makes the case that through biological and, especially, cultural evolution the human diet can gravitate away from farmed meat and dairy products and to create a vegan economy. calls for legislative leaders, policy makers, and educators to shift away from animal farming and inform people about the advantages of a vegan culture argues that we have to start thinking collectively about smarter ways of growing and processing plant foods, not farming animals as food to generate good consequences for health, the environment, and, therefore, animals. essential reading for all interested in veganism, whether for ethical, environmental or health and nutrition reasons, and those studying the human diet from a range of disciplines, including cultural evolution, food ecology, animal ethics and evolutionary studies.