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.

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August 13, 2019

New Study Finds Asian Carp Threat to Lake Michigan Is Greater Than Previously Thought

Asian carp have long been recognized as a threat to the Great Lakes and the region’s $7 billion fishing industry. But the risk posed by these invasive fish may be […]

Press Release

August 12, 2019

Alliance for the Great Lakes Statement on Asian Carp Study

August 12, 2019 – The University of Michigan released new research earlier today on invasive Asian carp. Their research finds that the fish are capable of surviving in much more […]

Press Release

May 24, 2019

Statement: Corps concludes years-long study of Asian carp prevention options; Congress urged to support the project

May 24, 2019 (Chicago) – Efforts to keep Asian carp out of the Great Lakes took an important step forward yesterday. Commanding general of the U.S. Army Corps of Engineers, […]

Press Release

April 26, 2019

Statement: Alliance for the Great Lakes Applauds Illinois’ Action on Asian Carp

April 26, 2019 (Chicago) — Earlier today, Illinois Governor J.B. Pritzker sent a letter to the U.S. Army Corps of Engineers. It confirms the state’s intent to serve as the […]

press release

November 28, 2018

House passes Coast Guard bill containing new ballast rules

Chicago, IL (November 28, 2018) – Last night, the U.S. House of Representatives passed the U.S. Coast Guard Authorization Act of 2017, which includes the Vessel Incidental Discharge Act (VIDA). […]

Press Release

November 14, 2018

Great Lakers Applaud Senate Action to Improve Bill on Aquatic Invasive Species

Chicago, IL (November 14, 2018) – Today the U.S. Senate passed legislation which changes how ballast water discharges from ships – the most common pathway for invasive species to enter […]

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 • […]