Journey Of The Universe: Conversations, Episode 9, Becoming a Planetary Presence
directed by David Kennard and Patsy Northcutt; produced by David Kennard and Patsy Northcutt, Yale School of Forestry & Environmental Studies and Northcutt Productions; interview by Mary Evelyn Tucker, in Journey Of The Universe: Conversations, Episode 9 (Pottstown, PA: Music Video Distributors, 2013), 24 mins