Ethiopia: NASA Study Finds Black Carbon Pollution in Addis Abeba Far Higher Than in 3 U.S. Cities
[Addis Standard] Addis Abeba -- A NASA-funded study has found that average black carbon concentrations in Addis Abeba were approximately 4 to 9 times higher than levels recorded in 3 U.S. metropolitan areas monitored by the same mission -- Los Angeles, Atlanta and Boston.
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