Zafar Adeel thinks outside the box when it comes to the world’s arid places. He’s the director of the UN University’s International Network on Water, Environment and Health. With the results of his four-year study, he outlines new ideas for survival in areas where it’s predicted that water supplies will be severely strained. This is important because these areas are home to nearly a third of the world’s population. His point is that with a shift in practices, there are ways to maximize even scant water supplies.

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