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In this interview from in front of the Canada Glacier in Antarctica���s Taylor Valley, Hassan Basagic from Portland State University describes the essential role of polar glaciers in supporting the bare-bones ecosystems in the Dry Valleys.

The POLENET project installed their newest high-precision GPS system on Deverall Island, Antarctica. These GPS systems tell scientists how much the ground underneath the ice sheet is moving upward. This has important implications on the movement of the West Antarctic Ice Sheet and its interplay with the rock below. Learn more about it in this audio report from correspondent Kelly Carroll.

In this audio dispatch, correspondent Jack Walter describes his first week at the team's field camp on the West Antarctic Ice Sheet. Hear about their research on lakes under the glaciers and get a slice of life as a remote polar scientist.

In this interview from Greenland, glaciologist Mark Fahnestock describes the roar of a 1000-foot iceberg dropping off the Jakobshavn Isbr�� into the Ilulissat Icefjord. Includes time-lapse photography of this massive calving event.

What controls the speed of Greenland���s big outlet glaciers like the Jakobshavn? How do they interact with the climate system? And most importantly, what does the future hold for the glaciers of Greenland? In this video, glaciologist Mark Fahnestock discusses glacier dynamics and what he hopes to learn through his studies.

The Ice Stories crew caught up with glaciologist Mark Fahnestock on his way back home after a few weeks camping near Greenland's Jakobshavn Isbr��, the most productive and among the fastest-moving glaciers in the world. In this interview, Mark describes some of the physics of this speedy glacier and why so many scientists are interested in studying the dynamics of Jakobshavn.

Interview with galciologist Sarah Das (Woods Hole Oceanographic Institution) from atop the Greenland Ice Sheet.

Interview with glaciologist Ian Joughin (Applied Physics Lab, University of Washington) atop the Greenland Ice Sheet.

From atop the Greenland Ice Sheet, Kristin Poinar, a graduate student at the University of Washington, describes observing first-hand the sudden rapid draining of a huge glacial lake.

From atop the Greenland Ice Sheet, Chris Linder, a photographer from Woods Hole Oceanographic Institution, describes observing first-hand the sudden rapid draining of a huge glacial lake.