GEF

Unit 3  |  Water Use and Human Water Systems 67 Humans need water for almost every facet of life, including growing food, producing energy, and maintaining health. We depend on extensive control and manipulation of natu- ral resources to meet these needs. Although modern water infrastructure in developed countries has brought enormous benefits in terms of improved health, higher food production, and increased energy generation, many people question the sustainability of our water systems. In this unit, we will explore the benefits and problems created by water systems. We will also look at alternative systems that THE BIG IDEA UNIT 3 SELF-ASSESSMENT Before beginning this unit, consider what you already know about water use and human water systems by completing this self-assessment. For each statement below, rate your current level of confidence with understanding sustainable water concepts. NOT CONFIDENT SOMEWHAT CONFIDENT CONFIDENT I am able to explain the ways that people use water for agriculture, domestic use, and industry. ❍ ❍ ❍ I am able to explain the concept of water efficiency. ❍ ❍ ❍ I can explain the benefits and drawbacks of dams. ❍ ❍ ❍ I can explain how agriculture affects water resources, especially groundwater. ❍ ❍ ❍ I can describe domestic water systems and some of the challenges that they are facing. ❍ ❍ ❍ I can give examples of how industries use water and how it is becoming more efficient. ❍ ❍ ❍