尾气净化器 exhaust purifier 无铅汽油 lead-free gasoline 天然气汽车 gas-fueled vehicles 电动汽车 cell-driven vehicles; battery cars 小排量汽车 small-displacement vehicles 温室效应 greenhouse effect 污水治理 sewage treatment 可回收的旧报纸 scrap-newspaper 无车日 car-free day 世界环境日 World Environment Day 污染者负担的政策 the-polluters-pay policy 环保执法检查 environmental protection law enforcement inspection 限期治理 undertake treatment within a prescribed limit of time 生态示范区 eco-demonstration region; environment-friendly region 白色污染 white pollution 可降解一次性塑料袋 throwaway bio-degradable plastic bags 有机污染物 organic pollutants 三废综合利用 multipurpose use of three types of wastes 城市垃圾无害化处理率 decontamination rate of urban refuse 垃圾填埋场 refuse landfill 垃圾焚化厂 refuse incinerator 防止过度利用森林 protect forests from overexploitation 森林砍伐率 deforestation rate |