[Barcelona, November 2. Image via Getty]

Environmental group World Wildlife Fund (WWF) activist performs for a protest during a UN conference in Barcelona on November 2, 2009. Representatives of some 180 countries kick off five days of climate talks today, the last UN session before a December conference in Copenhagen tasked with beating back the planetary threat of global warming. AFP PHOTO/JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)