Has per-capita food production risen or fallen over the past 50 years? Can this trend be expected to continue in the future? Why might the 1980's be considered a turning point for agriculture? How unequal is current food distribution? What two factors form the basis of an optimistic future food scenario? What are some of the environmental impacts of fertilizer and pesticide use? What are some of the environmental impacts of irrigation? What are the advantages and disadvantages of genetically-modified foods? Describe a sustainable agricultural system. What is Integrated Pest Management? What policies might encourage sustainable agriculture?