Scientific Assessment of Ozone Depletion: 2018

2018 Assessment cover

The 2018 WMO/UNEP assessment contains the most up-to-date understanding of ozone depletion, reflecting the thinking of hundreds of international scientific experts who contribute to its preparation and review. Cochairs of the 2018 Scientific Assessment Panel (SAP) of the Montreal Protocol on Substances that Deplete the Ozone Layer are Dr. David W. Fahey of the NOAA Earth System Research Lab (ESRL) Chemical Sciences Division, USA, Dr. Paul A. Newman of the NASA Goddard Space Flight Center, USA, Dr. John A. Pyle of the University of Cambridge, UK, and Dr. Bonfils Safari of the National University of Rwanda, Butare. Sarah Doherty of the University of Washington, USA is the Assessment Coordinator. Other members of ESRL are making substantial contributions to the report, serving as coauthors, contributors, reviewers, and editorial and support staff.

The Scientific Assessment of Ozone Depletion: 2018 contains the 2018 core assessment report, with the Executive Summary PDF file and Twenty Questions and Answers on the Ozone Layer PDF file update booklets.



Executive Summary PDF file released 5 November 2018

The core assessment report released 4 February 2019

Twenty Questions and Answers on the Ozone Layer PDF file update expected early 2019