Keep Tennessee Beautiful
Statewide public service program educating citizens about responsible action for a clean and beautiful state, including litter reduction and community cleanups. http://www.ktnb.org/
Friends of Radnor Lake
Supporters of Radnor Lake State Natural Area strive to protect the fragile beauty of Nashville's most pristine natural area.
Foothills Land Conservancy
Non-profit land trust interested in preserving the unique ecological, agricultural, and scenic resources of the foothills of the Southern Appalachian Mountains in East Tennessee.
Wolf River Conservancy
Aims to establish a public greenway along the Wolf River from its headwaters near Holly Springs, Mississippi, to its mouth at the Mississippi River in Memphis.
United Mountain Defense
Information about mountaintop removal coal mining, its impacts, and how to fight it in Tennessee. Includes photos and notices about public events.