Entertainment One presents in association with Telefilm Canada and the Rogers Group of Funds through the Theatrical Documentary Program ; produced by Entertainment One in co-production with The National Film Board of Canada, in association with the Canadian Broadcasting Corporation and with the participation of Planet Green ; produced by Janice Tufford and Sturla Gunnarsson ; directed by Sturla Gunnarsson
A production of Clearwater Documentary Inc. ; produced in association with Canadian Broadcasting Corporation ; The Nature of Things ; Directed and written by Tom Radford, Niobe Thompson ; produced by Niobe Thompson