Stripped of trees, the soil is unstable, and little or nothing is done to shore up the sides of pits like the one that collapsed on Wednesday. Heavy rains cause landslides and wash silt, often combined with the mercury and cyanide used to process the gold, into a nearby river.
read more... https://www.ncronline.org/news/earthbeat/earthbeat-weekly-worlds-hunger-gold-deadly-miners-environment
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