The Athabaska glacier in the Columbia Icefields, Alberta, Canada, has receded 1.5 km and lost over 50% of its volume during the last 125 years (Photo: D. Hanneman)
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The Athabaska glacier in the Columbia Icefields, Alberta, Canada, has receded 1.5 km and lost over 50% of its volume during the last 125 years (Photo: D. Hanneman)