Vice-presidential nominee Tim Walz's environmental stance, scrutinized

Minnesota Governor Tim Walz, now the Democratic vice-presidential nominee, faces criticism from environmentalists for his cautious approach to mining in the state, balancing economic development with environmental protection.

Hannah Northey reports for E&E News.


In short:

  • Governor Tim Walz has been criticized for not taking decisive action against mining developments in Minnesota, despite being viewed as a climate champion. Concerns are raised about potential environmental damage from mining projects near critical watersheds.
  • Walz is caught between promoting economic growth and securing resources for clean energy while protecting Minnesota's environment. He supports sustainable mining and maintaining a robust permitting process without overtly opposing mining interests.
  • Environmental groups express disappointment in Walz's defense of mining permits and call for stronger regulations, while mining companies and unions see him as pragmatic and supportive of job creation.

Key quote:

“On many issues, he’s been very strong for the environment, but on this one, he’s been on the sidelines.”

— Chris Knopf, executive director, Friends of the Boundary Waters Wilderness.

Why this matters:

Minnesota's untapped nickel and copper deposits are vital for clean energy technology. As demand for these metals grows, the state’s mining policies are under scrutiny for their potential environmental impacts, including water pollution and habitat disruption, and their economic implications for local communities and the broader region.

Related: Tim Walz’s energy record sparks debate on environmental policies

Battle ships heading into the sunset

Water, power, and the future of conflict

Explore the rise of water as a geopolitical weapon influencing global security, economics, and environmental stability in 2026.
A view of the Salton Sea with mountains in the background

The clean energy transition at the Salton Sea

California holds vast stores of lithium, but mining projects stir debate over environmental costs and economic benefits.

A worker at a steel plant

Indonesia’s steel expansion risks a surge in greenhouse gas emissions

Indonesia’s steel industry is becoming one of the country’s fastest-growing sources of greenhouse gas emissions, even as it receives far less public attention than other carbon-intensive sectors.

An oil pump jack in a dry field

New Mexico again debates greenhouse gas reductions as snow melts

Lawmakers table bill to expand the use of oilfield wastewater and shoot down another that would restrict drone use around “critical” infrastructure.

A gray warehouse type building on a brown field on a sunny day

Data centers are scrambling to power the AI boom with natural gas

As tech giants find creative ways to generate electricity, they’re building a glut of new fossil fuel projects.
U.S. Congressman Jim Jordan speaking at the 2015 Defending the American Dream Summit
Credit: Gage Skidmore/https://creativecommons.org/licenses/by-sa/2.0/https://www.flickr.com/photos/gageskidmore/

Federal Judicial Center pulls climate change chapter from official manual for U.S. judges

The “Reference Manual on Scientific Evidence” — updated for the first time in 15 years — eliminates some 90 pages about climate science and comes just as numerous climate cases make their way through state and federal courts.
US Supreme Court roof and pillars in evening sun and shadow.

Trump EPA to take its biggest swing yet against climate change rules

With its plans to revoke the endangerment finding, the administration is gambling that the U.S. Supreme Court will allow it to completely avoid regulating the nation’s top greenhouse gas sources.

From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.