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Published online 10 December 2003 | Nature | doi:10.1038/news031208-7
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Man has been changing climate for 8,000 years
Agriculture may have released huge amounts of greenhouse gases into atmosphere.
Humans began altering the climate 8,000 years ago, long before the industrial revolution, claims a leading climate scientist1.
Massive clearance and irrigation for agriculture released huge amounts greenhouse gases into the atmosphere, says William Ruddiman of the University of Virginia in Charlottesville.
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