The mining process generates liquid waste called slurry, a mix of carcinogenic compounds and heavy metals. The slurry is stored in open lagoons that, of course, sometimes break and flood. This is even more likely during periods of heavy rainfall and flooding (such as during global warming).
The laws of physics dictate that where energy is consumed, equal energy must be generated to replace it. We have been living in defiance of basic natural law, taking more than our share and not giving enough back in return.
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