Tag Archives: climate change

NASA’s Icebridge: imaging the abyss

Researchers with NASA's Icebridge campaign are completing their fourth tour of flights over the polar regions to image ice sheets and glaciers in Antarctica and Greenland. The places they measure and scan are crucial to our understanding of global climate—and forbiddingly hostile as well.

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Narwhals join climate debate

Narwhals don't go to graduate school, and they're not much use as grant-writers. But they're able to do a few things oceanographers find challenging—such as dive to depths of nearly six thousand feet beneath the ice of Baffin Bay in winter. So scientists have enlisted them in gathering climate-change data in the Greenland Current.

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