At a lock and dam site in the suburbs of Chicago, there’s a plan to build a set of traps to keep invasive carp from reaching the Great Lakes that would involve a barrier of bubbles, an electric field, underwater speakers, and a price tag of over $800 million dollars. Read the full story by WIAA – Interlochen, MI.
Great Lakes Commission
https://www.glc.org/dailynews/20210118-invasive-carp