Chimney stacks are seen at American Electric Power's coal power plant in New Haven, West Virginia. Yvo de Boer, executive secretary of the UN Framework Convention on Climate Change, has said on post-Copenhagen talks fall-out that "all this finger-pointing and recrimination" could cloud fresh attempts next year for sealing a post-2012 pact on tackling global warming.
(AFP/File/Saul Loeb)