In 2007, the arctic ice cap had melted to the lowest level on record (allegedly due to [[global warming]]). This lead to renewed interest in the passage, should the area be ice-free in the future. Russia, Norway, Canada, Denmark (via [[Greenland]]) and the United States have rushed to obtain rights to the arctic route. In August, a Russian submarine planted the Russian flag under the [[North Pole]], making a symbolic claim to the area.<ref>[http://news.yahoo.com/s/ap/20070916/ap_on_sc/northwest_passage Arctic ice melt opens Northwest Passage]</ref> | In 2007, the arctic ice cap had melted to the lowest level on record (allegedly due to [[global warming]]). This lead to renewed interest in the passage, should the area be ice-free in the future. Russia, Norway, Canada, Denmark (via [[Greenland]]) and the United States have rushed to obtain rights to the arctic route. In August, a Russian submarine planted the Russian flag under the [[North Pole]], making a symbolic claim to the area.<ref>[http://news.yahoo.com/s/ap/20070916/ap_on_sc/northwest_passage Arctic ice melt opens Northwest Passage]</ref> |