保护树木英语精选作文初一
保护树木英文英文作文
保护树木英文英文作文Tree protection is crucial for our environment. Trees provide us with oxygen, shade, and beauty. They are also home to many animals and insects. Protecting trees means protecting the balance of our ecosystem.When we protect trees, we are also helping to combat climate change. Trees absorb carbon dioxide and release oxygen, which helps to reduce the amount of greenhouse gases in the atmosphere. This is essential for maintaining a healthy planet.One way to protect trees is to avoid unnecessary deforestation. Cutting down trees for development or agriculture should be minimized, and reforestation efforts should be increased to replace the trees that have been lost.Another way to protect trees is to prevent damage from human activities. This includes avoiding littering,vandalism, and pollution in areas with trees. It's important to educate people about the importance of preserving trees and the impact of their actions on the environment.In urban areas, it's important to protect existing trees and plant new ones. Trees in cities provide shade, reduce air pollution, and improve the overall quality of life for residents. Efforts should be made to create green spaces and protect existing tree canopy cover.In natural areas, such as forests and parks, it's important to establish protected areas where trees and wildlife can thrive without human interference. This helps to preserve biodiversity and maintain the health of the ecosystem.Overall, tree protection is essential for the health of our planet and the well-being of future generations. It's important for individuals, communities, and governments to work together to protect and preserve our trees.。
环保植树造林英语作文5篇
环保植树造林英语作文5篇植树节是按照法律规定宣传保护树木，并动员群众参加以植树造林为活动内容的节日。
按时间长短可分为植树日、植树周和植树月，共称为国际植树节。
提倡通过这种活动，激发人们爱林造林的热情。
植树节是为了保护倡导人民种植树木，鼓励人民爱护树木，提醒人民重视树木。
树木对于人类的生存，对于地球的生态环境，都是起着非常重要的作用。
下面是小编整理的关于环保植树造林英语作文，欢迎阅读，希望能帮助到大家，谢谢!环保植树造林英语作文1March 12th is Tree Planting Day. This year our school bought enough trees before that day . On that day , we didn't had classes . The teachers and our classmates planted trees around our school.We began to planted trees as soon as we got to school . some students dug the holes . Some students put the trees into the holes.Some students put the earth back to the holes. Then we pushed the earth hard with our feet . At last we watered the trees as much as possible.From then on we looked after the trees carefully and the trees grew very well . It made our shcool more beautiful .And How happy we are !环保植树造林英语作文2On Arbor Day, particular attention is drawn to the part trees play in our lives. It's not just a day to plant trees and then forget the gesture for another twelve months. Planting a tree one day is no credit to us if, during the rest of the year, we neglect to care for it and those already growing. Our thought on Arbor Day should be an expression of enduring feeling, thought and action and not just one single, isolated flame of interest.In schools and other community groups, this day can be celebrated in many different ways.·By planting trees or shrubs in school grounds, along neighbouring streets or in civic parks.·By 'adopting' a patch of bush, with the landowner's consent, and caring for it by removal of weeds, rubbish, etc, by preparing firebreaks and by fencing and making paths to reduce trampling.·By presenting a play or mime about trees in the history of Australia.·As a class activity or common interest group go on a visit to a bush area with a spokesperson to explain the characteristics of plant species and their niche in the natural environment.·Collect some tree seeds, germinate them in a classroom, and plant out the seedling.·Carry out identification of trees in a specific part of your school or neighbourhood. A tree labelling ceremony could also be arranged.·Compile a list of everyday objects that are made of wood or wood-based materials, and find out how the wood was processed, where it came from and whatever else you can.Trees and shrubs, whether native or introduced to WA, provide opportunities for the interest and study by the whole community, and when we walk around our own neighbourhood or drive through the countryside, we can appreciate the importance of such a spanersity of plants to the well being of humanity.