How important is a Twin Metals mine to supply critical minerals?

On one hand the fight over the proposed Twin Metals mine outside Ely, Minn., is a classic “Not in My Back Yard” fight. Opponents condemn the severe environmental risks posed to the federally protected Boundary Waters Canoe Area Wilderness; supporters tout the hundreds of high-paying jobs the mine would create, and billions of dollars in investment it would bring to the region. 

But more recently, backers of the proposed project have pushed a more global argument — that the minerals the mine would extract are essential to confront climate change. 

"The World Bank has said we're going to need as much copper in the next 25 years as we've mined in the last 5,000,” said Julie Padilla, chief regulatory officer for Twin Metals. “And every year, we can produce enough nickel for 280,000 electric vehicles from this project." 

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