a production of Public Affairs Television, Inc., in association with Thomas Lennon Films ; a presentation of Thirteen/WNET, New York ; produced by Joseph Angier, Thomas Lennon ; written by Thomas Lennon & Joseph Angier and Bill Moyers
Edward Burtynsky ; Mercury Films, Foundry Films present ; in co-production with the National Film Board of Canada, and in association with TVOntario ; director, Jennifer Baichwal ; produced by Nick de Pencier, Daniel Iron, Jennifer Baichwal