20世纪70年代,环境保护已成为国际社会共同关切之事项。1972年联合国人类环境会议确立的共同责任、预防优先、谨慎发展等信念或者原则,不仅使各国全面了解了环境恶化的全球化趋势,2而且使中国充分了解了西方发达国家的先进环境保护理念。会后,中国开始探寻环保工作的方针和思路, In the 1970s, environmental protection has become a common concern of the international community. The conviction or principle of common responsibility, prevention priority and prudence in development set by the UN Conference on Human Environment in 1972 not only gave all countries a comprehensive understanding of the globalization trend of environmental deterioration, 2 it also made China fully aware of the advanced environmental protection concepts of the developed western countries. After the meeting, China began to explore ways and guidelines for environmental protection work,