How many people worldwide don't have proper toilets or waterdisposal systems?
A. 1.2billion
B. 2.5 billion
C. 2.7 billion
D. more than 5 billion
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What is Rajendra Singh's solution to water shortages?
A. build dams and reservoirs
B. pump more groundwater
C. fix leaky pipes
D. desalinate seawater
To what does Singh attribute the success of the johads?
A. their cheap price
B. a higher than normal rainfall
C. the ability of villagers to sell excess water
D. giving control of the water to villagers
Which of these methods did Madeod NOT make useof in Durban?
A. repairing water pipe
B. replacing toilets
C. installing water meters
D. building a new dam
Which of the following did Sandra Postel mean by "waterconervation is where the big gains are to be made"(lines130-132)?
A. Water conservation is an opportunity for large profitsfor businesses.
B. Water conservation is the most effective method toaddress water shortages
C. Water conservation technology is still in need of manyimprovements
D. Water conservation is required by law in order toensure large gains
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