US EditionWestern Canada glaciers melting twice as fast as in previous decade, research says
- A research letter released on June 25, 2025, indicates that ice masses of glaciers located in regions across Western Canada, the U.S., and Switzerland decreased by approximately 12% between 2001 and 2024.
- This loss accelerated over the last four years with melt rates doubling compared to the previous decade due to low snow, early heat waves, and dry spells.
- The study combined aerial and ground surveys of 27 glaciers, highlighting the Haig Glacier where low reflectivity of ice caused 17% and summer heat 46% of mass loss in 2022 and 2023.
- From 2000 to 2023, glaciers lost about 273 gigatonnes annually, contributing one-fifth of sea-level rise, while black carbon deposition peaked in 2023 amid severe wildfires.
- Glaciers in the region are expected to vanish almost entirely by the end of this century, even under moderate warming scenarios, highlighting the need for enhanced modeling and preparations to address water shortages and related geological hazards.
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Researchers report that some glaciers in western Canada and the United States lost 12% of their mass between 2021 and 2024, doubling their melting rate from the previous decade.
Canadian and US glaciers doubling melt rate from previous decade
Researchers say some glaciers in Western Canada and the United States lost 12 per cent of their mass from 2021 to 2024, doubling melt rates compared to the previous decade in a continuation of a concerning global trend.
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Western Canada glaciers melting twice as fast as in previous decade, research says
Researchers say some glaciers in Western Canada and the United States lost 12 per cent of their mass from 2021 to 2024, doubling melt rates compared to the previous decade.
Degelo doubled between 2010 and 2019, while its main causes are the hot and dry climate and environmental pollution that obscure the ice masses, is in the study published this Wednesday.
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