Here is an interesting post on the Maritime Professional website by Joseph Fonseca about the Northern Sea Route (NSR), the nearly ice-free route over Russia and Canada that has opened up as a result of global warming. The route is now virtually ice-free 3 to 5 months a year - a period that is predicted to grow over the coming decades - and it holds the potential to revolutionize global navigation. Read more in Fonseca's post:
http://www.maritimeprofessional.com/Blogs/Taming-the-Arctic-sea-route/February-2012/Taming-the-Arctic-sea-route.aspx
From the time I was a young man, I had a fascination with the Arctic! It's an ambition that I never satisfied. I'm sure a new generation of young seamen will grow up having had an opportunity - and maybe making their careers - in Arctic navigation. I'm envious!