STEPS International presents ; director, Weijun Chen ; producer, Don Edkins ; produced by STEPS International in co-production with ARTE France ... [and others]
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
a series by Ambrica Productions in association with WGBH Boston and Channel 4 Television UK ; executive producer, Judith Vecchione ; written produced and directed by Sue Williams