Fastest Glacier

A glacier moving way too fast reveals how unpredictable the effects of global warming can be.

Glacier Hazards From Space

View satellite images of glaciers that have wreaked havoc—or might soon.

Arctic Expedition

In this 5.23.05 dispatch by correspondent Peter Standring, watch a video clip and slide show about the NOVA scienceNOW expedition to Greenland's Jakobshavn glacier.

Ask the Expert

Glaciologists Jay Zwally and Koni Steffen answer viewer questions about the Jakobshavn glacier and glaciers in general.

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© | Created July 2005