ANALYSE AND APPLY 6. Refer to FIGURE3 . Analyse how each region uses water. 7. Study FIGURE2. a. Determine which of the following statements are true and which are false. If the statements are false, rewrite the statements with the main uses of water in the correct order of use. A. Australia uses most water for agriculture, then industry, and then domestic/municipal. B. Countries in North Africa use most water for agriculture, then domestic/municipal, and then industry. C. Belarus uses most water for industry, then agriculture, and then domestic/municipal. D. Indonesia uses most water for industry, then agriculture, and then domestic/municipal. b. If any statements are false, rewrite the statements with the main uses of water in the correct order of use. 8. Study TABLE1 . Discuss the differing levels of water needed to produce a vegetarian diet and a meat based diet. EVALUATE AND COMMUNICATE 9. Refer to FIGURE8 and describe the areas that become (a) wetter, (b) drier and (c) warmer during an El Nino event. 10. Papua New Guinea receives over 3000 millimetres of rain per year, yet still has poor water accessibility. Discuss how this is possible. 11. Consider the map in FIGURE10 . Describe the interconnection between Papua New Guinea’s topography and its water accessibility. 12. What do you think is more important — water availability or water accessibility? Justify your response. Answers and sample responses for this topic are available online.
LESSON 9.7 How do we overcome water scarcity?
LEARNING INTENTION By the end of this lesson you should be able to: • describe the global distribution of water scarcity • explain the interconnection between water quality, sanitation and health • evaluate different strategies to overcome water scarcity
Tune in One in three people around the world do not have access to safe drinking water. 3.6 billion people do not have access to a safe toilet. 1. Consider the ways water is used in your household. • Predict which appliance in your home uses the most water for one cycle of use: the washing machine, toilet or dishwasher? • Predict how much water is used in an average shower and in an average handwash. • Brainstorm the names of three infectious diseases linked to a lack of safe water. 2. Describe one social impact on people that lack of access to a safe toilet could have.
FIGURE1 A typical household uses water in many ways.
TOPIC9 Water in the world 279
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