Brazil, mega-city of 20 million, to run out of water in one month – NaturalNews.com.
As reported by Reuters, the Brazilian mega-city of Sao Paulo, where 20 million people reside, has about one month’s worth of a guaranteed water supply.
Also see: BBC News – Brazil drought: Sao Paulo sleepwalking into water crisis http://www.bbc.com/news/world-latin-america-29947965