The Severed Heads Are Smiling.

The Hemlock Woolly Adelgid: A Film About the Loss of an Ecosystem

The Private Life of Plants

The Hidden Life of Trees

Heart of an Oak

Treehugger

The Queen of Trees

Relaxing Old Footage With Joe Pera

Dream of Light

Chuck Leavell: The Tree Man

Oak Tree: Nature's Greatest Survivor

How to Grow a Planet