Image shows rock glaciers which are widespread in the Alps, but less known than 'normal' glaciers, undated photo. The active Bock glacier in the Outer Hochebenkar is in the middle, while the Inner Hochebenkar with an inactive rock glacier is on the right. The Gurgler ridge is in the background. (3DGEO Heidelberg/Newsflash)
New research has shown that rising temperatures have made rock glaciers in the Alps unstable. The study, which was led by the Austrian Academy of Sciences (OAeW), showed a significant…