Gizmodo: Greenland is one of the brightest spots on planet Earth, but ominously enough, its gleaming surface darkens with each passing year, thanks to a strange series of physical processes, one of which cannot be seen with the naked eye.
According to a fascinating new study led by Columbia's Earth Institute and published today the journal The Cryosphere, which finds that Greenland's "albedo," or reflectivity, has been decreasing since the mid 90s. By the end of the 21st century, Greenland could be ten...