Friends of the Earth, represented by their attorneys, the Great Lakes Environmental Law Center and Ecojustice Canada, filed an amicus brief on November 22, 2011 urging the U.S. Supreme Court to hear the appeal by the States of Michigan, Minnesota, Ohio, Pennsylvania and Wisconsin. These States are in court to force the U.S. Corp of Engineers and other defendants to take urgent action to prevent the invasion of Asian Carp into the Great Lakes through the Chicago Area Water System.