Mine ponds cause toxic mercury pollution in the Peruvian Amazon

Mining News Pro - A recent study by researchers in Peru and the US found that, in the past 35 years, there has been a 670% increase in the extent of pits and ponds created by miners digging for small deposits of alluvial gold in the Peruvian Amazon.

Esfahan Mobarakeh Steel co.
HOSCO
khuzestan steel
chadormalu Co.
ghadir neiriz co
IranAluminaJaajarm
sangan steel
ahan o fulad golgohar