New Delhi: Europe relentless early summer heatwave is rapidly eating away at Switzerland’s Alpine glaciers, pushing them into a critical state. Scientists are warning that the protective winter snow pack accumulated across the mountains could completely vanish by the end of Monday. This marks the arrival of “glacier loss day” the point in the year when all winter snow melts away, leaving the older, darker glacial ice fully exposed to solar radiation roughly six weeks earlier than normal.
Data from Glacier Monitoring Switzerland (GLAMOS) reveals that the country’s remaining glaciers are entering the peak summer season with an exceptionally thin layer of snow. While this critical transition typically does not occur until mid August, reaching it by the end of June stands as a stark indicator of accelerating climate change. According to GLAMOS Director Matthias Huss, the ice melt rates across the Alps are currently pacing nearly three months ahead of a healthy seasonal schedule.
The rapid ablation is driven by a combination of severe environmental factors. Beyond the recent heatwave which pushed European temperatures past 40°C, the Alps saw average winter snowfall figures drop about 25 percent below the 2010–2020 average.
Compounding the issue, massive plumes of Saharan dust blew across Europe earlier in the spring, settling over the mountaintops. This dust darkened the snow’s surface, lowering its albedo the ability to reflect sunlight and causing the glaciers to absorb significantly more solar heat long before summer even began.
The physical impact of these combined phenomena is unprecedented. Glaciologists monitoring the iconic Rhone Glacier reported seeing a vertical meter of solid ice melt away in a span of just ten days under the recent heat dome.
This accelerated decline carries severe long term consequences for Europe’s environment and economy. Alpine glaciers serve as vital natural water towers, feeding crucial European river systems including the Rhine and the Rhône. However, GLAMOS data highlights that Swiss glaciers have already lost 38 percent of their total volume between 2000 and 2024. With over 1,200 glaciers disappearing from Switzerland over the last 50 years, experts warn that if the current warming trajectory continues, only minor remnants of ice will survive by the end of the century.