This book presents the role of water and its importance for the different economic sectors. it focuses on the Economic tools for improving water governance and the relation between improving Water Governance and achieving economic green growth. Some of the developing and developed countries experience were presented. The book also aimed to find answers to the following questions: What do we mean by Water Governance? What is the relation between the water governance and green growth? What is the Water problem in Egypt? How could Egypt benefit from the experiences of the other developing and developed countries? What is the Water role in the different Economic Sectors? How could improving water governance affect the green economic growth?