RT null T1 OzoNews VolXVII - 15 October 2017 A1 United Nations Environment Programme, K1 ozone K1 ozone-depleting substance K1 ozone layer K1 Ozone YR 2017 FD 2017 LK https://wedocs.unep.org/handle/20.500.11822/26735 UL https://wedocs.unep.org/handle/20.500.11822/26735 NO In this issue : 1. Ozone Layer Recovery Could be Delayed by 30 Years 2. Smaller Ozone Hole Observed in September 2017 3. ESA launches Sentinel-5P to track pollution daily 4. The Gambia is Moving Towards NatRefs 5. Inédito centro permitirá a Chile reciclar sustancias que dañan la Capa de Ozono 6. Variety of Chemical Threats to Ozone Layer Being Observed DS UN Environment Document Repository RD Sep 19, 2026