We live in the world every day. We eat food, drink water, wear clothes, watch TV, use computers and so on. We are producing waste every moment.
Generally speaking, there are four sorts of waste. They are material waste, organic waste, inorganic waste and poisonous harmful waste. Now, we are going to talk about each sort of waste one by one.
Material waste: it means the waste of substance or things from which something else can be made. For example, people throw away the used metal products and buy a new one, so the old metal waste accumulates. At last, they become waste. For example, when people finish reading newspaper, the paper will become waste. When the glass is broken, it also becomes waste. Nobody wants to use a broken window or drink with a broken glass or wear a pair of broken glasses. Once it is broken, it becomes waste. The rate of using plastics is increasing day by day. People use plastic bags because they are convenient. When they get home, they throw the plastics way, paying no attention to the environment. The more convenience plastics brings to us, the more plastic waste is produced. This is called white pollution as most plastics are white. Some of our products we use every day are made of rubber, just like the tyres and the bottom part of our shoes. Its true that rubber plays an important role in our life. However, it also brings us some trouble when it has been used for a long time and becomes old. The old tyres become waste because it cant break down by nature. This is really a big problem.
Organic waste: it refers to waste from living things, including waste from animals, plants and people. Some parts of vegetables are thrown away as waste because they dont taste good. In the past, people cooked their food using burning coal, so there left the burned coal, which is useless, like the thrown vegetables. All this sorts of waste contain organism, so it is called organic waste.
Actually, we also have inorganic waste, the opposite to organic waste, including building waste, broken pottery and china, and cinder.
The last part is harmful and poisonous waste, such as used batteries, electrical apparatus and medical supplies. Computers and TV sets are one part of electrical apparatus. You see, the old electrical apparatus can set off some dangerous rays and make the soil harder, even damage the under ground water. Mobile phones are as dangerous as computers and TV sets. As we know, X-rays can be used to examine patients, but the X-rays machines are dangerous when they are thrown away without any treatment. They cant be used to treat the sick, but they still can give off rays. For the normal people, they can be dangerous. So, we must think about this problem.
As waste has four sorts, we can sort them into each sort that they belong to. Its convenient to treat them after they are sorted. Then we can deal with them sort by sort. We have thought out some methods like storing them in order to change them into plant food, or burning them in a huge stove and use the heat to make electricity. For the first way, the change rate is much too low and it may pollute the under ground water. For the second one, of course its wonderful if its easy to be tried out. But to build such a huge stove will cost too much. Not a good method. Now you see, treating waste is not an easy job.
From what has been discussed above, we can do something to our homethe earth. We should make full use of things. At the same time, wed better reduce its harmful effect as much as possible.
We can do from the basic of waste. Thats to say, we can reduce the production of waste, and reuse and recycle them as much as we can. Take material waste for example. Nearly all of them can be recycled and reused. And, we should call for using things made of paper instead of plastics so as to protect our environment.
Protecting the environment is not one persons duty; it depends on all of us. What can we do? Maybe a dozen..
In a word, use what can reuse as much as possible. Remember, environment protection is not ones duty!
国际英语资讯:Canadas COVID-19 cases surpass 10,000
体坛英语资讯:Vlhova completes slalom World Cup hat-trick and overtakes archrival Shiffrin in her absence
国际英语资讯:France reports 471 new COVID-19 deaths in hospitals
国际英语资讯:COVID-19 deaths in Italy close to 14,000
国际英语资讯:Erdogan, Putin discuss ways of cooperation against COVID-19
国内英语资讯:14-day quarantine required for out-of-town patients in Beijing
旅游业收入骤降 泰国大象可能要挨饿了
英专家称退休金制度已不适合21世纪
体坛英语资讯:Feature: Barca Academy in Egypt, place to learn magic of football, human values
国内英语资讯:Vice premier stresses research on COVID-19 vaccine, treatment, medicine
国内英语资讯:China to strengthen epidemic control along land border
国际英语资讯:WHO secures 2 mln USD to contain COVID-19 pandemic in Africa
投资者要关注税收和通货膨胀
Tomb-sweeping Day 清明节
纳尔逊·曼德拉:你不知道的六件事
按身份证尾号出行、男女分开出门......盘点一些奇特的居家令
Youth 青春
疫情期间该如何打扫房间?
国内英语资讯:Trump welcomes Chinas efforts to help other countries in fight against COVID-19
国际英语资讯:Confirmed COVID-19 cases worldwide exceed 1 million -- Johns Hopkins University
自然收复失地?人类隔离数日后野生动物开始现身城市
国际英语资讯:European economy devastated by pandemic as COVID-19 cases well pass 500,000
体坛英语资讯:Calgary FIS snowboard World Cup sees big achievements for Blouin and Collins
国际英语资讯:Brazils COVID-19 death toll reaches 240, with 6,836 infected
国际英语资讯:Trump says not to issue national stay-at-home order
我想一整天都和男朋友在一起
体坛英语资讯:Beijing 2022 organizing committee holds high-level video conference with IOC
国内英语资讯:Chinas control measures prevent tens of thousands of infections: spokesperson
国内英语资讯:Vice premier stresses reserve of emergency medical supplies
Loving Ones Country 爱国