Sri Lanka President Mahinda Rajapaksa has left the country for Rome to attend a high-level conference on world food security. President Rajapaksa is to participate in the High-Level Conference on World Food Security and the Challenges of Climate Change and Bioenergy to be held in Rome, Italy from June 3-5, 2008 on an invitation from the United Nations Food and Agriculture Organization (FAO). The High-Level Conference, open only to the invited participants will address food security and poverty reduction in the face of climate change and energy security.