环保植树造林英语作文3In many countries it has long been the tradition to hold an annual tree or forest festival. The origin of such celebrations dates back to antiquity and is in the dawn of religious feeling andawe for what trees represented. However, Arbor Day, as it is commonly known today, is of American origin and evolved from conditions peculiar to the Great Plains. It was first observed in Nebraska in 1872.The idea, conceived by J.S. Morton, then a member of the Nebraska State Board of Agriculture, was one of forest conservation. It was a move to promote replanting, following deforestation, and to plant up treeless areas.The idea has spread widely to other lands where it is variously celebrated as the 'Festival of Trees', 'Greening Week' of Japan, 'The New Year's Days of Trees' in Israel, 'The Tree-loving Week' of Korea, 'The Reforestation Week' of Yugoslavia, 'The Students' Afforestation Day' of Iceland and 'The National Festival of Tree Planting' in India.Arbor Day in its various forms is now recognised in more than fifty countries.环保植树造林英语作文4The annual Arbor Day approaching, we began to have the protection of forests and trees. More than half of the people think that only the Arbor Day was to protect the forest and trees, in my opinion, but on the contrary, we can not protect the forest and trees only in Arbor Day should be every moment of protected forest and trees.Nature is the cradle of humanity, is a natural green color, is a valuable hope ah! It is life, it is hoped, it is the driving force, it is a comfort, it is a joy!I sent you the seed capsules, leafy you let them, I grant you the collections of trees, you let them trees. Only love the motherland and love of mankind really know the green, only to start from caring for the plants and trees in front of people, youwill love the motherland mountains and rivers. We young people to Love Every Greenery, love every blade of grass, every flower that. Protect the environment, green campus, so green life activation life we love to do a better motherland builders.March 12 - Arbor Day, I hope every day is Arbor Day, let slogan implement action to make green dyed green Earth. In humans into the 21st century, the Earth has the burden of deep, miserable, environmental pollution and destruction of human beings is also growing, forests are the main terrestrial ecosystems, improve the ecological environment of the most fundamental law is to plant trees and grass increase green vegetation, green engineering as well, it is impossible to have a good ecosystem, so planting is the target of the world.Green is actually primary producers of organic material, they can use solar energy and moisture in the soil organic matter and nutrient manufacturing, own more than 10 to 30 times the heterotrophic organisms provide essential food. Originally the tree has the ability to regulate climate, maintain the ecological balance of the trees through photosynthesis, clean fresh air, oxygen 65 acre of trees evolved enough personal respiratory use. Trees not only clean air, but also wind and sand, conserve soil and water, without soil erosion, or "killer dust" an acre of land can absorb all kinds of trees a year 20 -60 tons of dust! Reduce noise pollution also their instinct, nine meters wide The forest can be weakened 10-15 dB noise pollution. Trees secretions also has bactericidal action, forest per cubic meter of air containing bacteria three four hundred, while the open area per cubic meter of air containing bacteria three forty thousand, a difference of 100 times!Green plants protect earth, protect human beings, let uswork together to plant trees you can also contribute, greening and beautifying our environment, let us treasure green, tree planting, remember March 12 - Arbor Day.I want everyone to protect the forest, protecting the trees, so that a sub-city life of Tim Green.环保植树造林英语作文5Spring is the best season to plant trees. Plantingtrees1 must conform to some correct steps. The first stepis digging a hole barge enoughZ for the tree, but the holeshould not he too deep. The second step is putting astraight stick into the earth next to the hole, then put thetree into the hole and tie it to the stick. The third step isputting the earth back in the hole again and then pushingit down hard'3' with feet several times. At last water theyoung tree because water is important to the growth ofyoung trees.。
保护树木的英语作文七年级
