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Old 12-09-2009, 07:36 PM   #1
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Default Itís an ill wind that blows: African dust making it across the ocean

Itís an ill wind that blows: African dust making it across the ocean

USGS Release: From Toxic Dust and Algae to Ill Winds From Africa (11/20/2009 10:02:25 AM)
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Increasing quantities of African dust have blown across the Atlantic Ocean to the Caribbean and Americas over the past few decades. During that time, the dustís composition has changed. In this study, African dust air masses in Africa and the Caribbean were analyzed for persistent organic contaminants and metals. These potentially toxic contaminants can originate from the burning of plastics, biomass and waste; widespread use of pesticides, plastics, and pharmaceuticals; and increased industrialization. Multiple pesticides and other contaminants, including carcinogens, suppressors of immune systems, disruptors of endocrine systems, and nervous system or liver toxins were identified from all sample sites. All are known to persist in the environment, accumulate in organisms, and are toxic at very low concentrations.
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Old 12-10-2009, 12:12 PM   #2
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It's an ill wind that blows from the US across the ocean also.
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