我国水资源面临四大挑战我国是一个干旱缺水严重的国家。淡水资源总量为28000亿m3,占全球水资源的6%,仅次于巴西、俄罗斯和加拿大,居世界第4位,但人均只有2200m3,仅为世界平均水平的1/4、美国的1/5,在世界上名列121位,是全球13个人均水资源最贫乏的国家之一。1998年以后,我国确 China’s water resources are facing four major challenges China is a serious drought and water shortage. The total fresh water resources are 2.8 trillion m3, accounting for 6% of the global water resources, second only to Brazil, Russia and Canada, ranking No. 4 in the world, but only 2,200 m3 per capita, only 1/4 of the world average, 1 in the United States / 5, ranked 121 in the world, is the world’s 13 most per capita water resources, one of the countries. After 1998, my country indeed