Protecting Trees: Our ResponsibilityTrees are the lungs of our planet, providing us with clean air, shade, and a beautiful natural environment. However, with the increasing urbanization and industrialization, the number of trees is dwindling rapidly. It is our responsibility to protect trees and ensure their survival for future generations.Firstly, trees play a vital role in maintaining the ecological balance of our planet. They absorb carbondioxide and release oxygen, thus helping to reduce the greenhouse effect and global warming. Additionally, trees provide habitats for various wildlife species, contributing to biodiversity. By protecting trees, we are preserving the natural habitats of these creatures and ensuring their survival.Secondly, trees have numerous benefits for humans. They provide shade during hot summers, reducing the need for air conditioning and thus saving energy. Trees also help to purify the air by absorbing pollutants and dust particles. Furthermore, they add beauty and tranquility to our surroundings, making cities and towns more livable.Unfortunately, many trees are being cut down for various reasons, including deforestation for timber and agricultural land. This deforestation has led to the loss of habitats, soil erosion, and an increase in global warming. Therefore, it is crucial that we take action to protect our trees.One way to protect trees is by planting more of them. We can participate in tree-planting drives organized by local organizations or governments. Additionally, we can plant trees in our gardens, schools, and neighborhoods. This will not only increase the number of trees but also raise awareness about their importance.Another way to protect trees is by conserving forests and natural habitats. We should oppose deforestation and illegal logging practices. We can also support organizations that are working to preserve forests and wildlife habitats.Moreover, we can reduce our carbon footprint by adopting sustainable lifestyles. Using renewable energy sources, recycling, and reducing waste can help mitigate the effects of climate change and protect trees.In conclusion, protecting trees is essential for the survival of our planet and all its inhabitants. It is our responsibility to ensure that trees continue to thrive and provide us with their numerous benefits. By planting more trees, conserving forests, and adopting sustainable lifestyles, we can make a significant contribution to the protection of trees and the environment.**保护树木：我们的责任**树木是我们地球的肺脏，为我们提供清洁的空气、阴凉和美丽的自然环境。
保护树木的方法英语作文5种
保护树木的方法英语作文5种Here are five ways to protect trees in English, written in an informal and conversational style:1. Plant More Trees!Hey, guys! One of the best ways to protect trees is to plant more of them. You know, every tree you plant today helps reduce air pollution and gives homes to wildlife. Plus, they add beauty to our cities and towns. So why not grab a shovel and some seeds, and get planting?2. Reduce Paper Waste.You know what? Every time you throw away a piece of paper, you're indirectly cutting down a tree. So why not be mindful and reduce paper waste? Use both sides of paper, recycle, and opt for digital documents whenever possible. It's a small step, but it makes a big difference.3. Support Sustainable Wood Products.Shopping for furniture or wood products? Make sure you buy from companies that use sustainably sourced wood. That way, you're ensuring the trees you use are grown in a way that doesn't harm the environment. It's a win-win for you and the planet!4. Spread Awareness.Talk to your friends and family about the importance of trees. Share facts, stories, and ways they can contribute to tree protection. The more people are aware, the better chances we have of preserving our forests.5. Volunteer for Tree Planting Events.There are often events and organizations that organize tree planting drives. Sign up for one and lend a helping hand. Not only will you be contributing directly to tree protection, but you'll also meet new people and have a great day out in nature!。
保护树木 英文作文
保护树木英文作文英文：Protecting trees is crucial for the environment and our future. Trees provide oxygen, filter pollutants, and provide habitats for wildlife. However, trees are often cut down for development or simply because people don't realize their value.One way to protect trees is to plant more of them. I have personally planted trees in my backyard and in local parks. This not only helps the environment but also beautifies the area and provides shade.Another way to protect trees is to advocate for their preservation. This can be done by contacting localofficials and expressing the importance of keeping trees in the community. It can also be done by supporting organizations that work to protect trees and forests.Finally, we can all do our part by being mindful of our own actions. Avoid cutting down trees unnecessarily and try to use products made from sustainable materials. By working together, we can protect trees and ensure a healthierfuture for ourselves and the planet.中文：保护树木对于环境和我们的未来至关重要。
