伴随着城市的越来越繁荣,“水泥森林”的压迫、水泥地面的灼热、污浊空气的窒息、水资源短缺的煎熬和沙尘暴的抽打,使城市在带来一国一地区社会经济发展的同时,产生着极大的危机。面对危机,自20世纪60年代末,以联合国教科文组织的“人与生物圈”(简称MAB)计划的提出,以及1992年6月联合国召开“环境与发展”的全世界首脑会议所通过的《里约宣言》和《21世纪议程》等重要文件的产生为标志,形成了新的人类发展观,即可持续发展理论,很快为 Accompanied by the increasingly prosperous cities, the oppression of “cement forests”, the scorching of concrete floors, the suffocation of polluted air, the suffering of the shortage of water resources and the sandstorms, the cities bring about the social and economic development of a country and a region At the same time, there is a great crisis. In the face of the crisis, since the end of the 1960s, UNESCO’s “Man and the Biosphere” (MAB) plan has been put forward as well as the world head of the United Nations “Environment and Development” held by the United Nations in June 1992 The important documents such as the Rio Declaration and Agenda 21 adopted by the conference marked the emergence of a new concept of human development, that is, the theory of sustainable development, and soon