Climate Change Is Destroying Unique Archives of European History Along with Glacial Ice Irretrievably lost: Unique evidence of European history is stored in the glaciers of the Alps – from traces of early mining and metalworking to the smoke from slash-and-burn agriculture. But these icy archives are disappearing, as researchers on the Weißseespitze in the Ötztal Alps have discovered: In 2019, they were still able to extract a ten-meter-long ice core there; by 2025, only 5.50