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Scientists examine lake mud to learn why toxic algae is in protected lakesToxic algae threaten protected lakes in the Superior National Forest and the Boundary Waters Canoe Area Wilderness in Northern Minnesota. Sediment may have the answer.

Young scientists contribute to critical studies of lakes and rivers at St. Croix Watershed Research StationFrom their home base along the St. Croix River, the next generation of water researchers is making an impact across Minnesota.

Scientists search for cyanobacteria in Boundary Waters: Part IIntense study of several northern Minnesota lakes seeks answers about past and future of region's famous waters.

Tackling the rise of toxic algae in Minnesota wilderness waters: what does it mean for visitors?Blue-green algae is spreading in BWCA lakes. A $1.3 million grant will be used to study its impact. Visitors can reduce their exposure.

Scientists search for cyanobacteria in the Boundary Waters: Part IIThe levels of toxic chemicals from cyanobacteria is measured, to determine the link between the organisms and their harmful byproducts.

Boundary Waters algae blooms spark questions, concernBlue-green algae is typically found in lakes with heavy nutrient runoff from nearby farms, lawns and roads. But researchers are now trying to figure out what’s causing the sometimes harmful blooms in more remote lakes in northern Minnesota, including in the Boundary Waters Canoe Area Wilderness.

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