Arctic sea ice volume heads toward record low as Northwest Passage melts free fourth year in a row - Masters rebukes disinformers: "Diminishing the importance of Arctic sea ice loss by calling attention to Antarctic sea ice gain is like telling someone to

Chris Mooney has a good piece in New Scientist, "Arctic ice: Less than meets the eye," the source of the above figures.  Mooney focuses on the work of Canada's David Barber — you can find his peer-reviewed work here:  "Where on Earth is it unusually warm? Greenland and the Arctic Ocean, which is full of rotten ice" — New study supports finding that "the amount of [multi-year:] sea ice in the northern hemisphere was the lowest on record in 2009."

Mooney also discusses the PIOMAS ice volume ...