The following is a summary of Superabundance: The Story of Population Growth, Innovation, and Human Flourishing on an Infinitely Bountiful Plant by Marian L. Tupy and Gale Pooley, reprinted with permission. In the first part of this book, the human propensity toward the negative is contrasted with the generally improving state of the world. Instead of the apocalypse that humanity has been expecting since the dawn of time, the world has seen great progress. One of the persistent sources of concern about the present state of the world and the future of humanity is population growth. Some...