OPEC Secretary General Abdullah al-Badri (R) and International Energy Agency's Executive Director Nobuo Tanaka (2nd R) attend the International Energy Forum at a hotel in Rome April 21, 2008. Record high oil prices around $117 a barrel are slowing world economic growth, John Lipsky, first deputy managing director of the International Monetary Fund (IMF), told Reuters on Monday. REUTERS/Chris Helgren (ITALY)