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Alarming 'Chart of the Day'

The Arctic Sea Ice Blog earlier this month posted this alarming chart, showing polar sea ice on a downward trajectory.  Based on computer models that incorporate observed sea-ice data, the Arctic Ocean could be entirely ice-free during the month of September by about 2016, and could be ice-free year-round by the early 2030s.

Are polar bears getting desperate?  Maybe so.  A recent news report suggests at least one pairing of a grizzly and polar bear in the wild has resulted in a hybrid "pizzlie."