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Glaciers there are "an early indicator of the kinds of changes that are going to occur elsewhere," a scientist says. Since 1966, the Glaciers in Glacier National Park shrunk an average of 39 percent.
أكثر... ??????? ??????: Disappearing Montana Glaciers A 'Bellwether' Of Melting To Come? || ??????: ahlam1399 || ??????: اسم منتداك
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