Controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2019
Sea of Cortés sulfuric-acid spill
Approximately 3,000 liters of sulfuric acid were reported to have spilled from company-owned pipes near Guaymas. Reports described injuries and alleged damage to marine life.
2014
Río Sonora spill
A spill from the Buenavista del Cobre operation released copper sulphate into the Sonora and Bacanuchi rivers. The incident was described in the reference material as Mexico’s largest environmental spill and generated continuing disputes about remediation and compensation.
2006
Pasta de Conchos mine disaster
An explosion at the Pasta de Conchos coal mine in Coahuila trapped miners and led to deaths, prolonged disputes over recovery of remains, and criticism of mine safety, labor relations, investigation, and compensation.
ASARCO environmental liabilities
ASARCO has been held responsible for pollution associated with numerous United States Superfund sites. These historical liabilities remain part of the environmental controversy surrounding Grupo México’s United States mining interests.