What the Hell is happening to the Arctic Sea Ice?

The Arctic Sea Ice extent this September was far smaller than the previous record, set in 2007. At 3.4 million square kilometers of ice coverage, this year's Arctic minimum was 800,000 square kilometers smaller than the previous record — and the difference between the previous record and this year's is larger than… »9/24/12 1:30pm9/24/12 1:30pm