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Water is essential for all life forms on earth (human, plants and animals). It is one of the most abundant natural resources on earth, covering three-fourths of the planet's surface. About 97% of the earth's water is saline water existed in oceans, and the remaining 3% is fresh water in the forms of ice, ground water, lakes and rivers. Less than 1% of the fresh water is within human reach,Solar-powered desalination system is one of the ways to get fresh water using saline water.