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. See the latest news about invasive species below.

Press Release

August 8, 2018

Statement from Alliance for the Great Lakes on the Discovery of Two New Non-Native Species in the Great Lakes

Chicago, IL (August 8, 2018) – Earlier today, Cornell University Biological Field Station announced the discovery of two new non-native species of zooplankton – Diaphanosoma fluviatile and Mesocyclops pehpeiensis – […]

Press Release

May 31, 2018

Great Lakes Need Protection from Ocean and Freshwater Ships

Chicago, IL (May 31, 2018) –  A new report released today by the Great Waters Research Collaborative has found that lakers — ships that transit solely within Great Lakes waterways […]

Press Statement

April 18, 2018

Statement: U.S. Senate votes to block bill rolling back Great Lakes protections

Chicago, IL (4/18/18) – Earlier today, the U.S. Senate blocked the Coast Guard Authorization Act of 2017 from moving forward because it contained a poison pill for our nation’s waterways. […]

Press Release

April 12, 2018

Senate Scheduled to Vote Next Week on Legislation to Weaken Rules Protecting the Great Lakes from Aquatic Invasive Species Introductions

Joint Media Statement from: Alliance for the Great Lakes • Citizens Campaign for the Environment • Clean Wisconsin • Michigan League of Conservation Voters • Minnesota Environmental Partnership • National Wildlife Federation • […]

Press Release

March 29, 2018

Seaway Opens for 2018 Shipping Season, Risk of Aquatic Invasive Species Introductions Continues

Chicago, IL (March 29, 2018) – Today marks the start of the 60th shipping season on the St. Lawrence Seaway as the locks on the Welland Canal and in Massena, […]

Press Release

March 28, 2018

City of Chicago Joins Michigan in Stepping Up to Stop Asian Carp

Chicago, IL (March 28, 2018) – In late January, Michigan Governor Rick Snyder announced a new partnership with Ohio, Ontario, and Wisconsin to stop Asian carp. The jurisdictions stepped up […]

Press Release

February 20, 2018

Statement on Discovery of Bloody Red Shrimp in Lake Superior

February 20, 2018 (Chicago, IL) – Last week, news broke that the bloody red shrimp, an aquatic invasive species, was found in Lake Superior. Alliance for the Great Lakes Vice President […]

Press Release

January 31, 2018

Statement: Alliance for the Great Lakes Applauds New Partnership to Stop Asian Carp

January 30, 2018 (South Haven, MI) – Earlier today, Michigan Governor Rick Snyder announced a new partnership with Ohio, Ontario, and Wisconsin to stop Asian carp. Alliance for the Great Lakes […]

Press Release

December 8, 2017

Advocates set the record straight on Asian carp threat to Great Lakes

Joint press release from: Alliance for the Great Lakes; Sierra Club, Illinois Chapter; Natural Resources Defense Council; Prairie Rivers Network; Healing Our Waters Coalition December 8, 2017 (Chicago) – Advocates today set […]

Press Release

November 8, 2017

Great Lakes advocates slam Michigan plan to weaken ballast water standards

LANSING—On Wednesday, November 8, leading advocates for the the Great Lakes and Michigan’s natural resources denounced an effort by Michigan legislators to lower the state’s standards for ballast water treatment […]