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If Earth is warming, why all the snow?

This is expected to be among the three warmest years on record, and 2001 through 2010 was the warmest decade on record, according to the World Meteorological Organization. So why have there been record snowfalls in some states and countries in recent years? "As global temperatures have warmed and as Arctic sea ice has melted over the past 2½ decades, more moisture has become available to fall as snow over the continents," explained Judah Cohen of an atmospheric and environmental research firm.

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