News and Views
Nature Geoscience 1, 494 - 496 (2008)
doi:10.1038/ngeo268
Subject Categories: Biogeochemistry | Geomorphology
Environmental science: Arsenic meets dense populations
Alexander van Geen1
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Alexander van Geen is at the Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York 10964, USA.
e-mail: avangeen@ldeo.columbia.edu
Abstract
In the South Asian lowlands, high population density coincides with dangerous levels of arsenic in groundwater. Maps based on surface geology can help identify regions at risk of arsenic contamination.
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