University of Cincinnati/Arlitt Instructional Media in partnership with Purdy Productions ; executive producer/editor Victoria Carr ; director/producer Tom Purdy
[presented by] Paramount Classics and Participant Productions ; a Lawrence Bender/Laurie David production ; a Carbon Neutral production ; directed by Davis Guggenheim ; produced by Laurie David, Lawrence Bender, Scott Z. Burns ; executive producers, Jeff Skoll ... [and others] ; co-producer, Leslie Chilcott