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Deep beneath the sands of Saudi Arabia lies a precious resource. It's not oil--it's water. In the hot desert lands of the Middle East, water for growing crops and drinking is becoming harder to find. Some experts predict that the Saudis will use all the water beneath their land by 2005.
But modern technology has given the Saudis a solution to their water problem. Using a process called desalination, the Saudis can take water from the sea, remove its salt, and make the water fit for drinking. Saudi Arabia gets 60 percent of its water--about 2 billion gallons a day--from desalination.
Across the world, people confront harsh environments: the freezing Arctic, brutally hot deserts, and sweltering rain forests. To survive in these environments, people have two choices--change the environment to make it more livable or adapt to fit ...