Vienna Convention

The Vienna Convention for the Protection of the Ozone Layer and its Montreal Protocol on Substances that Deplete the Ozone Layer are dedicated to the protection of the earths ozone layer. With 197 parties, they are the most widely ratified treaties in United Nations history, and have, to date, enabled reductions of over 97% of all global consumption of controlled ozone depleting substances (measured in ODP tonnes).

Topics:

Ozone-depleting substance (ODS), Ozone Layer, Ozone Depleting Potential, Sustainable Consumption and Production

Entry into force:

22 Sep 1988

Treaty website URL:

Visit website

Online course:

Introductory Course to the International Legal Framework on Ozone Depletion

Number of parties:

197

Source of information: Vienna Convention website .
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