January 12th afternoon, the Shaanxi provincial government commissioned by the Shaanxi provincial environmental protection department,  Chengwen Wang, led by the provincial development and Reform Commission and the scientific and Technological Department of the delegation to visit the Chinese Academy of Sciences Institute of earth environment pollution control work.  Junji Cao researcher first introduced the progress of air pollution control technology and engineering, and stressed that pollution control can not only rely on the traditional pollution control technology, should broaden the thinking, take the initiative to control strategy, explore new ideas and new devices for air pollution control. Director Chengwen Wang said haze pollution reduction, optimizing the ecological environment is a major decision of Shaanxi Province, the provincial Party committee and the provincial government to carry out pollution reducing haze action take a clear-cut stand and attitude firmly, hope to ring the pollution control technology demonstration projects as soon as possible, province will be established specialized team, and actively promote pollution control work. After the symposium,  Chengwen Wang, director of the Department of a line focused on the environmental pollution control laboratory, to understand the new results of air pollution control work.