Winter sea ice loss may be underestimated, ancient clues from a warmer Arctic suggest
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https://phys.org/news/2026-10-winter-sea-ice-loss-underestimated.html
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Supporting passage from source
Future Arctic winter sea ice is likely to shrink by around 1 million square kilometers (386,000 square miles) more than previously thought, after researchers used clues from a warm period 6,000 years ago to improve the reliability of climate models.
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