BBC - As the race to back up claims over the resources of the Arctic Ocean heats up, Canada has said it will build two new military bases in its far north.

BBC - Arctic neighbours draw up battle lines.

BBC - Russia ahead in Arctic 'gold rush'.

Associated Press - Canada announced plans Monday to increase its Arctic military presence in an effort to assert sovereignty over the Northwest Passage - a potentially oil-rich region the United States says is international territory.

Canadian Press - A key federal cabinet committee has given the go-ahead for a plan to construct six corvette-sized Arctic patrol vessels. The patrol vessels, which are almost as large as the navy's frigates, are a step down from the armed Arctic icebreakers that the Conservatives promised in the last election campaign and will likely not be in service before 2015.

Washington Post - A long-standing legal wrangle between the United States and Canada could complicate future shipping through the Arctic as global warming melts the ice in the Northwest Passage.

Halifax Live - Canada is undertaking sovereignty patrols in the Arctic.