"Dying Green" Explores Conservation Through Natural Burial

Aired: 4/11/2012 | 0:05:50 | Clip
A new documentary explores environmentally friendly burial - and how it can be used to conserve land - by following a pioneer of the movement, Dr. Billy Campbell. Hari Sreenivasan recently sat down with Dr. Campbell and the filmmaker, Ellen Tripler, to find out more about the practice.