如何节约水资源(英文)

Day is an annual saving of March 22 to March 28, it is about to tell people the importance of saving water.
Earth's reservoir of water is very rich, there were as many as 1.45 billion cubic meters. But accounts for 97.2% of sea water, land accounted for only 2.8% of fresh water, surface and the closest of human life in rivers and freshwater lakes and shallow groundwater, such as fresh water, and only 0.34% of fresh water reserves. What is even more worrying is that a very limited quantity of fresh water are increasingly polluted. According to the scientific community estimates that more than half of the world's countries and regions, the lack of drinking water, especially in economically underdeveloped Third World countries, there are now 70 percent, or 17 million people not to drink clean water, the world has nearly 80 % of the population under the threat of water shortages. China's per capita fresh water for a quarter of the world's average, are water-scarce