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Research published April 3 in Nature reveals the tight linkage between atmospheric dust flows and Antarctic temperatures during ice ages over the past 800,000 years. A research review published March 23 in Nature Geoscience online shows that black carbon particles in the atmosphere have a more powerful global-warming effect than any of the greenhouse gases except carbon dioxide. And these particles are 60 percent as effective as CO2 itself. That's far more powerful than the estimate in last year's report of the UN-sponsored Intergovernmental Panel on Climate Change (IPCC). [Source: Christian Science Monitor]
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