Pentagon officials unveiled a new strategy for the Arctic today, asserting that increased human activity resulting from melting sea ice would put the region into the U.S. military's focus in the coming decades. "Over the long term, as global warming accelerates, Arctic ice melt will lead to a sea level rise that will likely threaten coastal populations around the world," Defense Secretary Chuck Hagel said in a speech at the Halifax Security Forum in Halifax, Nova Scotia. "But it also...
