Modern industries of gold mining destroying landscape and also creates huge amounts of toxic waste. Because to the use of dirty practices such as cyanide heap leaching contents and open pit mining, mining companies generate about 40 tons of toxic waste for every 0.444 ounce gold rings. The waste, usually a gray liquid sludge, is laden with toxic heavy metals and deadly cyanide.
Many gold mines dump their toxic waste directly into natural water on the sea. The Lihir gold mining in Papua New Guinea dumps over 7 million tons of toxic waste into the Pacific Ocean each year, destroying ocean life and coral. Companies mining for metal and other companies for gold in total dump at least 200 million tons of toxic waste into rivers, lakes, and oceans each year more than 4.6 times the waste that U.K. cities send to landfills on a yearly basis.
To limit the environmental impacts, mine companies often construction dams and placing the toxic waste inside dams. But these dams do not always preventing contamination around the environment. So this things make Toxic waste can easily seep into ground water and soil, or would be released in catastrophic dumps. At the word’s estimated 2,300 dams built to holding toxic waste on the mining, two or three major spills of toxic waste occur every year.
Toxic waste spills have had devastating consequences in China, Russia, Romania, Ghana, Peru and south Africa China. In 2014, a dam collapsed at the Mount Polley gold and copper mine in England, sending about 35 million cubic meters of cyanide-laden waste into nearby rivers and lakes enough to fill about 7,900 Olympic-sized swimming pools. The spill killed fish, harm local tourism and poisoned water supplies. For more information about the potential effects of a gold mine here.