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A new island, Prow Knob, formed in Alaska as glaciers melted, expanding Alsek Lake nearly double since 1984.
A new 2-square-mile island named Prow Knob has emerged in southeastern Alaska as the Alsek Glacier retreated due to climate change, with NASA satellite images showing it became isolated in the expanding Alsek Lake.
The lake has nearly doubled in size since 1984, growing to almost 30 square miles, as surrounding glaciers continue to melt.
This transformation reflects broader global patterns of rising temperatures and glacial retreat reshaping coastlines.
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Una nueva isla, Prow Knob, se formó en Alaska a medida que los glaciares se derritieron, expandiendo el lago Alsek casi al doble desde 1984.