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Science in Brief

Arctic ice melts to a record low

September 22, 2007|From Times Staff and Wire Reports

Arctic sea ice melted to its lowest level ever this week, shattering a record set in 2005 and continuing a trend spurred by human-caused global warming, the U.S. National Snow and Ice Data Center in Colorado said Thursday.

Compared to 2005, the previous record-low year for Arctic sea ice, this year has had a decrease of more than 386,100 square miles. The ice hit its lowest level Sunday, and refreezing has already begun in some places, according to satellite imagery used by the center.

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