NASA scientists fly over Greenland to track melting ice
By SETH BORENSTEIN, AP Science Writer ABOARD A NASA RESEARCH PLANE OVER GREENLAND (AP) — The fields of rippling ice 500 feet below the NASA plane give way to the blue-green of water dotted with irregular chunks of bleached-white ice, some the size of battleships, some as tall as 15-story buildings. Like nearly every other glacier on Greenland, the massive Kangerlussuaq is melting. In fact, the giant