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Welcome to Great Lakes United

For over 30 years, Great Lakes United has been a unifying voice for ensuring a healthy and vibrant future for the Great Lakes and St. Lawrence River ecosystem. Together, we work to protect the world's largest freshwater ecosystem.

Battling back the Asian carpThe Great Lakes Water Conservation InitiativeSt. Lawrence River Plant Watch

Press Releases and Announcements

November 14, 2011 - 2:43pm
Learn more about the economic cost associated with invasive species in the Great Lakes. This factsheet is endorsed by the following organizations: Great Lakes United, National Wildlife Federation, Natural Areas Association, Natural ResourcesDefense Council, The Nature Conservancy, The Wildlife Society.
October 18, 2011 - 1:59pm
Friday, Oct. 14, 2011     House Bill Undermines Progress on Great Lakes Invasive Species Protection  
October 4, 2011 - 11:09am
Asian carp have invaded the United States, with silver and bighead populations infesting Mississippi River basin waters as far north as the edge of the Lake Michigan basin in Illinois, and the Lake Erie basin in Indiana. An Asian carp invasion to the Great Lakes will clearly impact both U.S. and Canadian waters, but with established populations only in the U.S., efforts are focused on prevention primarily in the Chicago area.