Winter sea ice loss may be underestimated, according to ancient clues from a warmer Arctic

Winter sea ice loss may be underestimated, according to ancient clues from a warmer Arctic Sarah Collins Fri, 10/16/2026 - 10:00 The results, reported in the journal Nature Geoscience , could have implications for future winter conditions in the UK and across Europe. The retreat of Arctic sea ice in the summer months has been widely reported. However, the loss of winter sea ice has received far less attention, despite the fact that climate models disagree with each other most during the winter months.