Addressing the Problem of Freshwater Scarcity

1497 Words6 Pages
Addressing the Problem of Freshwater Scarcity OUTLINE Introduction Background I. Types of Water Use & Water Control II. Working Group II Third Assessment Report III. Water Desalination IV. Sustainable Water Challenges V. The Solutions Summary and Conclusion Bibliography Addressing the Problem of Freshwater Scarcity Introduction Freshwater sources are rapidly becoming a problem for many people to access with the world's water supplies dwindling and many sources of water becoming contaminated for various causes. The world is presently on a path to hunger, thirst as well as disease and famine on a global level. It is increasingly important that freshwater supplies are preserved and used efficiently. Background More than 70% of the surface of the Earth is covered with water however, approximately 97.5 of the Earth's water is salt water, which means that only 2.5% is fresh water. Approximately 70% of the fresh water on Earth is frozen with most that remains being present as moisture in the soil or lying in deep underground aquifers not accessible for use by humans. In fact, less than 1% of the fresh water on Earth is accessible for use and is found in rivers, lakes, reservoirs, and underground sources that are accessible and affordable to access. Rain and snowfall are reported to renew this amount of fresh water on a regular basis. I. Types of Water Use & Water Control Three types of water control have been used historically and include: (1) irrigation; (2)
Open Document