Did we say that the Arctic might be ice free in winter sometime soon? We meant it might only be completely impassable eleven months per year by 2050

Shrinking Arctic Ice Could Lead to Hybrid Species, Study Warns - NYTimes.com

As global temperatures rise, scientists have noted that sea ice in the Arctic is getting thinner. They expect that by midcentury, a passage through the ice sheet will be available for at least one month each summer.

Flashback: John Holdren And The Ice Free Arctic Winter | Real Science

[Holdren] …if you lose the summer sea ice, there are phenomena that could lead you not so very long thereafter to lose the winter sea ice as well. And if you lose that sea ice year round, it’s going to mean drastic climatic change all over the hemisphere.