re: 99.999% likelihood GW is man made.

quote:

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30 years...out of BILLIONS of years of the Earth's paleoclimatic history.

Definitely a valid sample for statistical purposes.

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Exactly, the 18 year pause.... how can someone think 18 years out of billions is enough to conclude anything. Now 30.... somewhere between 18 and 30 we go from zilch evidence to 99.99999999% percent.