In a review paper recently published in the journal Land Degradation and Development, Shrabya Timsina and Nora Hardy focused on the effects of surface gold mining in tropical regions, a growing environmental concern in recent years. According to a 2012 study, mining accounts for 7% of deforestation in developing nations and large-scale and artisanal, small-scale gold mining techniques such as open-pit mining and dredging are becoming more prevalent in the Amazon and West Africa.
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Source: Phys.org