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Polar Ice Caps

During the first hour of tonight's broadcast, Art referred to a recently published NASA study(1) that shows the extent to which the polar ice caps have melted and predicts the Arctic Ocean will lose all perennial ice by end of century. Click here for an article we previously posted to the site.

The following animation shows Arctic sea ice extent from January 1, 1990, and January 1, 1999, respectively. Click the two-directional arrow below and drag it along the timeline to see the polar ice caps recede.



*Special thanks to Bill O'Connor for creating this Flash movie.

1. http://eob.gsfc.nasa.gov/Newsroom/NasaNews/2002/2002112710960.html

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