保护树木英语作文初一
保护树木英语作文初一绿色的植物就是我们的宝贝，宝贝需要我们爱护它；种一棵树，种一枝花，世界会更美好。
保护树木英语作文初一1 Ladies and gentlemen,I want to say something about trees.As we know now trees are very important to human beings.First of all,they benefit our health.They send out oxygen for us to breathe.We can't live without trees.Secondly,trees can beautify our environment.As trees are so important,we must do our best to protect them.We must enforce the tree protection laws.We must plant as many trees as possible.Only in this way can we live happily in the beautiful world.女士们,先生们：我想说一些关于树的问题,我们也知道树对于人类来说很重要.首先,树有益于我们的健康.树提供我们呼吸的氧气.没有树我们就不能生存.其次,树可以美化我们生存的环境.由于树这么重要,我们必须尽量保护它们.我们必须应用法律的武器来保护树木.我们必须尽可能的多种树.只有这样我们才能在这个美丽的世界上幸福快乐的生活。
保护树木英语作文初一2 Hundreds of millions of years ago,the Earth's animals go when the plant has a lush,full of vibrant,full of green,but the IQ is much higher than other————来源网络搜集整理，仅供个人学习查参考animals,humans appear,by magic plant as a sharp decrease.That is because human beings to build houses,caused by the felling of trees.Either because of business needs,a large number of trees felled leaving a large number of open space,used to build the building.Because many people without felling trees and trees,so the destruction of nature.I hope everyone can protect the forest,protection of trees,so that the city's life add in green!几亿年前,地球归动物所拥有的时候植物繁茂,到处生机勃勃,充满了绿色,但是,智商远远高出其他动物的人类出现后,植物像被施了魔法一样的急剧减少.那是因为,人类为了建造房屋,砍伐树木所造成的.有的是因为商业需要,大批大批的砍伐树林留出空地,用来建造大楼.正因为许多人擅自砍伐树林和树木,所以大自然被破坏.我希望每个人都能保护树林、保护树木,让都市的生活添一分绿色!保护树木英语作文初一3 Each year, people burn or cut down 143,000 square kilometers (55,000 square miles) of the forest. People who burn or cut down trees do it for different reasons: farmers cut down trees in order to get more fertilize lands to grow rice or vegetables, and use the woods as fuel. Timber companies cut down trees and turn them into furnitureor paper productions. As to goal miners, they remove the forests to find out whether there are goal underground.每一年，人们都会砍伐14.3万平方千米的森林（约5.5万平方英里）。
保护树木 英语作文
保护树木英语作文Protecting trees is essential for our environment.Trees provide us with oxygen, shade, and beauty. We need to do everything we can to protect them from harm.One way to protect trees is by avoiding unnecessary cutting. Trees take a long time to grow, and once they are gone, it is difficult to replace them. We should only cut down trees when it is absolutely necessary.Another way to protect trees is by preventing pollution. Pollution can harm trees and prevent them from growing properly. We need to reduce our carbon footprint and limit the amount of harmful chemicals we release into the environment.Furthermore, we should also be mindful of the impact of deforestation. Deforestation can lead to the loss ofhabitats for many animals and disrupt the balance of our ecosystem. We need to preserve forests and plant more treesto make up for the ones that have been lost.In addition, we should also be careful when using products made from trees. We should recycle paper and wood products whenever possible and choose sustainable options to reduce the demand for tree-based products.In conclusion, protecting trees is crucial for the health of our planet. We need to be mindful of our actions and make an effort to preserve and care for trees in any way we can.。
保护树木的英语作文（精选7篇）
保护树木的英语作文（精选7篇）保护树木的`英语作文篇1We all kown that the tree is a kind of important natural resource.Because trees can help us improve environment.Forexample,trees can release oxygen and absorb carbon dioxide,This is a very important advantage.And trees even can protect the water resource. When it is raining,trees' roots can absorb the water and keep it not be eroded.Of course,trees can beautify our world.Trees have a lot of benefits,so we should plant more trees to improve our envionment and protect the world where we live in.保护树木的英语作文篇2Hundreds of millions of years ago, the Earth's animals go when the plant has a lush, full of vibrant, full of green, but the IQ is much higher than other animals, humans appear, by magic plant as a sharp decrease. That is because human beings to build houses, caused by the felling of trees. Either because of business needs, a large number of trees felled leaving a large number of open space, used to build the building. Because many people without felling trees and trees, so the destruction of nature.I hope everyone can protect the forest, protection of trees, so that the city's life add in green!