00775cam a2200217 a 4500 2831700744 DLC 304 IUC 1991 C149 Or. Caring for the earth : Gland, Switzerland : IUCN--the World Conservation Union : United Nations Environment Programme : World Wide Fund for Nature, c1991. iv, 228 p. ; 27 cm. Accompanied by: Summary. 24 p. ; 27 cm. Human ecology. Sustainable development. Nature conservation. Sustainable living. International Union for Conservation of Nature and Natural Resources. United Nations Environment Programme. World Wide Fund for Nature. AEDBB 18611 18611 0 0 0 304_000000000000000_IUC_1991_C149_OR 0 82955 LBC LBC C149 2019-12-25 A38754 304 IUC 1991 C149 Or. 2019-12-25 2019-12-25 EK