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"The 1998 hockey stick was a totem of debates over man-made global warming.
The graph - indicating that Northern Hemisphere temperatures had been roughly constant for 1,000 years (the 'shaft' of the stick) before turning abruptly upwards in the industrial age - featured prominently in the Intergovernmental Panel on Climate Change's (IPCC) 2001 assessment."
Monday, September 01, 2008
BBC NEWS | Science/Nature | Climate 'hockey stick' is revived
BBC NEWS | Science/Nature | Climate 'hockey stick' is revived:
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