保护树木的英语作文篇3Ladies and gentlemen, I want to say something about trees. As we know now trees are very important to human beings. First of all, they benefit our health. They send out oxygen for us to breathe. We can't live without trees.Secondly, trees can beautify our environment.As trees are so important, we must do our best to protect them.We must enforce the tree protection laws. We must plant as many trees as possible.Only in this way can we live happily in the beautiful world.保护树木的英语作文篇4One possible version: In order to support Beijing to hold the 20某某 Olympic Games and protect our environment, an activity was organized by the Young League and Student's Union of our school during the week from June 3rd to June 8th. All the students in the senior grades took active part in it.Some students cleaned the playground, watered the young trees and flowers, and removed weeds. Some students collected waste paper, old books, empty cans and old toys. They had them sorted and sent them to the recycling center. The activity is really instructive. Now we all have realized how important protecting the environment is.保护树木的英语作文篇5Trees can be damaged or killed by a wide variety of construction activities. Some practices lead to obvious injuries such as broken branches or torn bark. Open wounds of this type deplete a plant's energy resources and provide entry points for insects, or for diseases such as oak wilt.The worst damage, however, often remains hidden underground. Roots are one of the most vital parts of a tree. They are responsible for nutrient and water uptake, store energy, and anchor the plant. Because they are so important, it is critical that you protect roots that lie in the path of construction.Trees are never the same shape below ground as they are above, so it is difficult to predict the length or location of their roots. Typically, however, approximately 90-95 percent of a tree's rootsystem is in the top three feet of soil, and more than half is in the top one foot. The part of this root system in which construction damage should be avoided is called the Protected Root Zone (PRZ).保护树木的英语作文篇6Rest on Sunday, the sky was clear, white clouds float over the blue sky, a group of birds fly freely in the sky. Little red, xiao Ming and xiao gang to go to the park together, as they walked along, they sing the teacher teach their songs. In the park in a matter of moments.A piece of beautiful scenery in the park trees green and flowers blooming colorful, there are purple, yellow, pink... Little red, xiao Ming and xiao gang was attracted by the view. Xiao Ming suddenly saw a small tree, dropping like fell, and heard the voice of the young trees crying, said: "help me! Help me!" Xiao Ming immediately called the little red and xiao gang said: "look, look young trees is coming, we should straighten trees. This is our young pioneers should do." Little red with xiao gang said: "good! We straighten trees." Xiao Ming found a piece of're write love trees and then plug're used on the floor in front of the young tree. Little red found a few ropetied young trees are painfully. Xiao gang full head big sweat from the river to play water to help young trees watered. They looked at by centering the little extremely happy. They seem to hear the little tree says: "thank you!"Trip to the park today, though very tired, but we have done a meaningful thing.保护树木的英语作文篇7In my home in the back garden, there are many flowers.The day before yesterday, I play in the garden, I saw manyflowers are open. There is a flower is the most eye-catching: this is a pink peony flower, can see its bright at night, I like it the most. There is a Chinese rose, it is dark red, petals rolled back, looks very beautiful. In addition, there are some small white amaryllis and some yellow small wildflowers. I couldn't put it down on them.The next day, I went to the garden again. This time, I not to play, but specifically to see peony. However, peony disappeared, leaving only bare stem and a few leaves. I hurry to go to the Chinese rose, but it was gone. I went to look at the flowers. They are many, but also is much less than before.I hate the person who had the picking flowers, hate the man to do everything! If possible, I want to go to revenge him, I also don't say anything, that take the door, and I was headed to his those flowers, destroy them all, and Shouting, "you are my flower, youstill we all flowers!" "Bang" shut the door, and roared off, leaving his remorse in the room.Take good care of flowers and plants, everybody is responsible for. We all want to start from me, start from now, take good care of flowers and plants trees, protect our home!。
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保护树木英语精选作文初一绿色的植物就是我们的宝贝，宝贝需要我们爱护它；种一棵树，种一枝花，世界会更美妙。
