根据大多数专家的观点,许多国家将在几十年时间里面临清洁水短缺的问题。如何解决这种危机将是对政治领袖们的一次考验 大约1/3的人类将必须设法解决污水和洁净水不足的问题。一份新的联合国报告预测说,这一数字将在30年内翻1倍。在这份题为 According to most experts, many countries will face a shortage of clean water for decades. How to resolve this crisis will be a test for political leaders About a third of humankind will have to find ways to tackle the problem of inadequate and clean water. A new UN report predicts that this figure will double in 30 years. In this title