Guest commentary by Robert Shibatani: The phrase gets loosely thrown around by the media, general public and even by some academics and hydrological practitioners. But few, if anyone, takes the time to really explain it, to define its component parts, its various boundary conditions such as scale, timeframe, and duration. Consequently, ask any 10 people for a definition and you may just as easily find 10 different definitions. And while diversity is often helpful, this kind of diversity is not. … Continue reading GUEST COMMENTARY: Water scarcity: A catch phrase of convenience