Mine processing wastes, or tailings, can contain as many as three dozen dangerous chemicals including arsenic, lead, mercury, and cyanide. The report found that the mining industry has left mountains of such waste from Alaska and Canada to Norway and Southeast Asia.
“Polluting the world’s waters with mine tailings is unconscionable, and damage it causes is largely irreversible,” said Payal Sampat, international program director for Washington, DC-based Earthworks. “Mining companies must stop using our oceans, rivers, and lakes as dumping grounds for their toxic waste.”
The report says some multinational mining companies are guilty of a double standard.
“Some companies dump their mining wastes into the oceans of other countries, even though their home countries have bans or restrictions against it,” said Catherine Coumans, research coordinator for Ottawa-based MiningWatch Canada. “We found that of the world’s largest mining companies, only one has policies against dumping in rivers and oceans, and none against dumping in lakes.”
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