In this July 19, 2011 photo, with the Jakobshavn ice fjord visible in the background, NYU researcher David Holland, left, discusses logistics with a helicopter pilot before flying to deploy devices ... more 
In this July 19, 2011 photo, with the Jakobshavn ice fjord visible in the background, NYU researcher David Holland, left, discusses logistics with a helicopter pilot before flying to deploy devices designed to track glacial movement near the edge of the Greenland Ice Sheet, outside Ilulissat, Greenland. Holland hopes to eventually deploy scores of the devices to help measure ice loss in Greenland. (AP Photo/Brennan Linsley) less 
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Associated Press | Photo By Brennan Linsley
Sun, Aug 14, 2011 8:37 AM EDT