Saudi arabia is the world's largest producer of desalinated water. there are several desalination centers around the country, and more are being constructed. other middle eastern nations have started desalination programs—removing the salt from water to make it drinkable—but none have invested as much as saudi arabia.

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the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.