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… Adopted 35 years ago, it is the oldest of the UNECE environmental conventions as well as the first international … across a wide range of sectors, some of the region’s major environmental problems have been successfully addressed. This … SOx Sulphur oxides SOMA Sulphur oxides management area STP Standard temperature (0° C) and pressure (1.013 x 105 Pa) 10 …

… Site: UNITED NATIONS INFORMATION PORTAL ON MULTILATERAL ENVIRONMENTAL AGREEMENTS Course:Introductory Course on the … generate the majority of these gases and the resulting environmental problems. Emissions of SO and NO originate from … or even thousands of kilometres. Consequently, the environmental impacts from air pollution may occur in areas …