Need Of Fresh Water - Water covers 71% of the Earth's surface, and is vital for all known forms of life. Clean drinking water is essential to humans and other lifeforms. Access to safe drinking water has improved steadily and substantially over the last decades in almost every part of the world. About 75% of human body contains water. Lack of attention to water, Water pollution is going to be a major problem in the global context, which is leading worldwide cause of deaths and diseases.