Backers of the proposed project have argued that the minerals the mine would extract are essential to confront climate change.
"The renewable energy transition is not going to happen without the mining industry. That's just a fact,” said Jordy Lee, who manages the Supply Chain Transparency Initiative at the Colorado School of Mines.
But that critical need for minerals is bumping up against another reality: Many mining projects proposed in the U.S. face fierce local opposition.
Nowhere is that more evident than in far northeastern Minnesota, where last week the Biden administration canceled two federal mineral leases held by Twin Metals right on the edge of the Boundary Waters.
In this story, reporter Dan Kraker breaks down supply chain issues in the mining industry, and the potential impact a Twin Metals mine could have on the critical mineral supplies for the U.S. | 
