This is the most important among the 20, in my opinion:
Forecast #2:
Water Becomes the New Oil—Water desalination may soon become one of the world’s largest industries. By 2040, at least 3.5 billion people will run short of water—almost 10 times as many as in 1995. The huge demand, plus new more efficient desalination technologies, will create enormous profit opportunities and bring new life to arid regions.
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