Monday, November 14, 2011

Dirty air Fosters Precipitation Extremes

By Janet Raloff - Science News Nov 13'11
Changes to clouds encourage drought in dry areas and torrential downpours in moist ones. Details here.

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An Unusual Sight Over Canada’s Arctic: Wildfire Smoke

By  Vjosa Isai New York Times Elizabeth Mikkungwak thought the nearby garbage dump must be on fire. Acrid smoke clouded the skies over Baker...