Web Date: September 20, 2010
Ironing Out A Poison
A number of states have begun breaching dykes along their coasts to restore tidal wetlands that engineers once drained for farming and development. Although this practice brings back vital ecosystems, there's a hidden cost: During the restoration, inorganic mercury in drained wetland sediments can transform into methlymercury, the more toxic, bioavailable form of the metal. Now researchers from the University of California, Berkeley, report that they can limit methylmercury production by infusing the sediments with . . .
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