Vanop wikipedia: In the summer of 2000, several ships took advantage of thinning summer ice cover on the Arctic Ocean to make the crossing. It is thought that global warming is likely to open the passage for increasing periods of time, making it attractive as a major shipping route. However the passage through the Arctic Ocean would require significant investment in escort vessels and staging ports. Therefore the Canadian commercial marine transport industry does not anticipate the route as a viable alternative to the Panama canal even within the next 10 to 20 years. [19]
'k Heb trouwens even de ijskaarten bekeken voor vroegere septembermaanden en 't moet toch regelmatig open geweest zijn.
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