The highest court in Minnesota announced this week that it will hear a challenge to a key permit for the proposed PolyMet copper-nickel mine in northeastern Minnesota. It will consider the mine’s water pollution permit, and controversy…
The Minnesota Pollution Control Agency has affirmed a permit issued to PolyMet, ignoring possible planned expansion of mine after permitting.
Federal agency overrules state’s efforts to ignore sulfate pollution.
Decision in lawsuit finds that agency tried to keep criticisms from public, but did not violate any statutes.
Volunteers are vital to measure how clear lakes and streams are, providing valuable information to track long-term health.
Witnesses and additional evidence were examined after the Court of Appeals ordered a hearing into how state and federal officials worked together to convey concerns over mining pollution.
State agency finds many lakes and streams are contaminated by pollutants across the Boundary Waters, northern Minnesota region.
EPA releases additional emails that show communication between state and federal government agencies about holding back official comments critical of the project’s water permit.
Partnerships with state of Minnesota helps gather important information about the health of canoe country’s beloved clean lakes.
After being ruled too vague to protect rice or provide certainty to industries, state scientists will try to come up with a clearer way to implement research findings.
Multi-year study finds the Boundary Waters and surrounding area have clean and healthy lakes and streams.
After years of debate, scientists recommend a complex equation to calculate how much sulfate is safe to discharge into waters where wild rice grows.
Company seeks to use water, discharge wastewater, and use dams around its tailings basins.
The Minnesota Pollution Control Agency is seeking volunteers to help monitor conditions in remote wilderness lakes.
The Minnesota Pollution Control Agency has commenced a major study of water in the region.
Minnesota Pollution Control Agency changes plan to announce recommendations for regulating discharges from mines and other facilities.