The Arctic is currently warming up to four times faster than the rest of the planet. Rapidly disappearing Arctic sea ice impacts weather systems across America, Europe and Asia, generating frequent and more powerful extreme events than ever observed before. Critical thresholds are likely to be passed if the global warming exceeds 1.5C, impacting the long-term stability of Greenland Ice Sheet, dramatically reducing Arctic sea ice extent, and increasing the risk of Arctic wildfires. Dr. Heïdi Sevestre, of the Arctic Monitoring and Assessment Programme (AMAP), moderated this session. Speakers included Dr. Rolf Rødven, Executive Secretary of AMAP; Dr. Jason Box, Geological Survey of Denmark and Greenland; Dr. Marta Trodahl, Norwegian Meteorological Institute; Dr. James Overland, NOAA Pacific Marine Environmental Laboratory (PMEL); and Dr. Helen Findlay, Plymouth Marine Laboratory.
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