GEF

90 UNIT 4 The Global Water Crisis Objectives In this unit students will learn to: ■■ Understand the causes of water scarcity and its affect on communities worldwide. ■■ Explain water conservation tools. ■■ Describe the impact of climate change on the global water crisis. ■■ Analyze various conflicts around water. ■■ Explain modern theories about the economics of water. ■■ Describe the trend of governments toward implementing sustainable water use and management.