Multiple uses of water resources: Chapter 8 deals with the challenges of maximizing efficiency in water use. As demand increases, with availability of water decreasing in most places, competition increases necessitating a more integrated approach to water management. This chapter focuses on water for the environment, for food and for energy as being of critical importance for development and argues that efficiency in water use is essential to alleviate demand. Development impacts of improved water resources management: Chapter 9 examines the impacts of improved water resources management on social and economic development and on environmental impacts. Overall progress on applying integratedapproaches to water resources management, development and use: Chapter 10 summarises the progress with.