RT null T1 Report of the Tenth Meeting of the Ozone Research Managers of the Parties to the Vienna Convention for the Protection of the Ozone Layer - WMO Global Ozone Research and Monitoring Project Report No. 57 A1 World Meteorological Organization, A1 United Nations Environment Programme, K1 ozone layer K1 climate change K1 hydrofluorocarbon K1 environmental monitoring K1 satellite monitoring K1 Africa K1 Asia K1 South America K1 North America K1 Antarctica K1 Polar region K1 Antarctic YR 2017 FD 2017 LK https://wedocs.unep.org/handle/20.500.11822/32016 UL https://wedocs.unep.org/handle/20.500.11822/32016 NO This report documents the proceedings and outcomes of the tenth meeting of ozone research managers convened under the Vienna Convention for the Protection of the Ozone Layer. It reviews ongoing national and international activities related to monitoring, research, and data management concerning atmospheric ozone and ultraviolet radiation. The document outlines presentations and discussions on observation systems, satellite and ground-based measurement networks, modelling approaches, and long-term datasets used to analyse ozone variability and recovery. It also compiles national reports describing monitoring infrastructure, measurement methods, data dissemination practices, and research programmes. The report highlights coordination among scientific institutions and international programmes, emphasising sustained observations, improved data quality, capacity development, and strengthened collaboration to support assessments of ozone changes and their interaction with climate processes. DS UN Environment Document Repository RD Sep 18, 2026