一、可持续发展的定义与基本内容　　1987年4月联合国世界环境与发展委员会发表的《我们共同的未来》中对可持续发展做出这样的定义：“既满足当代人的需求，又不对后代人满足其自身需求的能力构成危害的发展”。这个定义包含两层意思：一是人类要发展，要满足人类的发展需求； I. Definition and Basic Elements of Sustainable Development The “Our Common Future” promulgated by the UN World Commission on Environment and Development in April 1987 defines the concept of sustainable development as “meeting the needs of the present generation without compromise on future generations The ability of people to meet their own needs constitutes a detrimental development. ” This definition contains two meanings: First, human beings must develop to meet the needs of human development;