3 June 2008, Rome - FAO Director-General Jacques Diouf greeting S.E. Monsieur Sidi Mohamed Ould Cheikh Abdallah, Président de la République islamique de Mauritanie. High-Level Conference on World Food Security: the Challenges of Climate Change and Bioenergy. Food and Agriculture Organization of the United Nations (FAO), Rome, 3-5 June 2008.