An excellent source: Northwest Passage 2013 It looks like at least three yachts made it through this year. The Northwest passage is not practical but still fun for those who like a challenge. This Canadian map gives a better picture showing 'ice free' is really loose ice: http://ice-glaces.ec.gc.ca/prods/MODISCOM-T/20130909000000_MODISCOM-T_0007257176.pdf It includes the Northeast passage which rightfully requires ships designed to deal with the ice. This is technical but solvable problem versus an ice sheet. As always at sea, weather remains chaotic. Bob Wilson
In spite of the global warming deniers claims about ice increases blocking Arctic shipping: Source: Ship crosses Northwest Passage, sails into history - The Globe and Mail The Nordic Orion is off the Southwest coast of Greenland. Having used the NorthWest passage, the global warming deniers are still 'lost at sea.' Bob Wilson
Reality TV stars crossing Northwest Passage on jet skis forced to cancel Arctic trek after costly rescue | National Post "Ironically, one of the main goals of the expedition had been to demonstrate how ice-free the arctic had become."
The full text including the use of elipsis: Source: ibid Perhaps next year they'll do it on water skis and use the NorthEast passage which as of September 28 remains ice free: NSR - Ice Concentration | Northern Sea Route Information Office Thank you for playing but you do realize quoting out of context is one of the 'tells' of climate deniers, right? Bob Wilson
The Arctic is not a playground but it isn't universally fatal either: Source: Canadian military spent $2.7 million to rescue wealthy tourists off of breakaway ice floe | National Post What isn't clear is who called out for "help." Bob Wilson