From the Chicago Tribune:

A federal appeals panel Wednesday rejected the request of five Great Lakes states to close Chicago-area shipping locks. But the panel warned that the issue could be revisited if ongoing efforts to stop the advance of Asian carp stall.

The ruling by the three-judge panel of the 7th U.S. Circuit Court of Appeals follows a district court decision in December concluding that the invasive species did not appear to be an imminent threat and that closing the locks still might not keep them from reaching Lake Michigan. Read more.