An invasive species horror story

Call them whatever you want: Grass carp, Asian carp, etc. Biologists in the 1970s argued then against their very presence, saying it was only a matter of time before they escaped. And now they really are everywhere. Read about them here.

Hog wild: Factory farms are polluting Iowa's water

This, buckaroos, is more than just a case of pigs in the muck. Read about the water pollution right here.

What killed invasive Asian carp In Missouri River?

That's the big question these days for fisheries professionals in Iowa, Nebraska and elsewhere, both so they know what works to rid the river and its tribs of the invasive Asian carp and what impact it's all having on native fish. Read about it all.