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Greenhouse Warming Started Long Before Industrial RevolutionIt seems that early clearance of forests for agriculture released huge amounts of CO2 and kick-started the warming process. The author also puts forward a possible reason for the "Mini Ice Age" before the 1700s. http://www.newscientist.com/news/news.jsp?id=ns99994464 |
Posted by jimit11th December 2003ce Edited 12th December 2003ce
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