159年,世博会一路走来,环境越来越成为一个绕不开的话题。如果说20世纪前期,世博会着重表现科技繁荣与呼吁和平,20世纪后期主题趋于多元的话,由21世纪开始,世博会越来越凸显了人与自然的关系。2000年的汉诺威世博会把保护资源作为主题之一。2005年日本爱知世博会以“自然的睿智”为主题,强调用智慧和技术将人类和自然疏远的关系重新连接起来。2010年上海世博会的主题更是直面人类发展一大顽疾——城市环境如何更适宜人类居住。上海市环保局局长张全在接受《中国经济周刊》采访时表示:“上海不能只 159 years, the World Expo along the way, the environment has become more and more a can not be separated topic. If the Expo focused on the prosperity of science and technology and appeals for peace in the early twentieth century and the theme of the late twentieth century tended to be pluralistic, the World Expo will increasingly highlight the relationship between man and nature from the beginning of the 21st century. The 2000 Hanover Expo took conservation resources as one of its themes. With the theme of ”Natural Wisdom,“ the 2005 Aichi Expo in Japan focused on reconnecting human and natural alienation with wisdom and technology. The theme of the 2010 Shanghai World Expo is to confront a major problem of human development - how the urban environment is more suitable for human habitation. Zhang Quan, director of the Shanghai Environmental Protection Bureau, told China Economic Weekly: ”Shanghai can not only