Southern Ocean ecosystems are critically important to regional biodiversity, global food security and ocean health. These ecosystems are under severe threat from climate change and other direct human impacts. This side event at COP27 brought together key scientific and policy organizations working in the Southern Ocean to discuss the major priorities for understanding and protecting this region and its global contribution to stable ocean ecosystems, and to highlight the urgent need to raise ambition towards reducing emissions to safeguard this and many other ocean regions. Dr. Sian Henley, University of Edinburgh, moderated this event. Speakers included Dr. Nadine Johnston, British Antarctic Survey; Dr. Sebastien Moreau, Norwegian Polar Institute; Dr. Jilda Caccavo, Institute Pierre-Simon Laplace; Dr. Andrew Constable, University of Tasmania; and Dr. Mercedes Santos, Instituto Antártico Argentino.
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