Reuters: U.S. Defense Secretary Chuck Hagel announced on Friday the Pentagon's first Arctic strategy to guide changes in military planning as rapidly thawing ice reshapes global commerce and energy exploration, possibly raising tensions along the way.
Ice on the Arctic Ocean shrank last year to its lowest levels since satellite observations began in the 1970s, and many experts expect it will vanish in summers by mid-century due to climate change.
As the sea ice thaws, ships are increasingly using a...