse effect at work there and yet, the bottom of the troposphere is 33K warmer there than here....and if you travel down into the atmosphere of Venus to an altitude where the atmospheric pressure is equal to that of earth, and compensate for the different amount of incoming solar radiation due to the differences in distances from the sun, the temperature there is nearly the same as here even though the atmosphere is almost entirely CO2. 


So again, describe the mechanics of the greenhouse effect as you understand it.  Then we can move on.


We can address the computer model after you have described the mechanics of the greenhouse effect as you understand it.


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