I notice you ignored my queries about what Brian Cox et al say about climate change... Why is that, I wonder?
The volume of Arctic is a fraction of what it was in 1980.
Arctic Death Spiral Bombshell: CryoSat-2 Confirms Sea Ice Volume Has Collapsed | ThinkProgress
An Illustrated Guide To 2012 Record Arctic Sea Ice Melt | ThinkProgress
The ice is young and thin and very fragile - it is severely cracked and broken very early in the season:
Ice Breaking News: This Is Your 2013 Arctic Freezing Season On Crack | ThinkProgress