Update

Here is an old, but still relevent article concerning efforts to strengthen the NPT regime and limit production of weapons-grade Uranium and Plutonium.
http://www.washingtonpost.com/wp-dyn/content/article/2009/09/24/AR2009092401721.html

Another, somewhat antiquated, but nonetheless relevent article on the situation that Canada faces in the Arctic, and some information regarding plans by other states to protect what they feel is theirs.
http://network.nationalpost.com/np/blogs/fullcomment/archive/2009/08/16/matt-gurney-promises-aren-t-enough-to-protect-the-arctic.aspx