Twenty years on and five years in Author Sandbrook R. Monograph Yearbook of international co-operation on environment and development Date 1998 Source IUCN (ID: ANA-063506) Publisher | Place of publication Earthscan Publications Ltd | London, UK Pages 19 - 22; 4 p. Document type Chapter in monography Language English Field of application International Subject Environment gen. Keyword Policy/planning Sustainable development International relations/cooperation