The eleventh meeting of the Conference of the Parties to the Vienna Convention for the Protection of the Ozone Layer (COP 11)
The eleventh meeting of the Conference of the Parties to the Vienna Convention for
the Protection of the Ozone Layer (COP 11) and the twenty-ninth Meeting of the
Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer (MOP
29) met from 20-24 November 2017, in Montreal, Canada