The Loss of Earth’s Frozen Records
Satellite image of Corbassière glacier in Switzerland captured on August 23, 2001, by Landsat 5.Satellite image of Corbassière glacier in Switzerland captured on August 20, 2023, by Landsat 8.The surface melting of a high-elevation glacier in the Alps has rendered it unusable for scientific research.Glaciers are natural archives of past climate. In their frozen layers lies evidence of Earth’s changing temperature and atmospheric composition. But as the climate warms, some of the longest records of our changing planet are…