The Minnesota Pollution Control Agency has been trying for years to figure out how to get taconite mines to reduce the sulfate in their effluent because it damages wild rice. The current effort involves something called Site Specific Standards, and it looks likely that it will have no more success than previous attempts.
Taking steps to put the St. Louis River on a mercury diet.
Recent research reveals more about the lives of wolves on the Fond du Lac Chippewa Reservation and in Voyageurs National Park.
Recent research on some of Minnesota’s native fishes pinpoints astonishing longevity and an important role in ecosystems.
A deadly fungus is threatening bats across the continent and it’s pushed several species towards extinction. But some scientists are hopeful they’ve found a solution: a “bug buffet.”
Recent studies show how protected waters of Midwest National Parks are affected by global forces.
Scientists have learned a lot about aquatic invasive species, and experts now say the appearance of an exotic species in a body of water doesn’t necessarily mean the end of life as we know it.
A sight to behold
“We’ll use these stable isotope fingerprints of mercury to look at what source is being methylated and getting into the fish,” says USGS’s Sarah Janssen.