进入2014年以来,美国平均水价上涨6.2%;美国供水公司的平均股价从2010年以来上升33%。水资源的进一步稀缺不仅仅限于美国,世界上缺水的国家越来越多。水价格上升世界上很多国家都在发生,例如,中国、马来西亚、尼泊尔以及中东国家等。地球表面虽然70%被水包裹,但水却成为了 Since 2014, average water prices in the United States have risen 6.2%; the average share price of U.S. water companies has risen 33% since 2010. Further scarce water resources are not limited to the United States, and there are more and more countries in the world with water shortages. Water prices rise in many countries in the world are taking place, for example, China, Malaysia, Nepal and the Middle East countries. Although 70% of the Earth’s surface is covered by water, water has become available