Learning Outcomes

After studying this chapter, you should be able to:

• Understand how the water cycle operates
• Know the causes and effects of depletion in different water reservoirs
• Understand how we can work toward solving the water supply crisis
• Understand the major kinds of water pollutants and how they degrade water quality
• Understand how we can work toward solving the crisis involving water pollution

Chapter Outline

• 7.1 Water Cycle and Fresh Water Supply
• 7.2 Water Supply Problems and Solutions
• 7.3. Water Pollution
• 7.4. Water Treatment
• 7.5. Case Study: The Aral Sea – Going, Going, Gone
• 7.6. Chapter Resources