A researcher records sounds under the surface of Minnesota lakes and hopes to learn whether humans are disturbing the lives of the denizens of the deep.
Confronting Great Lakes invaders
Mid-ocean ballast water exchange is working well to keep non-native aquatic organisms from invading the Great Lakes, but scientists are racing to find more secure solutions.
Battle over Manoomin
Tribal governments and the state of Minnesota offer competing plans for protecting wild rice.
Green Bay project promises answers for thorny questions about agricultural runoff
An experiment with before-and-after data could provide focused information about how well various practices work to reduce nutrient pollution of streams and lakes.
River of oil poses risks to Wild and Scenic watershed
Network of heavy crude pipelines criss-crosses northern Minnesota and Wisconsin, including the St. Croix River headwaters.
“Indian Country is clearing its throat”
Tribes are working on many fronts to push Minnesota to do a better job of protecting the environment.
Book Review: The Death and Life of the Great Lakes by Dan Egan
A vivid history and sober analysis of the many threats the Great Lakes face.
Walking With Water
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Dueling lawsuits over Minntac permit
The Minnesota Pollution Control Agency is at the center of lawsuits over a long-delayed water quality permit for the Minntac taconite mine.
Minnesota tweaks wild rice rule
Minnesota adjusts a formula designed to protect wild rice waters from sulfate pollution.