MGX Minerals is rolling out technology that cleans and harvests lithium from wastewater generated by oil and gas – 80m barrels a day in North America alone.
It is not the first time Chinalco, China's biggest state-owned aluminium producer, has run afoul of the country's ever stricter environmental regulations.
Battery materials can charge mining's next supercycle but new study says automakers will "throw away tens of billions" making electric vehicles no-one wants.