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Pessimists and Optimists 2. Population and Food Today 3. Population and Food - Recent Trends 4. Exploring the Future: Demand and Supply 5. Exploring the Future: Potentials and Constraints 6. Exploring the Future: Regional Vignettes 7. Conclusions, Forecasts, Caveats, Tempered Hope
Bongaarts et al. (Sun,) studied this question.