Martin Heinrich: “And there is no doubt in my mind that this is another distributed technology that can be brought down the cost curve.”

These equity acquisitions also create potential conflicts of interest for federal agencies because a significant portion of the planned mining operations are located on federal lands.

I come from a mining family. I'm not against every mine everywhere. My dad worked for Anaconda Copper, and my grandfather was a gold miner. But I learned, negotiating with big companies over natural resource damages, that there are smart…

To put a mine where we went this week just seems insane to me. It would put at risk one of the last great wilderness areas in North America — not just the Boundary Waters, but the Boundary Waters, Quetico and Voyageurs.

We cannot afford to go backwards and make Americans’ health worse.