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New Measures To Clean Up Mexico's Rio Sonora


Mexican Secretary of Environment Victor Toledo promised to transform the Sonora River Valley from the site of a disaster into a region of hope. In August 2014, Grupo México’s Buenavista copper mine spilled nearly 11 million gallons of toxic waste into the Sonora and Bacanuchi rivers. It’s considered the worst mining disaster in Mexican history. Toledo called on the company to use its "enormous earnings" to resolve ongoing environmental and health issues in the Rio Sonora caused by the mining spill, adding that the company's earnings last year amounted to more than three times the budget for Mexico's Environmental Ministry.