Business

Why do upstream tailings dams remain active in Brazil?

tailings dam

On January 25, 2019, the world looked on in horror at the wave of mud unleashed by the Brumadinho dam collapse. The incident, the second of its kind in just over three years, killed 246 people, polluted river basins, and destroyed entire parts of a city. After the disaster, authorities promised to act—imposing tougher regulations on tailings management and punishing the culprits. But now, seven months later, the federal government decided to adopt a more lenient approach with mining companies.

The National Mining Agency (ANM) has just issued a new norm establishing longer deadlines for miners to...

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