Artur Runge-Metzger, Head of Unit ‘Climate, Ozone and Energy', DG Environment of the European Commission speaks in a press conference during the United Nations Framework Convention on Climate Change (UNFCCC), on November 29, 2010 in Cancun, Mexico in the framework of the UN Climate Change summit. Representatives from 194 countries are to meet in the Mexican resort city of Cancun from November 29 to December 10 in a UN climate summit. AFP PHOTO/Hector GUERRERO