This set of charts was part of an article by James E. Hansen at the Goddard Institute for Space Studies. Hansen's team argued that the bottom right image best reflected the behavior of the real Earth—with ocean mixing to 1,000 meter depth, solar irradiance, volcanic dust and aerosols, and CO2 all playing roles. The Marshall Institute's version included only the top left portion of the diagram, leaving the impression that CO2 didn't matter. Source: Naomi Oreskes - Merchants of Doubt, chapter 6: The Denial of Global Warming, section: Blaming the Sun.
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