Yvo de Boer (L), executive secretary of the UN Framework Convention on Climate Change, addresses the latest round of UN climate change talks in Barcelona, Spain, Nov. 2, 2009. The meeting is the fifth and also the last UN session this year before December's climate change conference in Copenhagen tasked with sealing a new deal on climate change to replace the Kyoto Protocol, the existing binding deal fighting climate change that expires in 2012.[Xinhua]