今夏长江流域百年一遇的特大洪灾，给我国造成几千亿元的惨重损失。救灾、援助之余，我们每位中国公民都应思考一下为何洪水一年比一年为害愈烈。洪灾的直接原因是气候变化，大量降雨，如果说这是“天灾”的话，那么，多年来不注重水土保持，植被受破坏，湖泊遭围垦，草原超载 The once-in-a-century catastrophic floods in the Yangtze River basin this summer have caused hundreds of billions of yuan of heavy losses to our country. In addition to disaster relief and assistance, each of our Chinese citizens should think about why the floods are becoming harder each year. The direct cause of floods is climate change, heavy rainfall, if this is a “natural disaster”, then, for many years do not pay attention to soil and water conservation, vegetation damage, lake reclamation, grassland overloading