PolyMet project put on hold while court considers permitting ‘irregularities’
Controversial copper mine in northern Minnesota will have to wait to move forward until courts consider possible agency cover-up.
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EPA releases PolyMet water quality comments, begins internal investigation of possible cover-up
Environmental advocates pressure federal agency to make public the comments it only communicated verbally to state officials.
Former Minnesota governor calls for reconsideration of PolyMet permits
Arne Carlson and another retired official say new information has come to light that requires a review of how the mine proposal was permitted.
Environmental groups and Ojibwe tribe call for new evaluation of PolyMet mine design after Brazil disaster
Mining opponents say PolyMet proposes a dam to hold its tailings that has direct connections to a deadly disaster this January at the Córrego do Feijão iron ore mine in southeastern Brazil.
Documents reveal EPA comments critical of PolyMet may have been silenced by federal officials
Rep. Betty McCollum promised to use her powerful subcommittee to investigate if the agency blocked its staff from sending written comments to Minnesota regulators.
New northern Minnesota representative in Congress pushes PolyMet land exchange
Rep. Pete Stauber introduces legislation to ensure PolyMet can hold onto National Forest land it has already acquired.
State issues final permits to PolyMet for copper-nickel mine in northern Minnesota
Minnesota Pollution Control Agency approves air and water plans, while environmentalists say the decisions are based on bad information.
Environmental groups sue to stop PolyMet, strengthen Minnesota mining regulations
Eight organizations file lawsuits to challenge permits for the state’s first copper mine and revise rules.
State of Minnesota issues permits for PolyMet mine proposal
DNR announces it is giving the copper-nickel mine proposal a green light after years of review and debate.
New video documents canoe trip up Partridge River to PolyMet’s proposed mine site
Mining opponents show river and wetlands that would be most affected by the proposed copper-nickel mine in the Lake Superior basin.
PolyMet says mine proposal has become less profitable
Rising costs and falling metal prices shed doubts on economic viability of the mine proposal.
Draft permit released for PolyMet copper mine proposal in northern Minnesota
The major milestone is one of the final hurdles before the company can start mining, and initiates a two-month public comment period.
PolyMet and state agency disagree on mine proposal’s closure costs
Debate over ‘damage deposit’ ramps up with dueling reclamation estimates.
Minnesota governor announces support for PolyMet mine proposal
Mark Dayton tells newspaper he believes the economic benefits and environmental risks can be balanced.
Coalition calls for nearly a billion dollar ‘damage deposit’ from PolyMet
Expert says mining company based its cost estimates on faulty assumptions that minimize the risks to taxpayers.
Minnesota members of Congress push PolyMet land exchange
Legislation would let mining company acquire public land despite claims that it’s a bad deal for taxpayers.
Forest Service Agrees to Trade Land with PolyMet
Federal government plans to give the company 6,500 acres for its mine in exchange for lands elsewhere on the National Forest.
PolyMet Applies for Key Mining Permit
Mining company submits long-awaited application to mine copper, nickel and other metals on the Superior National Forest.
PolyMet Submits First Permit Applications for Proposed Mine
Company seeks to use water, discharge wastewater, and use dams around its tailings basins.
PolyMet Mine Proposal Completes Environmental Review
Minnesota officials declare the state’s first copper-nickel mine proposal ‘adequate’ and ready to seek permits.