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United Nations Environment Programme ,  [Bhutan Prime Minister signs Compact on Ozone Protection to reduce use of ODS by 20 percent] ,  Bhutan Prime Minister signs Compact on Ozone Protection to reduce use of ODS by 20 percent

United Nations Environment Programme ,  [Pakistan Learns from China about HCFCs Alternatives] ,  Pakistan Learns from China about HCFCs Alternatives

United Nations Environment Programme ,  World Meteorological Organization ,  [Ozone Layer on Track to Recovery: Success Story Should Encourage Action on Climate, 10 September 2014] ,  Ozone Layer on Track to Recovery: Success Story Should Encourage Action on Climate, 10 September 2014

United Nations Environment Programme ,  International Peace Research Institute ,  USSR Acadamv of Sciences ,  Ecoforum for Peace (Sofia) ,  [Environmental Security: A Report Contributing to the Concept of Comprehensive International Security] ,  Environmental Security: A Report Contributing to the Concept of Comprehensive International Security

United Nations Environment Programme ,  [Montreal Protocol on Substances that Deplete the Ozone Layer: UNEP 2006 Report of the Methyl Bromide Technical Options Committee] ,  Montreal Protocol on Substances that Deplete the Ozone Layer: UNEP 2006 Report of the Methyl Bromide Technical Options Committee

United Nations Environment Programme ,  [Towards a Pollution-free Planet - Our Planet December 2017] ,  Towards a Pollution-free Planet - Our Planet December 2017