Senator Ed Markey off-base on climate model certainty

“My experience teaching climate models for the past decade convinces me that Kathleen was right when she said in the hearing: “The extent to which (temperature has risen in response to industrial carbon dioxide) is uncertain.”  This is in large part both because global temperature has been rising steadily, rebounding from a down-turn, since well before industrial gasses were an issue and because a number of natural, decades-long natural fluctuations in temperature, such as the North Atlantic Oscillation and the Pacific Oscillation and its cousin El Niῇo, are so poorly understood and measured.” click here

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