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The film's first segment examines the industrial production of meat, calling it inhumane and economically and environmentally unsustainable. The second segment looks at the industrial production of grains and vegetables, labeling this economically and environmentally unsustainable. The film's third and final segment is about the economic and legal power of the major food companies, whose livelihoods (the filmmakers say) are based on supplying cheap but contaminated food, the heavy use of petroleum-based chemicals (largely pesticides and fertilizers), and the promotion of unhealthy food consumption habits by the American public.