As climate warms, the Greenland ice sheet is melting, helping to fuel global sea-level rise. Follow a small team of scientists as they hike onto the sheet to investigate the forces large and small that are demolishing the ice. (All photos: Kevin Krajick) READ THE FULL SCIENTIFIC STORY AND SEE A VIDEO
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<►>Glaciologist Marco Tedesco of Lamont-Doherty Earth Observatory (left) and UCLA PhD. student Matthew Cooper survey the ice’s lower edges, where dirt and tiny organisms are most concentrated. Their dark colors increase absorption of solar energy, and thus hasten melting.
