How do you measure the health of an ecosystem? Great Smoky Mountains National Park

Chris joins Rangers Troy Evans and Becky Nichols from Great Smoky Mountains to learn how they keep tabs of the park's ecosystems
Created and Hosted by Chris Anderson
Produced by Chris Anderson and Paul Smith
Directed and filmed by Mary Ellen Finnegan
Edited by Will Iles
Original music by Blake Sutton
A special thanks to:
-Great Smoky Mountains National Park
-Troy Evans
-Becky Nichols
-Paul Super
-Jessica Cooper
-National Geographic Society
-Hamilton County ESC