Trees Store The Memory Of Reckless Gold Mining In The Peruvian Amazon Rainforest
atomic number 79 minelaying is put an immense strain on the Amazon rainforest , but the trees might have a secret weapon up their barque . Just as tree band can record the passage of time and shifts in climate , new research shows they can also serve to chase down destructive amber excavation practice . Here ’s how it works : human - made emissions of mercury are produced by artisanal and small - musical scale gold excavation , much of which occurs deep in the rain forest where it is unregulated , undocumented , and illegal ....