In Peru alone, while no one knows for certain the total acreage that has been ravaged, at least 64,000 acres—possibly much more—have been razed. The destruction is more absolute than that caused by ranching or logging, which accounts, at least for now, for vastly more rainforest loss. Not only are gold miners burning the forest, they are stripping away the surface of the earth, perhaps 50 feet down. At the same time, miners are contaminating rivers and streams, as mercury, used in separating gold, leaches into the watershed. Ultimately, the potent toxin, taken up by fish, enters the food chain.

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