Nasa Embarrased by Amateur

An amateur meteorologist from Toronto has embarrassed NASA scientists by catching an error in recent climate-change data. The resulting flap has led to accusations and finger-pointing over whether NASA's error was genuine.

blogger Stephen McIntyre's calculations, climatologists at NASA's Goddard Institute of Space Science (GISS) in New York now concede that 1934 was the hottest year in U.S. history, and not 1998 as it previously reported.

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