Reuters: Ivo Lubrinna has been wildcatting for gold in the jungle here for more than 30 years. It’s a notoriously messy business, as crews strip away topsoil in the forest and along riverbanks and use mercury and other pollutants to draw precious metal from mud.
For the past two years, Lubrinna has held a second job: environment secretary for this riverside city of 100,000 people, gateway to the oldest national park and half a dozen nature reserves in Brazil’s vast Amazon wilderness. As such, it’s his…

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