African dust clouds worry Caribbean scientists

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Posted: Tuesday, August 27, 2013 12:00 am

HAVANA (AP) - Each summer, microscopic dust particles kicked up by African sandstorms blow thousands of miles (kilometers) across the Atlantic to arrive in the Caribbean, limiting airplane pilots' visibility to just a few miles and contributing to the suffering of asthmatics trying to draw breath.

The phenomenon has been around as long as there's been sand in the Sahara Desert. But it's attracting ever more attention from regional scientists who say the clouds have grown, even if there's no global consensus on the issue.

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