On the radio: Iowa’s water pollution problem takes toll on marine life

An Iowa River tributary in Iowa City. Photo by Jim Malewitz

Listen to this week’s radio segment on Iowa’s polluted waters.

To some Iowans, they’re just oblong shells that won’t be missed. But to biologists, the death of two species of Iowa mussels is a sign that our state’s waters have never been filthier. Continue reading

Two Iowa mussels proposed as endangered species


The declining sheepnose mussel or, for fans of Latin, Plethobasus cyphyus. (Photo by Dick Biggins, US Fish and Wildlife Service)

The US Fish and Wildlife Service has proposed to add two mussels found in Iowa and parts of the eastern United States- the sheepnose and the spectaclecase –  to the endangered species list as their populations dwindle. Continue reading