Scientific Assessment of Ozone Depletion: 2026 Executive Summary
Reimann, S. and L. Western, Coordinating Lead Authors, Chapter 2: Hydrofluorocarbons (HFCs)
An, M. et al., Co-Authors, Chapter 1: Ozone-Depleting Substances (ODSs) and Other Gases of Interest to the Montreal Protocol (2026)
World Meteorological Organization (WMO), GAW Report No. 327, 55 pp.; WMO: Geneva
Abstract / Summary:
Preface: The 2026 Scientific Assessment of Ozone Depletion is the latest in a series prepared by the Scientific Assessment Panel (SAP) of the Montreal Protocol on Substances that Deplete the Ozone Layer under the auspices of the World Meteorological Organization (WMO) and the United Nations Environment Programme (UN Environment). The assessment reports contain relevant information for decisions of the Parties to the Montreal Protocol regarding controls on the production and consumption of ozone-depleting substances (ODSs) and their replacements to protect the stratospheric ozone layer and climate.
Citation:
Reimann, S. and L. Western, Coordinating Lead Authors, Chapter 2: Hydrofluorocarbons (HFCs) An, M. et al., Co-Authors, Chapter 1: Ozone-Depleting Substances (ODSs) and Other Gases of Interest to the Montreal Protocol (2026): Scientific Assessment of Ozone Depletion: 2026 Executive Summary. World Meteorological Organization (WMO), GAW Report No. 327, 55 pp.; WMO: Geneva (https://ozone.unep.org/sites/default/files/2026-10/OA2026ExecSummary.pdf)