Canadian smelters pump out toxic waste - report
The Canadian Environmental Defence Fund said mining smelters in Canada released more than 2.3 million pounds of heavy metals in 1998, including arsenic, mercury, lead and nickel compounds, all highly
The Canadian Environmental Defence Fund said mining smelters in Canada released more than 2.3 million pounds of heavy metals in 1998, including arsenic, mercury, lead and nickel compounds, all highly