This book presents a methodology for developing city-scale greenhouse gas and air pollutant emission inventories, and a synergistic analysis framework for achieving "dual attainments" based on air quality objectives. The book illustrates the pathways and strategies for cities to reach "dual attainments" using Zhengzhou, Shijiazhuang, and Huzhou as typical cases. The authors emphasize that "dual attainments" requires a comprehensive approach beyond end-of-pipe control measure；moreover,deep...