Mekong is an important and abundant there is World’s second largest of the world deputy only the Amazon Basin in South America. Mekong River originate from the Himalayas in Tibet flows through Yunnan’s province in China, Burma, Laos, Thailand, Cambodia, Vietnam then flow into the South China Sea in Vietnam. The river has 4909 kilometers length data from the lower Mekong Basin Development Project (have support by United Nations to develop the lower Mekong Basin. Economic benefits Society member countries of the MRC) estimated that the potential of bringing water to produce 37,000 megawatts of electricity can be achieved if there is a great deal of water. It can be used in more than 37 million hectares of irrigated rice production is 15-16 million tons, making it the Mekong fish resources that abound in the world with more than 1300 fish species. People than 60 million people also in ethnic boundaries are complementing the diverse ecosystems of the Mekong River a fourth factor in the food security and livelihood. Now the river has dried up to a crisis, or so-called " Mekong crisis" Results of the survey of the MRC (Mekong River Commission) found that the water level drops, the lowest in. 20 years, resulting in the country who live along the Mekong River, Laos, Thailand, Cambodia, Vietnam, namely the lower afflicted by the same, in which many people may think that is a consequence of global warming. Since the beginning of the year our world is faced with devastating natural disasters continued non-stop. From climate change season rain, snow - storm, hail, earthquake, tsunami and the recent drought is creeping quietly. The main reason is probably because the Chinese building dams to store water for use for the benefit of agriculture, industry and electricity production to sell and Thailand, as well as customers. Also in Laos that influences from China because they need to store the water to agriculture too.