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United Nations Environment Programme ,  [Environment for development: policy lessons from Global Environmental Assessments Report for UNEP] ,  Environment for development: policy lessons from Global Environmental Assessments Report for UNEP

United Nations Environment Programme ,  [IPCC special report, aviation and the global atmosphere] ,  IPCC special report, aviation and the global atmosphere

United Nations Environment Programme ,  [World resources 2002-2004 : decisions for the earth : balance, voice, and power] ,  World resources 2002-2004 : decisions for the earth : balance, voice, and power

United Nations Environment Programme ,  [GESAMP: Pollutant Modification of Atmospheric and Oceanic Processes and Climate: Some Aspects of the Problem - UNEP Regional Seas Reports and Studies No. 117] ,  GESAMP: Pollutant Modification of Atmospheric and Oceanic Processes and Climate: Some Aspects of the Problem - UNEP Regional Seas Reports and Studies No. 117

United Nations Environment Programme ,  [A guide to world resources 2002-2004: decisions for the earth] ,  A guide to world resources 2002-2004: decisions for the earth