维克多英语 垃圾分类 科普ppt课件.pptx
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1、,Waste Sorting / Garbage Classification垃圾分类,1、What is garbage classification?2、Why should we execute(执行) garbage classification?3、Garbage classification in different countries.4、What should we do with garbage classification?,CONTENTS,What is garbage classification?,PART 01,Garbage classification mea
2、ns the classification of recyclable and unrecyclable garbage.Garbage classification can be used more efficiently - kitchen waste can become compost(堆肥), residual(剩余的)waste can be incinerated(焚烧) to generate electricity, recyclables save our natural resources.,Hazardous Waste 有害垃圾Involving risk or da
3、nger, especially to peoples health or safety.,Batteries,Lamp,Medicine,Paint 油漆,Poison,Films,Recyclable Waste 可回收物Trash that can be recycled.,Paper,Plastic,Glass,Textile 织物,Metal,Household Food Waste 湿垃圾Perishable(易腐烂的) domestic waste.,Scraps 残羹剩饭,Leftover,Expired food,Fruit,Flower and plant,Residual
4、 Waste 干垃圾Other waste except recyclable, hazardous, household food waste.,Cigarette butts,Contaminated paper towels,Plastic bags,Slag,Cat litter,Why should we execute garbage classification?,PART 02,2/3 of Chinese cities are in siege(包围)of garbage.22,500 tons of life garbage produced everyday in Bei
5、jing.300 kg waste produced per person per year.National city garbage totally encroached on(侵占) 500 million square meters of land.,Degradation(降解)Time,Paper3 4 monthsGlass4000 years Plastic100 200 yearsLeather50 years,Recycling is an excellent way of saving energy and protecting the environment.,1 re
6、cycled tin can would save enough energy to power a television for 3 hours.1 recycled glass bottle would save enough energy to power a computer for 25 minutes.1 recycled plastic bottle would save enough energy to power a 60-watt (瓦特)light bulb for 3 hours.70% less energy is required to recycle paper
7、compared with making it from raw materials (原材料)., Save resources Save energy Protect the environment Create jobs,Reasons,Garbage classification in different countries.,PART 03,With peoples increasing awareness of environmental protection, garbage classification has attracted more and more attention
8、.In many developed countries, the recycling industry has played an important role in the industrial structure.,JapanFamous for the garbage classification.,Every city has the garbage classification guidance. Regional autonomy (区域自治)is conducted, so different cities have different garbage classificati
9、on regulations. Children under the guidance of their parents strictly abide by (遵守)these rules. However, garbage classification requirements are so complicated that many adults can not necessarily understand them.,The city government makes a guide to garbage classification and recycling every year a
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