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Southern Alps

Photo of the snowy Southern Alps covered in red dust.
Posted inEditors' Highlights

Why the Southern Alps Turned Red During the Summer of 2019-2020

by Bin Zhao 23 April 202522 April 2025

Snow on the Southern Alps turned from white to red in 2019-2020. New geochemical evidence points to the color change resulting from red Australian desert dust carried across the Tasman Sea.

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