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Bubbles of warming, beneath the ice [View All]

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Louisiana1976 Donating Member (1000+ posts) Send PM | Profile | Ignore Sat Dec-12-09 10:11 PM
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Bubbles of warming, beneath the ice
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Bering Land Bridge National Preserve, Alaska - Four miles south of the Arctic Circle, the morning sky is streaked with apricot. Frozen rivers split the tundra of the Seward Peninsula, coiling into vast lakes. And on a silent, wind-whipped pond, a lone figure, sweating and panting, shovels snow off the ice.

The young woman with curly reddish hair stops, scribbles data, snaps a photo, grabs a heavy metal pick and stabs at white orbs in the thick black ice.

"Every time I see bubbles, I have the same feeling," says Katey Walter, a University of Alaska researcher. "They are amazing and beautiful."

Beautiful, yes. But ominous. When her pick breaks through the surface, the orbs burst with a low gurgle, spewing methane, a potent greenhouse gas that could accelerate the pace of climate change across the globe.

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http://www.latimes.com/news/science/environment/la-na-g...
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