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@CBSThisMorning
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New aerial footage by @NASA shows the massive Greenland ice sheet, part of a decade-long effort to track the potentially dangerous ice melt. Data released in March show melting has left a hole the size of Texas in the Greenland sheet.
Learn more https://t.co/UBIR44lgeQ #EarthDay https://t.co/bkAQCc2Xnx
Learn more https://t.co/UBIR44lgeQ #EarthDay https://t.co/bkAQCc2Xnx