Quit burying your head in these alarmist websites, you continue to regurgitate false information which makes you look like a complete fool, almost as bad as UncleBuck who can't read a graph but continues to post them.
Refute these facts and support your own claim while you're at it, I'll be waiting.
The northwest Passage was first successfully navigated by ship over 100 years ago.
And was repeated several times in the 1940s.
On to the most idiotic claim you've made so far, I'd love to see where you were told that the Northwest Passage became
navicable year round. Did you hear this on Skeptical Science? LOL
Northwest Passage (1903–1906)
RV Belgica frozen in the ice, 1898
In 1903, Amundsen led the first expedition to successfully traverse Canada's
Northwest Passage between the
Atlantic and
Pacific oceans. With him were six men in a 45-ton fishing vessel,
Gjøa.