Global environment outlook : GEO-4 : Environment for development Corporate author UNEP Date 2007 Source IUCN (ID: MON-080702) Publisher | Place of publication UNEP | Nairobi, Kenya ISBN 978-92-807-2836-1 Pages 540 p. Document type Document of international organization Language English Field of application International Subject Sea, Environment gen., Land & soil, Air & atmosphere, Wild species & ecosystems, Water Keyword Policy/planning Comprehensive description Sustainable development