HANDOUT - 29 September 2025, Switzerland, Claridenfirn: An undated handout photo shows the Claridenfirn Glacier in the Swiss canton of Glarus entirely stripped of its protective winter snow layer in September 2025. Glaciologists noted that while seasonal snow cover typically remains on the high-altitude site year-round, extreme summer heatwaves left the glacier bare, underscoring critical acceleration leer más rates in overall Swiss alpine ice retreat. Photo: Matthias Huss/Glamos Gletschermessnetz/Akademie der Naturwissenschaften Schweiz (SCNAT)/dpa - ATTENTION: editorial use only and only if the credit mentioned above is referenced in full leer menos
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