Data, maps, and reports are available at the lake-level (Great Lakes), for each state ... and Wisconsin Departments of Natural Resources (DNR) who helped us by providing access to fishing license and ...

As executive director of the Great Lakes Observing System, she’s leading a campaign to map every meter of the lakes’ bottom.

New research suggests an ancient hotspot helped shape the Great Lakes, challenging traditional formation theories.

The small plastic particles are "ubiquitous" in Great Lakes water, sediment, plants, fish and beaches, an international panel ...