environmental degradation 环境恶化
integrated control of environmental pollution 环境污染综合防治
environmental benefit 环境效益
environmental criteria 环境指标
decongestion 减少拥挤
traffic noise 交通噪音
renewable resources 可再生资源
3-D climate 立体气候
UN Conference on Environment and Development (UNCED) 环发大会
afforestation drive 绿化运动