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Convention for the Protection of the Ozone Layer (VIENNA Convention)
The Vienna Convention for the Protection of the Ozone Layer was adopted on 28 March 1985 and entered into force on 22 September 1988. The objectives of the Convention were for Parties to promote cooperation by means of systematic observations, research and information exchange on the effects of human activities on the ozone layer and to adopt legislative or administrative measures against activities likely to have adverse effects on the ozone layer. The Vienna Convention did not require countries to take concrete actions to control ozone depleting substances. Instead, in accordance with the provisions of the Convention, the countries of the world agreed the Montreal Protocol on Substances that Deplete the Ozone Layer under the Convention to advance that goal. The Montreal Protocol, and, by extension, the Vienna Convention are considered to be a considerably successful example of international multilateral cooperation.