What’s the difference between clean water and unclean water? Well, add to that question the fact that someone will be drinking it and you get an unexpected answer: it’s quality of life.
In order to begin to understand what this really means, lets consider two measures used to determine a population’s health liabilities, Years of Life Lost (YLL) and Years Lived with Disability (YLD). These measures are based against something that many in the developed world take for granted: a long, healthy life expectancy.
In many parts of the world however, the difference between how long and healthy a person could live and how long and healthy they do live is staggering, and much of this is due to the absence of a simple resource. Clean water.
