I’ve already blogged about the record Arctic sea ice melt. The following picture and video further illustrate the point. This graphic from the Australian Conservation Foundation shows what the Arctic melt would look like if Australia was melting:
Note that Arctic sea ice volume has declined even more dramatically, with four-fifths disappearing in the 34-year record.
This video from The Yale Forum on Climate Change & The Media also explains it well:

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Another Week of GW News, September 30, 2012 – A Few Things Ill Considered
1 October 2012 at 23:57 (UTC 10) Link to this comment
[...] 2012/09/28: PlanetJ: Good Arctic sea ice pic and vid [...]