Photo credit: CortesÃa de Gabriela Arrifano, SciDev.Net
Mercury levels high in people near Amazon mega-dam
By Rodrigo de Oliveira Andrade, SciDev.Net
[SÃO PAULO] Constructing dams in the Brazilian Amazon could increase local residents’ exposure to unsafe mercury levels, warn researchers who analysed hair samples from 37 people living near Tucuruí, one of the largest dams ever built in Brazil.