Star Tribune
Jim Bowyer

In all of the discussion about copper mining in Minnesota, there is a remarkable lack of references to copper consumption within our state. At the same time that wind and solar energy expansion and electric vehicles are being enthusiastically promoted, the critical role of copper (and nickel) to these developments is never mentioned.

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A return to the Obama-era 20-year moratorium on copper mining in Minnesota, as advocated by some, should perhaps be accompanied by a 20-year moratorium on the development and adoption of renewable energy and electric vehicles, and by a concerted investment to find copper (and nickel) substitutes.

Read More: http://startribune.com/copper-mining-worries-many-many-also-use-copper/486883581/