Scientific studies that examine the food supply and its correlation to human population have a long tradition that goes back to Thomas Malthus and his “An Essay on the Future of Population“ of 1798. From then on, the field has remained politically charged. Still today, Malthus is often dismissed as a doomsday prophet whose apocalyptic predictions turned out to be wrong. But Malthus lacked the modern concept of “overshoot and collapse” and he never predicted the kind of population crashes that we associate to modern famines.
Another study often accused of having been overly catastrophistic in terms of the future of the human population is the report to the Club of Rome titled “The Limits to Growth”, published in its first version in 1972. This is also a misinterpretation, since none of the several scenarios reported in 1972 foresaw a population decline before entering the second half of the 21st century.
In analogy with the first report to the Club of Rome, the recent book by Weiler and Demuynck, “Food Scarcity” approaches an old problem with a new methodology. While “The Limits to Growth” was one of the first studies to apply system dynamics to the study of the economy, “Food Scarcity” is among the first studies that applies the modern network theory to the world’s food system. The resulting book, “Food Scarcity,” is an ambitious attempt to pack an enormous amount of material into just 150 pages. It starts with a review of the situation of the world’s food supply with extensive data on the different climate systems, cultivation technologies, geographical conditions, and more.
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