Asean Declaration on Environmental Sustainability; The 13th Asean Summit and related meetings, 20 November 2007 (Shangri-La, Singapore) Corporate author The 13th Asean Summit Date 2008 Source IUCN (ID: MON-083321) Publisher | Place of publication Oceana Publications | New York, NY, USA Pages 6 p. Document type Soft law - Declaration/recommendation Language English Field of application International Subject Environment gen. Keyword Sustainable development Geographical area Asia