UNESCO 's Man and the Biosphere Programme: Two Decades of Sustainable Development Author Droste B.von Journal/Series Colorado Journal of International Environmental Law and Policy | Vol. 2(2); 295 - 302; 8 p. Date 1991 Source IUCN (ID: ANA-045933) Publisher | Place of publication University Press of Colorado | Niwot, CO, USA Language English Field of application International Subject Wild species & ecosystems Keyword Institutional profiles Protected area Sustainable development