Journey Of The Universe: Conversations, Epiisode 12, Ecological Economics
directed by Patsy Northcutt; produced by Patsy Northcutt, Yale School of Forestry & Environmental Studies and Northcutt Productions; interview by Mary Evelyn Tucker, in Journey Of The Universe: Conversations, Epiisode 12 (Pottstown, PA: Music Video Distributors, 2013), 24 mins