Scientific Assessment Panel (SAP)

Scientific Assessment Panel (SAP)


The Scientific Assessment Panel (SAP) assesses the status of the depletion of the ozone layer and relevant atmospheric science issues. Pursuant to Article 6 of the Montreal Protocol on Substances that Deplete the Ozone Layer, a report is prepared every three or four years by the SAP which consists of hundreds of top scientists from around the world.

SAP reports
SAP September 2024: Report of the Scientific Assessment Panel in response to Decision XXXV/7: Emissions of HFC-23
SAP - Twenty Questions and Answers About the Ozone Layer: 2022 Update – Chinese language edition
SAP - Twenty Questions and Answers About the Ozone Layer: 2022 Update (Low resolution)
SAP - Twenty Questions and Answers About the Ozone Layer: 2022 Update (High resolution)
Scientific Assessment Of Ozone Depletion 2022
Scientific Assessment of Ozone Depletion 2022: Executive Summary
SAP - Report on the unexpected emissions of CFC-11
SAP - Twenty Questions and Answers About the Ozone Layer: 2018 Update
Scientific Assessment of Ozone Depletion: 2018 (Executive Summary)
Scientific Assessment of Ozone Depletion: 2018
Assessment for Decision-Makers - Scientific Assessment of Ozone Depletion: 2014
Scientific Assessment of Ozone Depletion 2014
SAP - Twenty Questions and Answers About the Ozone Layer: 2014 Update
Executive Summary of the Scientific Assessment of Ozone Depletion: 2010(WMO/UNEP)
Press Release, 16th September 2010: New Report Highlights Two-way Link between Ozone Layer and Climate Change
Twenty Questions and Answers About the Ozone Layer: 2010 Update
Scientific Assessment of Ozone Depletion: 2010
Press release - Geneva/Nairobi, 18 August 2006: New Report Projects Later Recovery of Ozone Layer But Early Signs of Mending Confirm Effectiveness of Montreal Protocol on Substances that Deplete the Ozone Layer
Background document: Executive Summary, Scientific Assessment of Ozone Depletion: 2006
Executive Summary of the Scientific Assessment of Ozone Depletion: 2006 (WMO/UNEP), 18 August 2006