Vivvo CMS 4.1 http://www.pri.org/ ©2010 Spoonlabs d.o.o. http://www.pri.org/files.php?file=rss_682409203.gif http://www.pri.org/ http://www.pri.org/stories/science/environment/tt-greenland-ice-sheet-experiences-massive-melt-in-mid-july-10827.html Environment Thu, 26 Jul 2012 08:00:00 -0500 That Greenland's massive ice sheet melts during the summer is nothing new, but the size and speed of a recent thaw is. NASA scientists say a four-day melt in mid-July was the largest one in more than three decades of satellite observation. PRI: Public Radio International