Harmful algae blooms in Voyageurs, Isle Royale focus of new study
Federal agencies conducting research to understand threat of toxins produced by cyanobacteria
Federal agencies conducting research to understand threat of toxins produced by cyanobacteria
State agency will debate PolyMet tailings permit and evaluate overall regulations.
New reports detail pristine waters of northeastern Minnesota, threats to the health, and strategies to protect them.
In significant decision, federal agency says pollution from the proposed PolyMet copper-nickel mine “may affect” downstream lakes and rivers under the jurisdiction of the Fond du Lac Band of Lake Superior Chippewa.
Federal agency overrules state’s efforts to ignore sulfate pollution.
Justices reverse state decisions about indefinite water treatment and tailings basin liner, while upholding other points.
State assessment finds a coldwater stream with wild fish thriving — in the shadow of major mines.
Federal agency says state can’t leave lakes off impaired waters list simply because legislature won’t allow pollution enforcement.
BWCAW is #3 on the list of America’s Most Endangered Rivers, threatened by pollution from proposed mine.
Letter requests new administration complete its analysis of whether mining can be done safely in Boundary Waters watershed.
Government attorneys, engineers, and scientists hit the brakes on both proposed mines in Minnesota’s northwoods.
Mark Dayton: “…the only acceptable goal is permanent protection from copper mining near the Boundary Waters.”
Third preserve in canoe country region gets international recognition for lack of light pollution.
State seeks to use new method to assess discharge from mines and other industrial facilities — discarding long-standing allowable levels.
New rounds of correspondence between DNR and mining company tries to nail down details needed for environmental review.
Legislation would require high standard of evidence that a mine can be operated without polluting. “Before they put a shovel into the ground…”
Northern Minnesota’s National Park follows Boundary Waters in being certified by international organization.
Distant sources of air pollution affect visibility and ecology in the Boundary Waters and beyond — efforts are underway to help.
BWCAW awarded prestigious Dark Sky status from international organization concerned with light pollution.
Decision in lawsuit finds that agency tried to keep criticisms from public, but did not violate any statutes.