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Record May Heat in Iceland and Greenland Triggers Massive Ice Loss

Attribution research shows that climate change made the unprecedented Arctic heatwave possible

Image
Des blocs de glace flottent au large de Nuuk, au Groenland, le 7 mars 2025
Anomalies mensuelles de température dans le monde par rapport à la période préindustrielle (1850-1900), en °C
Un bloc de glace au large de Nuuk, le 14 mars 2025 au Groenland

Overview

  • World Weather Attribution scientists report that ice melt in Greenland between May 15 and 21 occurred at 17 times the historical average
  • Iceland recorded temperatures above 26°C on May 15 and broke daily highs at 94% of its weather stations
  • Research indicates the Arctic is warming four times faster than the global average, accelerating seasonal ice loss
  • Accelerated melt is expected to increase sea level rise and put Arctic roads and coastal infrastructure at risk
  • Indigenous hunters in Greenland are encountering unstable ice conditions that alter traditional subsistence practices