Caused by algae blooms, green snow is now so prevalent across the Antarctic Peninsula that it can be seen from space. Green snow is not new to the icy continent — “Ernest Shackleton even noted them on his ill-fated 1914 expedition” — and covers a tiny fraction of the Antarctica’s land-mass. But there is concern warmer temps will see continued growth of the algae blooms: “As Antarctica warms, we predict the overall mass of snow algae will increase.”



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