Watch as old sea ice vanishes
From year to year, the ice around the Arctic ebbs and flows, reaching a minimum and maximum as the temperature shifts through the seasons.
Scientists recently released time-lapse animation comparing Arctic sea ice since 1984 with now, and it is a little startling. The old sea ice — the Arctic sea ice that lasts year after year — is smaller than it has been in three decades.
▻http://edition.cnn.com/2016/11/02/us/old-arctic-sea-ice-vanishing/index.html?sr=twCNN110316old-arctic-sea-ice-vanishing1221AMVODtopVideo&
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