[ORGANIZATION]
Sigma Mineração
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Situations
Vale mining safety and regulatory scrutiny in Brazil
3 clusters · 12 sources · last updated
Latest: Vale sued by MPF over environmental damage in Congonhas mine
Vale is facing increasing regulatory and legal scrutiny regarding mining safety and environmental management in Brazil. In August 2026, the National Mining Agency (ANM) issued an embargo on Vale’s Maravilhas II tailings