Swiss glacier collapse renews focus on risks of climate change as glaciers retreat around the world

This combo shows the village of Blatten photographed on Friday, May 23, 2025 at the top and the village of Blatten one day after a massive avalanche, triggered by the collapse of the Birch Glacier, at the bottom, showing the destruction it caused as it swept down to the valley floor and demolished the village of Blatten, Switzerland, Thursday, May 29, 2025. (Jean-Christophe Bott/Keystone via AP)