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United Nations Environment Programme ,  [Environmental Guidelines for the Motor Vehicle and its Use - UNEP Industry & Environment Guidelines Series, Volume 2] ,  Environmental Guidelines for the Motor Vehicle and its Use - UNEP Industry & Environment Guidelines Series, Volume 2

United Nations Environment Programme ,  World Meteorological Organization ,  United States Environmental Protection Agency EPA ,  National Oceanic and Atmospheric Administration ,  [Global Atmospheric Background Monitoring for Selected Environmental Parameters: BAPMoN Data Volume I: Atmospheric Aerosol Optical Depth] ,  Global Atmospheric Background Monitoring for Selected Environmental Parameters: BAPMoN Data Volume I: Atmospheric Aerosol Optical Depth

United Nations Environment Programme ,  Peace Child International ,  [Pachamama: Our Earth, Our Future] ,  Pachamama: Our Earth, Our Future

United Nations Environment Programme ,  World Health Organization ,  [Assessment of Urban Air Quality] ,  Assessment of Urban Air Quality

United Nations Environment Programme ,  [Environmental Guidelines for the Direct Reduction Route to Steel Making] ,  Environmental Guidelines for the Direct Reduction Route to Steel Making

United Nations Environment Programme ,  [The Impact of Ozone-Layer Depletion - UNEP/GEMS Environment Library No. 7] ,  The Impact of Ozone-Layer Depletion - UNEP/GEMS Environment Library No. 7

United Nations Environment Programme ,  World Health Organization ,  [Sulfur Oxides and Suspended Particulate Matter - Environmental Health Criteria 8] ,  Sulfur Oxides and Suspended Particulate Matter - Environmental Health Criteria 8

World Health Organization ,  United Nations Environment Programme ,  [Climate Change and Human Health: An Assessment prepared by a Task Group on behalf of the World Health Organization, the World Meteorological Organization and the United Nations Environment Programme] ,  Climate Change and Human Health: An Assessment prepared by a Task Group on behalf of the World Health Organization, the World Meteorological Organization and the United Nations Environment Programme

United Nations Environment Programme ,  [Dispute Avoidance and Dispute Settlement in International Environmental Law: Compilations of Documents] ,  Dispute Avoidance and Dispute Settlement in International Environmental Law: Compilations of Documents

United Nations Environment Programme ,  [Unlocking trade in environmentally sound technologies to tackle air pollution] ,  Unlocking trade in environmentally sound technologies to tackle air pollution