Invasive species

Once invasive species are established in the Great Lakes, it is nearly impossible to remove them. Preventing them from ever entering is the best way to protect the Great Lakes.

Visit our campaign page to learn more about preventing invasive species from entering the Great Lakes. Learn more about invasive species below.

Hard-Fought Great Lakes Protections Under Attack

Invasive species, like zebra mussels and round gobies, have wreaked havoc on the Great Lakes. Brought in via ballast water tanks on ocean-going ships, invasive species out-compete native species and […]

Press Release

January 14, 2015

New data show multiple hits of Asian carp DNA just yards from Lake Michigan

Joint press release from Alliance for the Great Lakes • Healing Our Waters-Great Lakes Coalition • Milwaukee Riverkeeper Natural Resources Defense Council • National Wildlife Federation • Ohio Environmental Council […]