29 July 2022
The Montreal Protocol on Substances that Deplete the Ozone Layer not only protects the Earth's ozone layer, but also protects our climate through the adoption of the Kigali Amendment for the regulation of hydrofluorocarbons (HFCs).
CSL Director David Fahey, co-chair of the Montreal Protocol Scientific Assessment Panel, helped lead the 2022 Scientific Assessment of Ozone Depletion final author team meeting in Geneva, Switzerland from 25-29 July. Attendees, including ESRL scientists and staff, discussed and finalized the assessment's Executive Summary to be released by the Ozone Secretariat this fall.
The 2022 Scientific Assessment of Ozone Depletion is the 10th in the series. For each quadrennial assessment, CSL (and formerly the Aeronomy Laboratory) has assumed the large responsibilities of coordinating the assessment process (e.g., co-chair, author, and reviewer communication, assembling draft versions, meeting planning) and producing the final documents (main document, executive summary and 20 Questions and Answers), which involves editing, layout, printing, and distributing.