Call for Action: Regime shift in Antarctic sea ice urgently demands comprehensive observational snapshot

Moved by the latest advances presented at the ICTP’s School on Polar Climates: Theoretical, Observational and Modelling Advances (co-sponsored by CliC), along with evidence that Antarctic sea ice is on track to a second winter of extreme sea-ice deficit following from the one in winter 2023, participants including the world’s leading polar experts released a call for international action and commitment for Antarctica InSync.