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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 ,  [State of the Environment Report - 1980: The Kingdom of Saudi Arabia] ,  State of the Environment Report - 1980: The Kingdom of Saudi Arabia

United Nations Environment Programme ,  International Union for Conservation of Nature ,  [Review of the Initial Impact of the GEO-4 Report] ,  Review of the Initial Impact of the GEO-4 Report

United Nations Environment Programme ,  [GEO-6 for Youth Africa: A Wealth of Green Opportunities - Global Environment Outlook] ,  GEO-6 for Youth Africa: A Wealth of Green Opportunities - Global Environment Outlook

United Nations Environment Programme ,  Government of Germany ,  [Umweltpolitik Bilanz und Perspektiven] ,  Umweltpolitik Bilanz und Perspektiven

United Nations Environment Programme ,  [Legislación ambiental general en América Latina y el Caribe] ,  Legislación ambiental general en América Latina y el Caribe

Housrnan, Robert ,  [Reconciling Trade and the Environment: Lessons from the North American Free Trade Agreement - Environment and Trade 3] ,  Reconciling Trade and the Environment: Lessons from the North American Free Trade Agreement - Environment and Trade 3

United Nations Environment Programme ,  [UNEP in the Regions: Europe - Environment for Development] ,  UNEP in the Regions: Europe - Environment for Development

United Nations Environment Programme ,  [State of the Environment Report - 1980: Yemen Arab Republic] ,  State of the Environment Report - 1980: Yemen Arab Republic

United Nations Environment Programme ,  [Africa Environment Outlook: Policy and Action Recommendations for a Sustainable Future] ,  Africa Environment Outlook: Policy and Action Recommendations for a Sustainable Future