《封闭的循环》是一本写于二十多年前的书,问题所向是二战以后伴随美国社会经济、科技迅速发展而同时出现的生态危机。这本70年代由美国学者巴里·康芒纳所写的生态学著作现在摆在即将迈进2l世纪的中国人面前,令人诧异的是,书中所写却与90年代中国日渐突出的生态问题不谋而合,因此可以认为,该书对于中国人来说仍然是一本新书。对环境污染与生态恶化,现今的中国人也正步着西方人的后尘,越来越清楚地认识到了它的现实性与危害性,并且这也引发了许多人进一步的追 The “closed cycle” is a book written more than two decades ago. The problem was the ecological crisis that accompanied the rapid development of the social economy and science and technology in the United States after World War II. The ecological writings written by the American scholar Barry Conmona in the 1970s are now placed in the face of the Chinese who are about to move into the 21st century. What is surprising is that the book is written with the increasingly prominent ecological problems in China in the 1990s By coincidence, it can be assumed that the book is still a new book for the Chinese. With regard to environmental pollution and ecological deterioration, today’s Chinese are also following the westerly’s footsteps, more and more clearly aware of its reality and harmfulness, and this also led many people to further chase