Former U.S. Vice President Gore smiles during the Inmas Forum (integrated management systems) Preventia 2007 at Palau de congressos in Barcelona

Former U.S. Vice President Al Gore Jr. smiles during the Inmas Forum (integrated management systems) Preventia 2007 at Palau de congressos in Barcelona, October 23, 2007. REUTERS/Gustau Nacarino (SPAIN)