The global effects of Brazil’s Vale mining disaster

vale brumadinho

In the wake of the Brumadinho dam collapse, which killed at least 169 people so far—with 141 others still missing— the Brazilian government issued a resolution to end so-called “upstream” dams. There are currently 84 of such dams around the country, consisting of embankments, made from tailings, piled on top of one another to create a staircase effect and moving the dam upstream. The method is the cheapest and least secure way of building a dam. The national mining agency (ANM) also wants mining companies to remove facilities from risky areas in no more than six months. 

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