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Sea lamprey population plunges in Lake Superior, decline in most Great Lakes

According to the Great Lakes Fishery Commission, the number of invasive, destructive sea lamprey is declining in the Great Lakes. In Lake Superior, the Commission said the 2026 adult sea […] ...
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Unclear how much oil spilled in Great Lakes waters in 6,000-plus incidents over 10 years

New research has identified 6,453 oil spills of varying size across the Great Lakes. The researchers found that data on the specific amount of oil spilled during most of these […] ...
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Microplastics trigger inflammation linked to disease and death. Now scientists appear to have discovered why

A new study found that chemical reactions between water and six types of fossil fuel-based plastic created particles that damaged red blood cells and proteins in laboratory tests. The study […] ...
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Lake Explorer II Research Vessel scientists show off operations and equipment

Science lovers got the opportunity to board the U.S. Environmental Protection Agency’s Lake Explorer II—a Great Lakes research vessel—and learn about its operations to research harmful algal blooms, ...
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Sturgeon Fest releases 1,500 fish with hopes of boosting Lake Erie population

The Toledo Zoo and Aquarium’s annual Sturgeon Fest released 1,500 juvenile lake sturgeon into Ohio’s Maumee River to help restore the species’ historically depleted Lake Erie population. In ...
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Great waste in the Great Lakes: How plastic pollution is clogging our waters

Plastic pollution is a growing problem in the Great Lakes region. Microplastics threaten aquatic ecosystems, fish populations, and drinking water for millions of people. Plastic companies have largely ...
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Clean water advocates worry about data center impact on drinking water

Clean water advocates are raising concerns about the impact of expanding data centers on drinking water supplies and Great Lakes ecosystems, citing their heavy water use and the potential for ...
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More ships, more cargo: Great Lakes-St. Lawrence Seaway tonnage up 3.5 per cent through end of September

Cargo traffic on the St. Lawrence Seaway increased 3.5% through September 2026 compared with the same period in 2025, reaching nearly 24.9 million metric tons as vessel transits also rose […] ...
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Lake Michigan waves could top 25 feet as gales hit the Great Lakes

Gale-force winds are expected to sweep across the Great Lakes, whipping up occasional offshore waves nearing 30 feet in southern Lake Michigan. Read the full story by Milwaukee Journal Sentinel.
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DNR studying Muskegon River as alternative spawning area for lake whitefish

The Michigan Department of Natural Resources is studying whether the Muskegon River could provide an alternative spawning habitat for declining lake whitefish populations in Lakes Michigan and Huron, ...
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US wildlife partners spent years protecting more than 1,700 acres along Wisconsin’s Lake Superior shore

The U.S. Fish and Wildlife Service and Landmark Conservancy partnered to protect more than 1,700 acres along Wisconsin’s Lake Superior shoreline, preserving forests, wetlands and streams that support ...