Piasa Palisades Group - Information on Sierra Club and public lands logging from ecological, economic and even religious perspectives. - http://www.illinois.sierraclub.org/piasapalisades/
Grand Prairie Friends - Grand Prairie Friends of Illinois is committed to protecting tallgrass prairie in the Grand Prairie of East-Central Illinois. - http://www.prairienet.org/gpf/
Conservation 2000 - Six year, $100 million initiative broad involvement for private landowners and community interests and a collaborative role for the State in promoting voluntary conservation efforts. - http://dnr.state.il.us/orep/c2000/