This 2007 photo released by Extreme Ice Survey shows "Chasing Ice" director Jeffery Orlowski shooting in Uummannaq, Greenland. The film, about climate change, follows National Geographic photographer James Balog across the Arctic as he deploys revolutionary time-lapse cameras designed to capture a multi-year record of the world's changing glaciers. (AP Photo/Extreme Ice Survey, James Balog)

Associated Press
This 2007 photo released by Extreme Ice Survey shows "Chasing Ice" director Jeffery Orlowski shooting in Uummannaq, Greenland. The film, about climate change, follows National Geographic photographer James Balog across the Arctic as he deploys revolutionary time-lapse cameras designed to capture a multi-year record of the world's changing glaciers. (AP Photo/Extreme Ice Survey, James Balog)
This 2007 photo released by Extreme Ice Survey shows "Chasing Ice" director Jeffery Orlowski shooting in Uummannaq, Greenland. The film, about climate change, follows National Geographic photographer James Balog across the Arctic as he deploys revolutionary time-lapse cameras designed to capture a multi-year record of the world's changing glaciers. (AP Photo/Extreme Ice Survey, James Balog)
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