保护树木英语精选作文初一 1 Ｌadies and gentlemen,Ｉwant to say something about trees.Ａs we know now trees are very important to human beings.Ｆirst of all,they benefit our health.Ｔhey send out oxygen for us to breathe.Ｗe can't live without trees.Ｓecondly,trees can beautify our environment.Ａs trees are so important,we must do our best to protect them.Ｗe must enforce the tree protection laws.Ｗe must plant as many trees as possible.Ｏnly in this way can we live happily in the beautiful world.女士们,先生们：我想说一些关于树的问习题,我们也知道树对于人类来说很重要.首先,树有益于我们的安康.树提供我们呼吸的氧气.没有树我们就不能生存.其次,树可以美化我们生存的环境.由于树这么重要,我们必须尽量保护它们.我们必须应用法律的武器来保护树木.我们必须尽可能的多种树.只有这样我们才能在这个美丽的世界上幸福快乐的生活。
保护树木英语精选作文初一 2 Ｈundreds of millions of years ago,the Ｅarth's animals go when the plant has a lush,full of vibrant,full of green,but the ＩＱ is much higher than other animals,humans appear,by magic plant as a sharpdecrease.Ｔhat is because human beings to build houses,caused by the felling of trees.Ｅither because of business needs,a large number of trees felled leaving a large number of open space,used to build the building.Ｂecause many people without felling trees and trees,so the destruction of nature.Ｉ hope everyone can protect the forest,protection of trees,so that the city's life add in green!几亿年前,地球归动物所拥有的时候植物茂盛,到处生机勃勃,充满了绿色,但是,智商远远高出其他动物的人类出现后,植物像被施了魔法一样的急剧减少.那是因为,人类为了建造房屋,砍伐树木所造成的.有的是因为商业需要,大批大批的砍伐树林留出空地,用来建造大楼.正因为许多人擅自砍伐树林和树木,所以大自然被毁坏.我希望每个人都能保护树林、保护树木,让都市的生活添一分绿色!保护树木英语精选作文初一3 Ｅach year, people burn or cut down 143,000 square kilometers (55,000 square miles) of the forest. Ｐeople who burn or cut down trees do it for different reasons: farmers cut down trees in order to get more fertilize lands to grow rice or vegetables, and use the woods as fuel. Ｔimber companies cut down trees and turn them into furniture or paper productions. Ａs to goal miners, they remove the forests to find out whether there are goal underground.每一年，人们都会砍伐14.3万平方千米的森林（约5.5万平方英里）。
人们砍伐树木出于种种原因：农民们为了得到更肥沃的空地来种植大米蔬菜，砍下的树木用来取火。
木材公司用树木来制作家具或是各类纸制品。
至于那些开采煤矿的人，把树木砍掉就是为了检测是否有煤矿在下面。
Ｈowever, many of us fail to realize that forests are the lungs of the earth. Ｗhen we cut down trees, we also push ourselves in to a dangerous situation. Ｔhat is the global warming. Ｗhen you come to think about it, there are only few ways to solve these negative effects: stop cutting down trees blindly; try to find some clear energy that can replace oil and coal. Ｂut these solutions can be impractical to some degreed.然而，我们中的许多人都没有意识到树木等同于地球的“肺部”。
当我们砍伐树木时，我们就把自己推入一个危险的境地——会引起全球气候变暖。
想到这些，只有为数不多的几个规定可以解决这个问习题：停止盲目地砍伐树木；寻找可以替代石油和煤矿的新能源。
但是，就目前来看，这几个策略其实不可行。
Ｗhy trees can be so important to the whole nature? Ｆirst of all, trees are the habitat of many animals. Ｗhen we cut down trees, we not only destroy animals’ habitats but also ourselves. Ｗe just gradually destroy natural links. Ｔhe result is that many spices of animals and plants are dying out. Ｓecondly,cutting down trees cause global warming, to some degree. Ｎaturalists compare forest to human’s lungs. Ｔhe forests absorb the carbon dioxide and other gas that cause global warming, and then give off the oxygen that good for the human beings and other living creatures. Ｉt’s refreshed the air as well as reduced the noise. Ｉf the air quality is bad, people may die from cancers, or the new diseases for which they have no immunity. Ｆorests also play an important role in the prevention of natural disasters. Ｗarmer temperatures cause water to expand and also create more water by melting polar ice caps. Ｔhat’s to say, the nations which near the ocean may have been flooded by the water. Ｂut the forests can prevent water loss and soil erosion, and cool off the global temperatures. Ｉt’s the key to keep the balance of the nature.为什么树木对整个生态环境都如此重要呢？首先，树木是小动物们的家园。
当我们砍伐树木时，我们不单单毁掉了它们的家，也毁掉了自己的。
一步步的，我们渐渐分解了整个生态链，所造成的结果就是大批的动植物品种灭绝。
其二，砍伐树木在某种程度上造成全球变暖。
生态学家把森林比作人类的肺。
森林能够吸收二氧化碳和其他引起气候变暖的温室气体，然后转化成氧气供地球上的生物呼吸。
树木不仅能净化空气，也能减少噪音。
假如空气质量下降，那么人们就有可能死于肺癌，或者是其他致命菌。
森林在预防疾病的过程中起到了重要的角色。
气温的上升导致北极的冰层融化，水平面上升。
也就是说，临海的城市也许会被海水吞没。
但是森林就能够阻止水土流失，使气温下降。
它是保证全球生态平衡的关键。
Ｓometimes people only care about money making; they don’t care about the price we pay for the pollution. Ｗhen the disaster is around the corner, we may be afraid and frustrated. Ｔhe earth, on which our economies have always been based, is suddenly threatening our existence. Ａll we hope that is this overpopulated, over industrialized planet can carry on for a longer time. Ａnd maybe, it’s time for us to realize that we should protect the earth, stop cutting down trees blindly and madly.有时候人们只关心挣钱，却对我们所付出的代价不管不问。