producers, Neil Bregman, Ric Randmaa ; writer/director, Bob Barrett ; produced by Sound Venture Productions, Maverick Media + Communications, ACME Pictures
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