Brazil: Illegal gold mining releases carbon into the atmosphere and contaminates soil with mercury

  Miners introduce mercury to separate gold from the environment: the combination of these two metals forms a substance called amalgam, which is then burned (to extract pure gold) and the mercury residue is discharged into water and soil.

read more... https://noticiasambientales.com/science/brazil-illegal-gold-mining-releases-carbon-into-the-atmosphere-and-contaminates-soil-with-mercury/