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2009 News in Brief



Carbon in man-made ponds is catalyst for arsenic contamination in Bangladeshi drinking water

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Researchers led by Professor Charles Harvey in MIT’s Department of Civil and Environmental Engineering believe they have pinpointed a pathway by which arsenic may be contaminating the drinking water in Bangladesh, a phenomenon that has puzzled scientists, world health agencies and the Bangladeshi government for nearly 30 years. The research suggests that human alteration to the landscape, the construction of villages with ponds, and the adoption of irrigated agriculture are responsible for the current pattern of arsenic concentration underground. Read more.