This book explores the relationship between rivers and ethics in China, with a particular focus on the health of the Yellow River and China's sustainable development. Though the book falls into the category of East Asian History, it is an interdisciplinary academic work that addresses not only history, but also culture, human geography and physical geography. It traces the changes in the Yellow River over time and examines the origin and developmental course of Chinese civilization, which has always been closely intertwined with the Yellow River. It also draws comparisons between the Yellow River and the Yangtze, Nile, Tigris, Euphrates and Indus rivers to provide insights into how they have contributed to civilizations. At the same time, it discusses the lessons learned from people's taming the Yellow River. Most significantly, the book explores the relationship between humans and the environment from an ethical standpoint, making it an urgent reminder of the crucial role that human activities play in environmental issues concerning the Yellow River so as to achieve a sustainable development for China's "mother river." The intended audience includes academic readers researching East Asian and Chinese history & culture, geography, human geography, historical geography, the environment, river civilizations, etc., as well as history and geography lovers and members of the general public who are interested in the Yellow River and the civilization that has evolved around it.