Researchers at Dartmouth College analyzed satellite data and discovered that artisanal mining is altering the water clarity and dynamics of the Madre de Dios River watershed in the Peruvian Amazon.
In a paper published in the Proceedings of the National Academy of Sciences, the researchers explained that higher levels of suspended sediment were found in rivers near the mining sites. The sediments contain mercury and other contaminants.
According to the Center for Amazonian Scientific Innovation, Canada’s NGO Artisanal Gold Council has registered that some 181 tonnes of mercury are released into the environment every year in the Madre de Dios region. Continue Reading →