From a helicopter hovering over Greenland, oceanographer Fiammetta Straneo takes measurements to determine how fast the water is melting the nearby Helheim Glacier.
From a helicopter hovering over Greenland, oceanographer Fiammetta Straneo takes measurements to determine how fast the water is melting the nearby Helheim Glacier. TONY CENICOLA The New York Times
From a helicopter hovering over Greenland, oceanographer Fiammetta Straneo takes measurements to determine how fast the water is melting the nearby Helheim Glacier. TONY CENICOLA The New York Times

Climate change

March 31, 2016 5:00 PM

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