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Mr. Vice President,

Global temperatures over the past ten years have not continued to rise (many argue they've fallen) despite steady increases in atmospheric CO2. Granting room for natural variation, how many additional years of flat or cooling temperatures would it take for you, personally, to begin to doubt a causal connection? Would it take another 5 years, 10, 20, 100? At what point would you begin to doubt?  

posted 2 years, 6 months ago
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