TRAVERSE CITY, Mich. (AP) — The debate over how to protect the Great Lakes from voracious Asian carp appeared no closer to settlement Tuesday following release of a federal report with options that could cost billions and require extensive re-engineering of Chicago's busy waterway network. Wrapping up a study that began in 2009, the U.S. Army
Report Doesn’t Resolve Debate Over Great Lakes
Environmental groups, federal government debate options in fight against invasive species.