Riyadh declaration: Third Summit of Heads of States and Government of OPEC Member Countries, 18 November 2007 (Riyadh, Saudi Arabia) Corporate author Heads of State and Government of OPEC Member Countries Date 2009 Source IUCN (ID: MON-082372) Publisher | Place of publication Oceana Publications | New York, NY, USA Pages 5 p. Document type Soft law - Declaration/recommendation Language English Field of application International Subject Energy Keyword Renewable energy Sustainable development