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Environmental science

Arsenic meets dense populations

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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Figure 1: Population and arsenic risk in South Asia.


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van Geen, A. Arsenic meets dense populations. Nature Geosci 1, 494–496 (2008).

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