Part 1 The evolving agri-food system: international restructuring of the agri-food chain, Iain Wallace; the restructuring of agriculture - the Canadian example, Michael Troughton; sectoral adjustments in agriculture - dairy and beef livestock industries in Canada, Quentin Chiotti. Part 2 Diversification of the farm business: uneven agrarian development and the social relations of farm households, Richard Munton, et al; farm business restructuring in the urban fringe - the Toronto and Montreal regions, Pierre Deslauriers, et al; farm diversifrication in the United States, Darrell Napton; state-assisted farm diversification in the United Kingdom, Brian Ilbery. Part 3 Changing relationships between agriculture and the environment: nature, uneven development and the agricultural landscape, Rebecca Roberts; agricultural externalities and the environment in the United States, Duane Nellis; natural heritage and agricultural production in Canada, Stewart Hilts. Part 4 The development of policy and programmes: the convergence of agricultural and environmental policies - the case of extensification in Eastern England, John Tarrant and Richard Cobb; agricultural policies for urban fringes in the United States, Timothy Rickard; forestry as an alternative land use - a British perspective, Charles Watkins; establishing research as an alternative land use, Lisa Harrington; policy options for the British countryside, Andrew Gilg. Part 5 Sustainable agriculture as a policy option: the policy agenda for sustainable agriculture, John Pierce; "Sustainable agriculture" as an alternative path of farm business development, Ian Bowler; alternative agriculture and conventional paradigms in US agriculture, Janel Curry-Roper.