“Sandy beaches still rim the lakes, but if Lake Michigan, for example, were drained it would now be possible to walk almost the entire 100 miles between Wisconsin and Michigan on a bed of trillions upon trillions of filter-feeding quagga mussels.” ScienceAlgaeGreat LakesInvasive SpeciesCohoLake MichiganEcological SustainabilityAsian CarpQuagga MusselsSoo Locks Book:The Death and Life of the Great Lakes Source: The Death and Life of the Great Lakes