2012年最大的问题是什么?一些不发达地区正面临水战争的威胁。水量分配不均往往是导致跨国河流上下游国家发生冲突的根源所在,譬如,叙利亚、伊拉克和土耳其之间就有涉及水的争端。但是,水也可能是国家之间经济增长与互利合作的源泉。大部分发展中国家有80%的水用于发展农业。减少农业用水将节省大量的水。以色列使用一种在植物与操控装置之间传 What is the biggest problem in 2012? Some underdeveloped areas are facing the threat of a water war. Uneven water distribution is often the root cause of conflicts in upstream and downstream transnational rivers. For example, Syria, Iraq and Turkey have disputes over water. However, water may also be a source of economic growth and mutually beneficial cooperation among nations. Most developing countries have 80% of their water used for agriculture. Reducing agricultural water will save a lot of water. Israel uses a transmission between plants and control devices