If a Tree Falls: A Story of the Earth Liberation Front

Find out more at “If a Tree Falls: A Story of the Earth Liberation Front“ will air September 13, 2011 on PBS. Check local listings. “If a Tree Falls: A Story of the Earth Liberation Front“ - POV 2011 by Marshall Curry “If a Tree Falls: A Story of the Earth Liberation Front“ explores two of America’s most pressing issues — environmentalism and terrorism — by lifting the veil on a radical environmental group the FBI calls America’s “number one dome