RT null T1 Solidarity and Partnerships: 20 Years of the Montreal Protocol - 4 years of the Regional Ozone Network for Europe & Central Asia A1 United Nations Environment Programme, K1 ozone-depleting substance K1 ozone layer YR 2007 FD 2007 LK https://wedocs.unep.org/handle/20.500.11822/35274 UL https://wedocs.unep.org/handle/20.500.11822/35274 NO Europe and Central Asian Network of Ozone Officers' (ECA network) collective achievements to comply with the Montreal Protocol on Substances that Deplete the Ozone Layer. In spite of challenging economic and political transformations that have affected thethe region over the last two decades, hard work, mutual support and partnership has enabled countries to collectively work to address this global environmental challenge. DS UN Environment Document Repository RD Sep 17, 2026