James Hansen’s 1988 testimony after 30 years. How did he do?

YaleClimateConnections
Published on Jun 20, 2018

James Hansen is known as the “Father of Global Warming”, chiefly because of his 1988 testimony before the U.S. Senate, in which he announced that “… the greenhouse effect has been detected, and is changing our climate now.” 30 years later, Peter Sinclair asked senior climate scientists how those predictions have held up.

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