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能源节约的作文篇1
it’s a great honor for me to bring you a brief introduction about the electric power and energy in china.
maybe 15 years ago when i just graduated from my primary school, i had to study in a candle at night and my friend had to suffer from the hot weather in the city in summer, because we are facing a very serious problem as you are facing now, the shortage of the electricity as a result of the repaid development of the society.
but by now this problem has been solved. china has been the largest energy producing and consuming country. in 2015, we have consumed about 4 billion ton standard coal of all kind of energy, and about 5,550 billion kwh of electricity. we have successfully solved this problem because by years construction of power plants, we have 1.4 billion kw of installed capacity now. by 2020, 2030, and 2050, the tota
l install capacity will be about 2 billion, 2.4 billion and 3.6 billion kw, respectively. but this has brought us another serious problem, the serious atmosphere pollution.
just as i mentioned, china consumes about 4 billion ton standard coal of all kinds of energy, the thing is that 70% of this number is real coal. in the energy structure, coal has been taking a leading position in a very long time. thus, the percentage of high-quality energy, such as oil and gas, and clean energy is very low, and the level of electrification is not high. we are trying to modify the structure of the energy consumption. take beijing, who has been suffering the most serious atmosphere pollution, as an example, is closing all of its 4 large coal-fired power plants by 2016, and these will be replaced by gas-fired power plant.
in order to realistic the sustainable development of energy, as well as deal with the air pollution problem, chinese government has published many policies to encourage the development of renewable energy, namely hydropower, wind power, solar power, etc. in 2020 renewable energy will account for 20% of china’s electricity consumption, and 15% of all kinds of energy; in 2030, this proportion will increase to 30% and 20%; and by 2050, this percentage will be 50% and 30%.
so what do we have to achieve that goalwe have about 540,000 mw of technical capacity of hydropower, and by 2015, we have developed about 300,000
mw; we have more than 2 billion kw of onshore wind power potential capacity, and by 2015, we have developed 100,000mw; we have more than 3 billion kw of solar power potential capacity if we are going to use 5% of the desert and we have by now developed 5,000mw. we have the largest hydropower install capacity, the largest wind power install capacity as well as the solar power capacity in the world for years. we are moving forward to our goal step by step. as a request of the scientific develop of renewable energy, china has 13 large hydropower generation bases, which add up to 320,000 mw, planned by hydrochina; china has more than 8 wind power bases, each capacity of which can be more than 1000mw.
having solved the sustainable development and air pollution problem, we have to face other problems. the coal, hydro, wind and solar resources distribute mostly in the north, southwest, and west of china, but the load center is in east and south part of china. so we must face the problem of long-distance transmission of electricity, just as you are facing now. and as a result of the seasons and weather changes, hydropower and wind power must cooperate with the coal-fired power. we have built and operated lots of power grid, and have made many trials to stabilize the grid, and have eventually successfully solved these problems.
what i’m going to say is that, we have been through the problems you are facing now, and we have gain experience from both good and bad sides. we have the ability and confidence to help you solve your problem, to give you the successful experience but not the same fault we have made. that’s why we are here today, please have confidence in us just as we do, and embrace a bright future!
能源节约的作文篇2
with the rapid development of economy and society, there are many problems, which bring some negative effects to our life. energy shortage is one of the most serious problems in the world. many reasons can explain the energy shortage.
with the rapid development of various industries, the demand for energy has also increased greatly. with the passage of time, population growth is another factor. the demand for life, work and other aspects of population growth is also increasing.
energy waste has always been a serious and common problem in order to solve this problem, all of us should act together for one thing. we should try our best to find new energy to replace our most consumed energy. everyone should establish the concept that energy is limited.
we should form the habit of saving energy. we can start from small things, such as turning off the lights in a word, and energy shortage it is a major and serious problem in the world. we should solve this problem by finding new renewable energy, saving energy and any other possible ways.
能源节约的作文篇3
the earth's energy is mainly underground coal and oil, and if you just use that very quickly, we need to save energy.
most of the electricity we use comes from coal, which generates billowing smoke and debris when it burns. that oil uses more fuel, cars, planes use life a lot of plastic products, and some we wear clothes, and so on, these will be on the air, soil and water pollution. at that time, we can't see a green sky, can't breathe fresh air, can't eat unpolluted vegetables and fruit, can't drink clean water.
what should we do? we should save electricity and turn off the lights. also go out, try not to use the car, had better ride a bicycle. we start small, to protect the earth.
