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RETFORD, UNITED KINGDOM - NOVEMBER 30: The coal fuelled Cottam power station generates electricity on November 30, 2009 in Retford, Nottinghamshire, United Kingdom. As world leaders prepare to gather for the Copenhagen Climate Summit in December, the resolve of the industrial nations seems to be weakening with President Obama stating that it would be impossible to reach a binding deal at the summit. Climate campaigners are concerned that this disappointing announcement is a backward step ahead of the summit. (Photo by Christopher Furlong/Getty Images)

RETFORD, UNITED KINGDOM - NOVEMBER 30:  The coal fuelled Cottam power station generates electricity on November 30, 2009 in Retford, Nottinghamshire, United Kingdom. As world leaders prepare to gather for the Copenhagen Climate Summit in December, the resolve of the industrial nations seems to be weakening with President Obama stating that it would be impossible to reach a binding deal at the summit. Climate campaigners are concerned that this disappointing announcement is a backward step ahead of the summit.  (Photo by Christopher Furlong/Getty Images)