10 days with the US Coast Guard on the new Arctic front lines
As new sea passages open up, the commercial and defence possibilities are becoming irresistible. To take advantage, America desperately needs ships ...
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Greenland's ice sheet — the second biggest in the world — is cracking open at alarming speed, scientists discover
New 3D maps of the Greenland Ice Sheet show how huge cracks in the ice that accelerate melting expanded between 2016 and 2021 ...