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Developing and Extending Sustainable Agriculture: a new social contract, Charles A. Francis, Raymond P. Poincelot and George W. Bird, eds., New York: Haworth Food and Agriculture Products Press, 2006, 367 pages.

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Agroecology in Action: Extending Alternative Agriculture through Social Networks, Keith Douglass Warner, Cambridge: MIT Press, 2007, 273 pages.

As the 21st century takes hold, we face numerous challenges related to food production. With a 50-per-cent increase in our population expected by mid-century, the Food and Agriculture Organization estimates that another one billion tonnes of cereal …