Were Greenland's glaciers to melt, sea level could rise six meters and inundate some of the most populous cities on Earth. Recent data suggests that Greenland is losing ice at a rapid rate. But why? Is it natural variability or global warming? Join us for a night with glaciologist and polar adventurer Dr. Ginny Catania as she addresses what we know about the Greenland ice sheet, what we have left to find out, and what it's like to conduct science in one of the most extreme environments on the planet.

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