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Wind-blown dust darkens Greenland, speeding melt-down

from Scientific American

Greenland's snowy surface is now darker in the spring than it was before 2009, suggesting that the ice sheet's melting and contribution to sea-level rise may be larger than expected, according to a new study. The research in Nature Geoscience adds to a body of recent research finding that the Arctic's albedo, or reflectiveness, may decline more sharply than original estimates. more

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