Roley, Bill.
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Food for the masses / Allen Christensen, Bill Roley, and Victor Wegryzn ; hosted by Leslie Baer-Brown.
Series which explores environmental problems and solutions from around the world.|FOOD FOR THE MASSES / Allen Christensen, Bill Roley, and Victor Wegryzn| hosted by Leslie Baer-Brown. SERIES: Earthwatch| no. 7 Series which explores environmental problems and solutions from around the world. CONTENT: Examination of how techniques and chemicals used in agricultute harem the environment, particularly…