House panel probes environmental groups for alleged coordination with Biden officials on halting Minnesota’s Twin Metals mine

A Republican-led House Natural Resources Committee has launched an investigation into three national environmental organizations, seeking records that could reveal secret collaboration between the groups and Biden administration officials before federal mineral leases for the controversial Twin Metals copper-nickel mine in northern Minnesota were canceled in 2022.

Within 48 hours of dispatching formal information requests on Monday, the inquiry has refocused attention on the years-long dispute over mining near the Boundary Waters Canoe Area Wilderness and raised questions about how interest groups of every kind seek to influence public-lands policy.

Committee Chair Bruce Westerman of Arkansas and two subcommittee chairs—Minnesota Rep. Pete Stauber and Arizona Rep. Paul Gosar—sent separate letters to Earthjustice, the Center for Biological Diversity, and The Wilderness Society. The lawmakers want the organizations to submit emails, calendar entries, and other documents that could reveal any “collusion with the Biden administration” regarding Twin Metals, according to the information request first reported by the Duluth News Tribune.

The committee’s letters claim that staff from the three groups met privately with Department of the Interior officials in 2021 while simultaneously suing the federal government over the leases. Westerman, Stauber, and Gosar argue that such parallel advocacy might violate ethical standards and warrant congressional oversight.

Kieran Suckling, executive director of the Center for Biological Diversity, called the probe political theater. “This is persecution, pure and simple,” he said, adding that routine meetings with federal agencies are “a normal part of the policy process” and that no law prevents an advocacy group from litigating while also lobbying.

Earthjustice and The Wilderness Society echoed that position, saying they will review the committee’s request but see no evidence of wrongdoing. All three groups have campaigned for years against locating a sulfide-ore mine upstream from the Boundary Waters, warning that acid drainage could permanently damage one of the nation’s most pristine freshwater ecosystems.

Twin Metals, a subsidiary of Chilean mining giant Antofagasta, wants to build an underground mine near Ely, Minnesota, tapping one of the world’s largest untapped reserves of copper, nickel, and other minerals critical to electric-vehicle batteries and renewable-energy technology. Proponents, led by northern Minnesota lawmakers, say the project would create hundreds of high-paying jobs in a region seeking economic development.

Opponents point to sulfide-ore mining’s long record of waterway pollution and note that even state-of-the-art containment systems could fail next to a wilderness area visited by hundreds of thousands of paddlers annually. This argument found support within the Biden administration: in January 2022, the Interior Department canceled Twin Metals’ decades-old leases, and one year later the department withdrew 225,504 acres of surrounding watershed from future mineral leasing for 20 years.

Those decisions angered Stauber, whose district covers the Iron Range. The Republican congressman has repeatedly accused the administration of yielding to “radical activists” who, he contends, disregard Minnesota’s mining heritage. The current investigation is his latest move in a battle that has pitted pro-mining forces against environmentalists and fractured much of the state’s political establishment.

What the Committee Wants

In its letters, the Natural Resources Committee sets a December 18 deadline for the three nonprofits to produce:

All communications since January 2021 with Interior Secretary Deb Haaland, Forest Service officials, or White House staff concerning Twin Metals or the Boundary Waters.
Any draft press releases, litigation documents, or fundraising appeals related to the lease cancellations.
Financial statements that could show whether legal work on Twin Metals was funded by federal grants.

The panel characterizes the request as voluntary and stops short of a subpoena, though it hints that compulsory measures may follow if the groups do not comply. Investigators also seek in-person interviews with each organization’s top executive.

Westerman maintains that transparency requires a thorough examination of “back-room dealings” that may have shaped policy. “Americans deserve to know whether special-interest groups steered a major natural-resource decision that will affect jobs, national security, and our ability to source critical minerals at home,” he said in announcing the probe, according to the Duluth News Tribune.

Environmental Groups Push Back

The nonprofits contend the committee is mischaracterizing ordinary advocacy as illicit coordination. Suckling says the Center for Biological Diversity met with Interior officials to share scientific studies and legal arguments—activities fully protected by the First Amendment. Earthjustice staff note they regularly brief agencies on litigation to encourage settlements or policy solutions that avoid protracted court battles.

“For decades, administrations of both parties have listened to stakeholders, including industry and conservation groups, when making public-lands decisions,” said Mike Fahley, senior counsel at Earthjustice. “That’s not collusion; that’s democracy.”

Wider Political Context

Republicans took control of the House last year pledging to increase oversight of what they characterize as the Biden administration’s “war on American resources.” The Twin Metals lease cancellation figures prominently in that critique, with GOP leaders citing it as evidence that President Biden’s climate agenda sacrifices domestic mining even as demand for critical minerals rises.

Democrats respond that safeguarding national treasures like the Boundary Waters does not impede domestic supply chains, pointing to substantial nickel deposits in Michigan and copper reserves in Arizona that already operate under robust environmental standards. Minnesota Democratic lawmakers remain divided: Rep. Betty McCollum supported the lease withdrawal, while Sens. Amy Klobuchar and Tina Smith have called for a fair environmental review before any outright prohibition.

Legal Landscape

Twin Metals is suing the Interior Department in federal court, arguing the lease cancellation violates previous contractual rights. A decision could arrive next year and may determine whether the project proceeds or stalls indefinitely. Meanwhile, the 20-year mineral withdrawal remains in place unless a future administration reverses it or Congress enacts permanent protections, as some lawmakers have proposed.

The House committee’s investigation does not directly affect that lawsuit, but documents it obtains could be used by Twin Metals to strengthen its case. Environmental lawyers note the committee’s demands resemble discovery requests typically handled by judges, not elected officials.

Economic Stakes

If constructed, Twin Metals could produce 20,000 tons of ore daily and create up to 750 full-time jobs, according to company filings. Supporters emphasize those numbers in a region where taconite employment has declined. The Wilderness Society argues that the Boundary Waters’ recreation economy, valued at roughly $900 million annually, would face risk if tourism declines due to pollution concerns.

What Comes Next

While congressional oversight serves a legitimate function, this investigation demonstrates how resource debates increasingly blur the boundary between policymaking and political messaging. By targeting nongovernmental organizations rather than federal agencies alone, House Republicans are testing the limits of their authority to scrutinize advocacy contacts—an area traditionally protected by free-speech protections. If subpoenas follow, the dispute could trigger a court battle over separation of powers and citizens’ right to petition their government.

For the Biden administration, the inquiry poses little immediate risk; lease decisions rest within executive authority, and the mineral withdrawal is lawful absent congressional reversal. Yet the probe could complicate any future effort to develop a bipartisan minerals strategy that reconciles climate goals with domestic mining.

On the ground in Minnesota, the episode is likely to sharpen already stark divisions. Pro-mining officials will cite the investigation as proof that Twin Metals was derailed by political favoritism, while environmental advocates will frame it as an intimidation tactic designed to discourage civic participation.

The controversy shows no sign of subsiding. With court rulings, potential subpoenas, and an approaching presidential election all in play, the fate of the Twin Metals mine—and the political fortunes tied to it—remains uncertain.