It's Raining on the Greenland Ice -- in the Winter

Changing weather is triggering melting.

Rainy weather is becoming increasingly common over parts of the Greenland ice sheet, triggering sudden melting events that are eating at the ice and priming the surface for more widespread future melting, says a new study.  Some parts of the ice sheet are even receiving rain in winter -- a phenomenon that will spread as climate continues to warm, say the researchers.

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