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National Ice Center Monitors the Arctic and Antarctic
The National Ice Center’s work is focused on ensuring safe and efficient...
Fri, 01/14/2011 - 13:57
Photo
Elevator Rudists
These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...
Lesson Plan
Where Have All the Glaciers Gone?
Students will describe how climate change is affecting sea ice, vegetation, and...
Mon, 08/08/2011 - 16:33
Photo
Jakobshavn Glacier
The Greenland glacier Jakobshavn Isbrae is massive, at around 40 miles long and...
Photo