北京是我国的首都,是全国的政治与文化中心。作为一个特大城市,在目前的快速发展时期,面临诸多问题,其中最为严峻的问题之一是能源结构不合理和环境特别是大气环境质量差,而以煤为主的能源结构和大量直接燃烧原煤是造成北京大气环境污染的重要原因。目前北京是世界上仅有的几个以燃煤为主的特大城市之一,优化北京的能源结构,是治理环境污染的重要途径与手段。我 Beijing is the capital of our country and the political and cultural center of the country. As a megacity, in the current period of rapid development, many problems are faced. One of the most serious problems is that the energy structure is irrational and the environment is poor, especially the atmospheric environment. However, the coal-dominated energy structure and the large amount of raw coal directly burned Beijing is an important cause of atmospheric pollution. At present, Beijing is one of the few megacities mainly coal-fired in the world. Optimizing Beijing’s energy structure is an important way and means of environmental pollution control. I