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… political negotiations, including those on climate change, ozone depletion, and long-range transboundary air pollution. The … Montreal Protocol on Substances that Deplete the Ozone Layer.41 The 1992 United Nations Framework Convention on …

… concern, supported by scientific data, that air pollution, ozone depletion and climate change pose a threat to the atmosphere. … the present draft guidelines, (a) “Atmosphere” means the layer of gases surrounding the earth in the troposphere and …

… matter, including black carbon and tropospheric ozone, those pollutants should also be included in the scope … as long -distance, transcontinental air pollution, ozone depletion and climate change. In such cases, the chain of … The Vienna Convention for the Protection of the Ozone Layer and the United Nations Framework Convention on Climate …