ScienceDaily | 2010.10.26)
As the ice-capped Arctic Ocean warms, ship traffic will increase at the top of the world. And if the sea ice continues to decline, a new route connecting international trading partners may emerge — but not without significant repercussions to climate, according to a US and Canadian research team.
Continue reading at http://www.sciencedaily.com/releases/2010/10/101025161150.htm
You can also read the relevant study: “Arctic shipping emissions inventories and future scenarios”.