Solar Output Identified As Contributing to Global Warming

The new study is based in part on Columbia University research from 2003 in which scientists found errors in how data on solar brightness is interpreted.

Published: 03-Oct-2005

Increased solar output contributed to at least 10 to 30 per cent of global warming from 1980 to 2002, two Duke University physicists report.

The study does not discount the theory that greenhouse gases contribute to global warming, stressed Nicola Scafetta and Bruce West, whose findings were published online in the research journal Geophysical Research Letters.

"Those gases would still give a contribution, but not so strong as was thought," Scafetta said in a written statement.

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