Great Lakes
Partnerships
Great Lakes Aquatic Invasive Species
Aquatic invasive species may be the most significant threat to the health of the Great Lakes. Scientists estimate the Great Lakes have been invaded by more than 180 species and cost more than $200 million annually in lost revenue and prevention strategies.
Need to Contact Us?
We're glad you found The Nature Conservancy's Great Lakes priority page. If you need to get in contact with one of our experts or chapters, follow the link below.
See the Places We Protect in the Great Lakes
The Nature Conservancy has helped protect more than 100 sites throughout the Great Lakes, including prairies, savannas, forests, wetlands and rivers.