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0:34
Hidden Danger In Arctic Ice Threatens Millions
2 个月之前
The Weather Channel
New PO.DAAC Arctic Sea Ice Data Animation | NASA Earthdata
3 周前
nasa.gov
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2 周前
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45:20
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Melting Arctic ice could disrupt ocean circulation, make Europe s
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1:58
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U.S. Coast Guard Arming Icebreakers to Protect Arctic fro
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2:15
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0:45
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4:05
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2012年9月7日
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1:58
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Yahoo
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2:16
Canada to build new icebreakers, meet NATO spending targets by 2
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