IISD Reporting Services, through its Earth Negotiations Bulletin (ENB) Meeting Coverage, produced a summary and analysis report from the 11th Meeting of the Conference of the Parties to the Vienna Convention for the Protection of the Ozone Layer (COP 11) and the 29th Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer (MOP 29), which meet from 20 to 24 November 2017, at the headquarters of the International Civil Aviation Organization (ICAO), in Montreal, Canada