Late-spring warmth brings a stunning new color to the dazzling white palette that dominates Greenland in the wintertime. The warmth means Greenland's melt season has started, and sapphire-blue pools will soon dot the ice sheet as its upper layer of snow and ice transforms into water. Nearly the entire surface of the Greenland Ice Sheet melted, even in the cold, dry regions where Greenland's elevation soars above 10,000 feet (3,048 meters). "We're not expecting anything exceptional for the next two weeks, but it's very difficult to look beyond that point," said Marco Tedesco, a Greenland melting expert at the City University of New York and a polar programs director for the National Science Foundation.
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