Thursday, March 18, 2004
SignOnSanDiego.com > News > Science -- Early warming: "The origins of human-influenced climate change may be traced back 5,000 years
By Richard Lovett
March 17, 2004
Global warming is usually presumed to be a modern problem: a byproduct of the Industrial Revolution and its intensive use of carbon dioxide-producing fossil fuels. But humans have been changing the earth's climate for thousands of years, says William Ruddiman, an emeritus professor of environmental sciences from the University of Virginia. And the changes have been substantial."
By Richard Lovett
March 17, 2004
Global warming is usually presumed to be a modern problem: a byproduct of the Industrial Revolution and its intensive use of carbon dioxide-producing fossil fuels. But humans have been changing the earth's climate for thousands of years, says William Ruddiman, an emeritus professor of environmental sciences from the University of Virginia. And the changes have been substantial."
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