The framework for conversion / Stephen R. Gliessman -- What do we know about the conversion process? Yields, economics, ecological processes, and social issues / Martha E. Rosemeyer -- The history of organic agriculture / Rachael J. Jamison and John H. Perkins -- Northern Midwest (U.S.) : farmers' views of the conversion process / Paul Porter, Lori Scott, and Steve Simmons -- Pacific Northwest (U.S.) : diverse movements toward sustainability amid a variety of challenges / Carol Miles. [et al.] -- California (U.S.) : the conversion of strawberry production / Stephen R. Gliessman and Joji Muramoto -- Ontario, Canada : lessons in sustainability from organic farmers / E. Ann Clark and Jennifer Sumner -- Mexico : perspectives on organic production / Maria del Rocio Romero Lima -- Mexico : traditional agriculture as a foundation for sustainability / Alba Gonzalez Jacome -- Cuba : a national-level experiment in conversion / Fernando Funes-Monzote -- The European Union: key roles for institutional support and economic factors / Gloria I. Guzman and Antonio M. Alonso -- Japan : finding opportunities in the current crisis / Joji Muramoto, Kazumasa Hidaka, and Takuya Mineta -- The Middle East : adapting food production to local biophysical realities / Avaz Koocheki -- Australia: farmers responding to the need for conversion / David Dumaresq and Saan Ecker -- Transforming the global food system / Stephen R. Gliessman.