Amazon gold mining wipes out rainforest regeneration for years: Study

By Taran Volckhausen

  • New research looking at Amazon artisanal gold mining in Guyana has found that the destroyed Amazon forest at mining sites shows no sign of recovery three to four years after a mine pit and tailings pond are abandoned, likely largely due to soil nutrient depletion.
  • In addition, mercury contamination at the sites drops after a mine is abandoned; mercury is used to process gold. Mercury being a chemical element, it does not break down but can bioaccumulate, so its onsite disappearance means the toxin is possibly leaching into local waters, entering fish, and poisoning riverine people who eat them.

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