今年夏天洪灾之后，中国两条重要的河流黄河和塔里木河正面临干涸的威胁，这将导致严峻的生态和卫生问题。由于不合理用水，以及多雨地带严重的水土流失，黄河水位近几年来明显下降。有些专家认为，黄河缺水是恶劣的自然条件造成的，他们指出，这是“天生缺陷”。因为黄河的入 After the summer floods, the two major rivers in China, the Yellow River and the Tarim River, are facing the threat of drying up, which will lead to serious ecological and health problems. The Yellow River water level has dropped significantly in recent years due to irrational use of water and serious soil erosion in wet areas. Some experts believe that the Yellow River water shortage is caused by the harsh natural conditions, they pointed out that this is a “natural defect.” Because of the Yellow River into