Hundreds of barges of illegal gold miners are navigating along the Madeira River in the Brazilian Amazon, and researchers said they pose a threat of pollution for the broader environment
ON THE RIO MADEIRA, Brazil (AP) Hundreds of barges of illegal miners dredging for gold were navigating along the Madeira River in the Brazilian Amazon on Friday, and researchers said they posed a threat of pollution including toxic mercury for the broader environment.
Hundreds of barges of illegal miners dredging for gold were navigating along the Madeira River in the Brazilian Amazon on Friday, and researchers said they posed a threat of pollution including toxic mercury for the broader environment. The barges were spotted this week by the municipality of Autazes, some 120 kilometers (70 miles)…
Environmentalists alarmed by miners using mercury to separate gold from river sediment, a process that gives off noxious vapors and sometimes spills the toxic element into the river
ON THE RIO MADEIRA, Brazil (AP) Hundreds of barges of illegal miners dredging for gold were navigating along the Madeira River in the Brazilian Amazon on Friday, and researchers said they posed a threat of pollution including toxic mercury for the broader environment.