新‘COP30’视频：超越政治时间框架管理冰冻圈

Cryosphere systems are nearing irreversible thresholds, yet political processes remain misaligned with the long timescales of ice loss. Using COP30 as context, this event explained how cryosphere science must inform and strengthen governance capable of linking near-term decisions with long-term stability in a rapidly changing world. Speakers included Dr. Letizia Tedesco, Finnish Environment Institute and University of Helsinki; Dr. Petra Heil, Director of Science at the British Antarctic Survey; and Dr. Josephine Rapp, REV Ocean. Key organizers included the expert group on Biogeochemical Exchange Processes at the Sea-Ice Interfaces (BEPSII) and Antarctic Sea-ice Processes and Climate (ASPeCt) as well as initiatives such as CATCH and PACES. Note: this event was scheduled to take place at COP30, but took place virtually only last week due to the Nov. 21 fire that closed the Cryosphere and other COP30 Pavilions for the remainder of the COP.

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