The Executive Secretary of United Nations Framework Convention on Climate Change( UNFCCC), Christiana Figuere the libere speech during opening ceremony the COP16 United Nations Climate Change Conference on November 29, 2010 in Cancun, Mexico. Representatives from 194 countries are to meet in this Mexican resort city from November 29 to December 10., Mexico on November 27, 2010. AFP PHOTO/Hector GUERRERO