Weather.com - 11/19/12, Kerri Cassani
In Disko Bay, Greenland, 20-story high icebergs broken off from the Greenland Ice Sheet float into the North Atlantic, raising sea level
In the Spring of 2005, National Geographic photographer James Balog took on a challenging assignment, to help tell the story of the Earth's changing climate.
"I never imagined you could see glaciers this big disappearing in such a short time. There's a powerful piece of history unfolding in these pictures," said Balog.
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