Head of the U.N. Climate Change Secretariat Yvo de Boer attends a news conference during the Barcelona Climate Change Talks, November 2, 2009. Time has almost run out to break deadlock on a U.N. climate deal supposed to be struck  in Copenhagen next month, the United Nations and Denmark warned negotiators at a final preparatory meeting on Monday. Reuters Pictures 3 months ago

Head of the U.N. Climate Change Secretariat Yvo de Boer attends a news conference during the Barcelona Climate Change Talks, November 2, 2009. Time has almost run out to break deadlock on a U.N. climate deal supposed to be struck in Copenhagen next month, the United Nations and Denmark warned negotiators at a final preparatory meeting on Monday.