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Old 08-23-2013, 04:15 PM   #121

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Originally Posted by W*GS View Post
Pre-industrial CO2: ~280 ppm
Current CO2: ~400 ppm
% change = (400-280)/280 = ~43%.

What are your numbers?
Pre-Industrial CO2 + H2O: ~400,280 ppm
Current CO2 + H2O: ~400,400 ppm
% change = (400,400-400,280)/400,280 = ~00.03%

And yes, I realize that the greenhouse capacity of CO2 and H2O are different. But as I've said earlier. CO2 isn't the major driver of the greenhouse effect. Water is. And you can't pretend like CO2 in the atmosphere lives by itself as some sort of global thermostat.
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