But basically,
we're fucked. (You'll need realplayer to watch the video. Text version
here.)
Short version:
Graphics from another news article,
here.
Perrenial ice is meant to STAY THERE.
Over the past few decades, it has shrunk by about 0.7% per year.
NASA imagery has revealed that between 2005 & 2006, it shrank by 14.0%
edit: Oh yeah, and
this.
So, yeah.
We're fucked.