O Water is essential to life O Our health depends on the quality and safety of water O Water pollution and poor water resources are the big problem in China O There are 700 million people in China, whose drinking water is not safe O Fresh water availability per person in China, on average, are less than one third of the world average. O% of 27 rivers, which are main sources of drinking water in China, are polluted with different degree⚫ Water is essential to life. ⚫ Our health depends on the quality and safety of water. ⚫ Water pollution and poor water resources are the big problem in China. ⚫ There are 700 million people in China, whose drinking water is not safe. ⚫ Fresh water availability per person in China, on average, are less than one third of the world average. ⚫ 56% of 27 rivers, which are main sources of drinking water in China, are polluted with different degree