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… pollution, the Convention has widened its scope since its entry into force in 1983. Initially focused on problems of acidification …

… determined ambient air quality standards, taking into account the World Health Organization Air Quality … and the European Community. The Convention entered into force in 1983 and currently has 51 Parties, including the … December 2010. In line with article 14, paragraph 3, the entry into force of the amendments to the text of the …