× Information on this section of ECOLEX comes from the InforMEA Portal which compiled information from MEA Secretariats with the support of the European Union. The accuracy of the information displayed is the responsibility of the originating data source. In case of discrepancy the information as displayed on the respective MEA website prevails. Decision XXXVII/17: Status of ratification of the Kigali Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer Document type Decision Reference number XXXVII/17 Date Nov 7, 2025 SourceUNEP, InforMEA Status Active Subject Waste & hazardous substances, Air & atmosphere Treaty Montreal Protocol on Substances that Deplete the Ozone Layer (Sep 16, 1987) Meeting Thirty-Seventh Meeting of the Parties Website ozone.unep.org Abstract The Thirty-Seventh Meeting of the Parties decides: To note that, as at 7 November 2025, 169 parties had ratified, approved or accepted the Kigali Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer; To urge all parties that have not yet done so to ratify, approve or accept the Kigali Amendment in order to ensure broad participation and achieve the goals of the Amendment.