试行阶段:pilot stage 石油泄漏:oil spill 肥料:fertilizer杀虫剂:pesticide 污染物:pollutant 惰性气体:inert gas 烟雾:smog 臭氧层:ozone layer 有机体:organism大气污染防治法:Air Pollution Prevention and Control Law水污染防治法:Water Pollution Prevention and Control Law环境影响评价法:Environmental Impact Assessment Law 固体废物: solid waste 环境教育:environment education 联合国环境与发展大会(环发大会):United Nations Conference on Environment and Development 环发大会首脑会议:Summit Session of UNCED联合国环境规划署:United Nation