Till taught by pain, man knows not water's worth.- Byron If you say "water" to an engineer, he thinks drainage, pipes, money, energy - but not life. - Hermann KnoflacherIn modern societies, water is taken for granted because it comes out when one turns on the tap and is drained away after use.. It is only when a water crisis hits one that people become aware of the maxim that "water is life." Human beings are becoming thirstier by the day, consuming five times the amount of water today than 40...