Contents: Introduction, Heikki Jussila, Roser Majoral and Bradley Cullen. Population and Sustainability: From unity to present - spatial aspects of population development in Tuscany seen on maps, Maria Andreoli, Heikki Jussila and Vittorio Tellarini; Patterns of population sustainability in the US Midlands, J. Clark Archer and Richard E. Lonsdale; Economic growth, ecological consequences and depopulation in the rural areas of Galicia (Spain), Rubén Lois Gonzáles; Local poverty in Finland in 1995, Jarmo Rusanen, Toivo Muilu, Alfred Colpaert and Arvo Naukkarinen; Regional imbalances in Spain at the end of the century, Roser Majoral and Dolores Sánchez-Aguilera; Job development and regional structure - local examples of growing and declining industries in Northern Finland, Toivo Muilu; Rural development and marginal areas in Slovenia, Stanko Pelc. Environment and Sustainability: Establishing a sustainable conservation policy in northern Saudi Arabia, Gareth Jones and Ahmed Al Modayan; Biosphere reserves - sustainable development of marginal regions?, Walter Leimgruber and Thomas Hammer; Sorghum based farm systems in Botswana - the challenges of improving livelihood in a drought prone environment, Charles E. Bussing and David W. Norman; Global change and community self-reliance strategies in Southern Africa, Etienne Nel; Subsistence and marginal lands - an Alaskan political and geographical issue, Donald F. Lynch and Roger W. Pearson; Traditional water rights in northern New Mexico, Olen Paul Matthews. Global Economic Development and Sustainability: Spatial shifts in production and consumption - marginality patterns in the new international division of labour, Assefa Mehretu, Bruce W.M. Pigozzi and Lawrence M. Sommers; Economic change and transportation deregulation in selected marginal and critical areas the US Pacific Northwest, Steven Kale; Nearer the core - the fishing sector in one of Europe's marginal regions, Xose Santos-Solla; Tourism and sustai