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Blackout gave cities a breath of fresh air

May 30, 2004

The blackout that left 50 million North Americans without power in August 2003 had an unexpected benefit - the air became cleaner.

As power plants were turned down in south-east Canada and the north-east and mid-west US, levels of pollutants fell, says meteorologist Russell Dickerson.

Continue reading on New Scientist article opens in new window 
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