"Twenty Questions and Answers About the Ozone Layer: 2018 Update" was released today. The document is part of the Scientific Assessment of Ozone Depletion report issued by the World Meteorological Organization, the United Nations Environment Programme, NOAA, NASA, and the European Commission. Lead author is AOSC Prof. Ross Salawitch. Co-authors include Laura A. McBride (UMD Dept. of Chemistry and Biochemistry) and Walter R. Tribett (AOSC).