Frontline researchers in global alpine area have used observational evidence from field studies to respond to these questions and to present a comprehensive picture of the problems and drivers of grassland degradation. The climate-environment interaction mechanism of grassland degradation is revealed by the holistic approach in this book. Ecological restoration is discussed through social and economic participation, and past and present restoration actions are analyzed from the perspective of traditional culture and ecological ethics. The future sustainable management of grassland under climate change and social and economic development trend is also covered. This book will alert people to the dangers of degradation and to the difficulties encountered in ecological restoration.