WATER SCARCITY - CHALLENGES
Introduction Wherever we are or we find ourselves, we always need water to survive, because it’s one of the most essential things in life. Not only is the human body 60 percent water, it’s also essential in cooking food, clothing, computers, moving our waste stream, keeping us and the environment healthy. Unfortunately, humans have proved to be inefficient water users. (The average hamburger takes 2,400 litres, or 630 gallons, of water to produce and many water-intensive crops, such as cotton, are grown in arid regions according to Prepper fortress The human population has successfully harnessed many of the world’s natural waterways—building dams, water wells, vast irrigation systems and other structures that have allowed civilizations to grow and thrive. But water systems are increasingly stressed, and some rivers, lakes and aquifers are drying up. “Water scarcity” refers to the volumetric abundance, or lack thereof, of water supply. This is typically calculated as a ratio of