Invasive Asian carp traveled up the Mississippi River to Lake Michigan, threatening the regional economy as well as the environment.
Environmentalists express opposition to a federal plan developed this week to keep invasive Asian carp out of the Great Lakes.
A congressional hearing this week on Asian carp in the Great Lakes region raises scientific questions and political difficulties. What are the best ways to prevent invasive fish from proliferating, and what would be the economic impact of blocking their passage from the Mississippi River?
Federal authorities are proposing to control, but not close, Illinois shipping locks in an effort to prevent the Asian carp from infiltrating the Great Lakes. Michigan Gov. Jennifer Granholm did not agree with the plan.
On Tuesday, the US Supreme Court ruled that it will not force Illinois to shut locks that other states say could allow invasive Asian carp into Lake Michigan. Hours later, the US Army Corps of Engineers announced that they had found Asian carp DNA in Lake Michigan.
Minnesota and Ohio joined Michigan in its lawsuit to close an Illinois canal connecting a tributary of the Mississippi River to Lake Michigan. The states say the invasion of Asian carp through the canal could destroy the Great Lakes ecosystem.
Environmentalists and neighboring states say Illinois mishandled the Asian carp invasion, which threatens a water system’s natural food chain. A multi-agency task force that includes the US Army Corps of Engineers is looking at ways to protect the Great Lakes.
Michigan's attorney general takes aim at Illinois canal that, many worry, could be Asian carp's entree to the Great Lakes. He petitioned the Supreme Court Monday to intervene quickly.
Reports from the Gaza border say that Egypt is building an underground wall as deep as 100 feet to stem smuggling in Hamas-controlled tunnels. But there are broader goals, too.
Readers write about dressing children in camouflage, hurricane Katrina, Social Security, and Israel's stake in peace.