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