I reported in January that Greenland sets a new melt record in 2010 - sea levels to rise. This image from the NASA Earth Observatory Image of the day site shows clearly the level of melting. During 2010 there was little summer snow to replenish the losses, with melting starting early and finishing much later resulting in a melting period 50 days longer than average.
The image shows 2010 compared to the average number of melt days per year between 1979 and 2009. It was assembled from microwave data from the Special Sensor Microwave/Imager (SSM/I) of the Defense Meteorological Satellites Program.
Read more at Earth Observatory: Record Melting in Greenland during 2010
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