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This paper compares population growth and affluence in developed nations in which per capita income and consumption have been relatively high, and in developing nations in which per capita income and consumption have been relatively low. The paper is one in a series of occasional publications intended to increase understanding of the interrelationships between population growth and socioeconomic and cultural patterns throughout the world, and to communicate this understanding to scholars and policy makers. In this publication, the author uses the consumption of energy and steel between 1950 and 1970 as primary indicators because of the obvious implications of the growth of such parameters upon the environment and the world resource base. Graphs and tables are provided. (Author/RM)

This paper, one in a series of occasional publications, discusses trends in food production and population growth, emphasizing how environmental quality will be affected. The series is intended to increase understanding of the interrelationships between population growth and socioeconomic and cultural patterns throughout the world, and to communicate this understanding to scholars and policy makers. This publication includes a discussion of the following: (1) Land Resources and Productive Capacity; (2) Water Resources and Water Quality; (3) Energy and Food Production; (4) Fertilizers and Soil Nutrients; (5) Pest Management; (6) Organic Residues from Agriculture and Food Processing; (7) Threats to Ecological Stability; (8) Trade-Offs: Environmental Quality, Food Production, and Costs; and (9) The Role of Population Growth. (Author/RM)

We are now at a stage in human global development in which the continuous review and assessment of the long-range future implications of our past and present actions becomes crucially important for the survival of human society. This report includes a synoptic view of world trends and alternative futures. The first and major portion of the publication discusses world trends including both long-term and short-term changes: (1) Evolutionary Intervention; (2) Physical Extension; (3) Conceptual and Social Expansion; (4) Major Technological Change Events; (5) Population; (6) Urban Growth; (7) Energy; (8) Industrial Development and Natural Resources; (9) Food; (10) Material Disparity between Advanced and Lesser Developed Nations; (11) The World Economy; and (12) the Political Climate. The second part of the document discusses aspects of alternative futures in terms of what we ought to do. (Author/RM)