Arctic could rapidly switch from snow to rain decades sooner than expected, study shows

Rain fell on the summit of Greenland instead of snow for the first time on record in August, as the Northern Hemisphere experienced warmer-t...

Rain fell on the summit of Greenland instead of snow for the first time on record in August, as the Northern Hemisphere experienced warmer-than-usual summer temperatures. A new study suggests that's likely to be the norm in just four or five decades.

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