re: True or False: climate change

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This is deflection from the point. You're back to focusing on CO2 exclusively, when the point was to gain perspective on the percentage of the atmosphere as a whole.

But seeing that you don't want to comprehend the insignificance of the percentage contributed to human activity, lets set a baseline for CO2.

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You're the one who asked the question about CO2. I answered. I'm not sure what "the atmosphere as a whole" is supposed to prove since N2, O2, and argon don't absorb infrared radiation. But you're doing exactly what I said you were doing and skipping over issues I've raised while rushing to raise more of your own before the original is answered to our mutual satisfaction.

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Of that 0.04% an estimated 3-4% of that is do to human activity.

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What is your source for this estimate?