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Mining can have harmful effects on surrounding surface and groundwater. [10] If proper precautions are not taken, unnaturally high concentrations of chemicals, such as arsenic, cyanide, sulphuric acid, and mercury can spread over a significant area of surface or subsurface water. [11]
“Cobalt mining is the slave farm perfected,” Mr Kara writes. Cobalt is toxic to touch and breathe in, and can be found alongside traces of radioactive uranium. Cancers, respiratory illnesses ...
The environmental effects of mining these materials can pollute or deplete soil and water; and the effects can last for centuries. The impacts of mining spread through the community where the mining takes place. Tailings from mining can get into water, spreading harmful toxins. [14]
Cobalt is an essential element for health in animals in minute amounts as a component of vitamin B 12. A deficiency of cobalt, which is very rare, is also potentially lethal, leading to pernicious anemia. [1] Exposure to cobalt metal dust is most common in the fabrication of tungsten carbide. [2]
What’s remarkable about cobalt mining in the Democratic Republic of Congo is that more than half the world’s cobalt in buried there, in a land riven by cruelty and corruption for centuries ...
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The toxic effects of arsenic, mercury and lead were known to the ancients but methodical studies of the overall toxicity of heavy metals appear to date from only 1868. In that year, Wanklyn and Chapman speculated on the adverse effects of the heavy metals "arsenic, lead, copper, zinc, iron and manganese " in drinking water .
Instead, it impacts the whole country as low wages for high-risk mining worsen poverty rates, exacerbating negative social impacts such as conflict, higher crime rates, and child mortality. The effects of the exploitation of natural resources in the local community of a developing country are also exhibited in the impacts from the Ok Tedi Mine.