Researchers have identified a matrix of risks that the mining industry must overcome to unlock vitally important copper reserves. Geologists have said copper would be crucial in a renewable-powered future, but global supplies were far from guaranteed.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190306100600.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190306100600.htm
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