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United Nations Environment Programme ,  [The State of the Environment 1986: Environment and Health] ,  The State of the Environment 1986: Environment and Health

United Nations Environment Programme ,  [The State of the World Environment 1987] ,  The State of the World Environment 1987

United Nations Environment Programme ,  [The State of the World Environment 1989 - UNEP/GC.15/7/Add.2] ,  The State of the World Environment 1989 - UNEP/GC.15/7/Add.2

United Nations Environment Programme ,  [Review of the Montevideo Programme for the Development and Periodic Review of Environmental Law 1981- 1991] ,  Review of the Montevideo Programme for the Development and Periodic Review of Environmental Law 1981- 1991

United Nations Environment Programme ,  [En Defensa de la Tierra: Los Documentos Básicos Sobre el Medio Ambiente] ,  [In Defence of the Earth: The Basic Texts on Environment - Executive Series 1] ,  In Defence of the Earth: The Basic Texts on Environment - Executive Series 1

United Nations Environment Programme ,  [Report on Non-Government Organization Activities on Environmental Issues Related to UNEP Programmes: Prepared for the Seventh Governing Council of the United Nations Environment Programme] ,  Report on Non-Government Organization Activities on Environmental Issues Related to UNEP Programmes: Prepared for the Seventh Governing Council of the United Nations Environment Programme

United Nations Educational, Scientific and Cultural Organization ,  United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  [Tropical Forest Ecosystems: A State-of-Knowledge Report - Natural Resources Research XIV] ,  Tropical Forest Ecosystems: A State-of-Knowledge Report - Natural Resources Research XIV

United Nations Environment Programme ,  United Nations Educational, Scientific and Cultural Organization ,  [Teaching for a Sustainable World] ,  Teaching for a Sustainable World