Arctic Sea Ice
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NASA: Climate change shrinks Arctic sea ice to near-record level
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The Arctic ice cap reached its second-lowest extent in recorded history in Sept. 2011, and the pace of the melting appears to be quickening.
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NOAA: 7th warmest April on record; D.C. was above average, too
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Warmer global temperatures made April 2011 the seventh warmest April since record-keeping began two centuries ago. D.C. was 3 degrees above average for the month.
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