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United Nations Environment Programme[Handbook for the International Treaties for the Protection of the Ozone Layer Sixth Edition: The Vienna Convention (1985); The Montreal Protocol (1987)]Handbook for the International Treaties for the Protection of the Ozone Layer Sixth Edition: The Vienna Convention (1985); The Montreal Protocol (1987)

United Nations Environment Programme[Green Economy in a Blue World: Synthesis Report]Green Economy in a Blue World: Synthesis Report

United Nations Environment Programme[Ozzy ozone Defender of Our Planet - Issue No. 3: Oozzy Goes Polar]Ozzy ozone Defender of Our Planet - Issue No. 3: Oozzy Goes Polar

United Nations Environment Programme[GEO Year Book 2004/5: An Overview of Our Changing Environment]GEO Year Book 2004/5: An Overview of Our Changing Environment

United Nations Environment Programme[Compilation of Internationally Agreed Environmental Goals and Objectives]Compilation of Internationally Agreed Environmental Goals and Objectives

United Nations Environment Programme[The UNEP Year Book 2008]The UNEP Year Book 2008

United Nations Environment Programme[Ozzy ozone Defender of Our Planet - Issue No. 4: Ozzy Goes Island Hopping]Ozzy ozone Defender of Our Planet - Issue No. 4: Ozzy Goes Island Hopping

United Nations Environment Programme[Tourism and biodiversity: mapping tourism's global footprint]Tourism and biodiversity: mapping tourism's global footprint

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