My knee is slowing down about this global warming thing

[Utah]

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I honestly want to know what would convince you guys that man-made global warming is actually occurring? What kind of evidence do you want/need?

[/ QUOTE ]I would be happy just to start with an accurate and verifiable temperature record for the last 100 years or so.

[Taraz]

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Then, if that is the case, then should CO2 not act as a buffer on the start of the cooling phases since CO2 lags? Thus, would not the slope during cooling be an inverted exponential function where the CO2 initially helps resist the cooling but then helps accelerate it as the CO2 drops?

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I would assume so, but I'm not that familiar with the models. There are more factors than just CO2 that affect warming and cooling. But more CO2 = higher temperatures and higher temperatures = more CO2. They feed back into each other.