地球上的能源主要地下的煤炭和石油,如果只管用那很快就要用完,我们要节约能源。
我们用的电大部分来自煤炭的火力发电,煤炭燃烧时会产生滚滚浓烟和残渣;那石油的用途更多了,汽车、飞机用的燃料,生活中很多的塑料制品,还有一些我们穿的衣服,等等,这些都会对空气、泥土和水产生污染。到那时,我们再也看不到一碧如洗的天空,呼吸不到新鲜的空气,吃不到没有污染的蔬菜和水果,喝不到洁净的水。
我们应该怎么做?我们要节约用电,做到随手关灯。还有出门,尽量不要用汽车,最好骑自行车。我们从小事做起,来保护地球。
能源节约的作文篇4
近年来,养育我们的地球妈妈生病了:海平面急速上升;南北两极的冰岛、冰山急速融化;大气层严重损坏;夏天越来越热,冬天越来越冷;空气被污染;生物链被破坏;许多动植物频临灭绝;地震、火山、海啸、泥石流、雪灾等灾难频频发生。全民动员起来,低碳转型,保护环境。
电视里、广播里、学校里……都常常提出要“保护环境,低碳生活”,但同学们可能不知道节能环保应该做些什么。其实要做到节能环保并不难,它就在我们身边。
首先是节约用电。看完电视后立刻拔下电源插头;饮水机烧开水后立刻关闭电源;电脑查完资料后要立刻关机;手机冲完电后立刻拔下充电器;相机照完像后要马上关闭;电饭锅不要总开着,做完饭就拔下插头;遥控汽车上用完的电池不要扔,电视遥控器上接着用;天黑时不要打开很多灯,一个既可等等。
其次是节约用水。洗澡、洗衣服、洗菜等的水不要直接倒掉,开始比较脏的时候可以用来冲马桶,后来冲洗的比较干净的水可以用来洗抹布打扫卫生。节约用水不只是循环用水、多次利用水,更多的是:用完水后,立刻关闭水龙头;不用水来嬉戏、玩耍;尽量少用水,不过卫生还是要讲的,这里指不必要的用水。
不但在节约用电、节约用水这两方面可以节约,在我们日常生活中的一些小事也可以节约,例如:一张白纸正面用完后,反面接着用;圆珠笔、水彩笔、碳素笔没油没水后不要扔掉,只要换一根笔芯既可;瓶瓶罐罐不要扔掉,可以送到回收站……
除了节约方面可以保护环境低碳生活,以下的几个方面也可以:少开车,多步行或骑自行车;外出旅行时不随地乱扔垃圾,自己随身携带垃圾袋,扔到垃圾袋里;平时不用塑料袋,改用布袋子;少砍伐树木,多栽一些花草树木等。
上述种种,都是我们举手之劳的小事,但是件件都与保护地球美丽家园的大事有关,我们何乐而不为呢?
那么,让我们一起行动起来保护环境、节约能源,让我们的地球妈妈恢复美丽的“容颜”!
能源节约的作文篇5
tree are very important in our life .they are the biggest and oldest living things on earth .many things comes from trees ,for example ,the wood in your pencil and the paper in your notebook .tree can fight pollution ,they can cool and clean the air .tree can also communicate with one another to protect themselves from insects .
but now trees are in great danger .people cut down and burn them every year .trees are our friends .let’s try our best to plant more trees and protect them.
译文:
树在我们的生命中非常重要。它们是地球上的最大、最老的生物。许多东西来自树,举例来说,在你的铅笔中的木头和在你的笔记本的纸张。树能对抗污染,他们能冷却而且清理空气。树与树之间也能与彼此沟通,使它们自己免于昆虫的'攻击。
但是现在树正处于危险的环境之中。人们每年不断地砍伐和烧毁它们。树是我们的朋友。让我们尽全力种植更多的树而且保护他们。
能源节约的作文篇6
电,是光明之火;电,是绿色的能源;电,是我们忠实的朋友。它和我们的生活形影不离,哪儿需要它,它就会在哪儿发光发亮而毫无怨言。可它又被称为“无牙老虎”,如果我们不小心触摸它,它会把我们“咬”伤,有时使用不当,还可能会造成火灾,夺去人的生命,将财产化成灰烬。由此可见,电又是多么的可怕!但是,只要我们能多点了解它的特性,并合理地使用它,它又会温柔地、无私地为我们人类服务。请看下面的一组数据:一度电可以炼钢1。25—1。5千克,采煤27千克,生产化肥22千克,生产洗衣粉11。8千克,供电车行驶0。86公里,供电扇(50瓦)运转20小时,电冰箱(断续)20—24小时,电灯(40瓦)25小时。滔滔江河源于细流,人人关心“节电”,就会积累无数个“一度电”;反之,将会浪费多少“一度电”、多少煤、多少钢、多少布、多少面粉、多少……将从你手下白白流失?节约用电,还可以减少排放到大气中的硫化物和氢化物,减少酸雨,减缓地球变暖。可我们经常可以看到电“白天陪着太阳亮,晚上伴着星星明”。教室里没人时,电灯却开亮着,走廊、楼梯的电灯也经常被同学们“不经意”地被迫睁开了眼睛,造成了能源的浪费。“谁知电中线,度度皆辛苦”。去年,我省经历了一个高温少雨的夏季,全省用电七次破了前年的最高用电记录。目前,我县已经建了好几个电力站,但还不能满足越来越多的用电需求,供电公司只能够强制性地让我们轮流用电,错开用电高峰,给我们的生活带来很大的不便。所以节约用电已成了我们共同关注的焦点,为了节约用电,我们要做到:光线充足时不开灯,人离开后随手将灯关闭,家用电器不用时不要使它处于待机状态。节约用电,人人有责。让我们从自我做起,从身边做起,从现在做起,为节约用电而行动起来吧!
能源节约的作文篇7
energy shortage is a very serious problem in the world. many people worry that energy resources on the earth will be exhausted if we use them in an unchecked way. this, most people agree, will cause serious problems and even crisis and jeopardize the survival of mankind . on the one hand, most people agree that the problem can be solved in one way or another. one is to conserve and save our energy. energy refers not only to coal, oil, or natural gases but also to goods, land and water, etc. most countries have realized the wastefulness in their using of energy. they are trying to conserve energy. for example, some countries have a daylight saving system to use less electricity for lighting. some cities have enforced water savers at public such as restrooms and bars. some have enforced serious penalties on overuse of electricity, water, and farming land. by these means, people hope the drain on energy resources could be slowed down. however, conservation alone cannot solve the problem. another way, perhaps the best i think,, is to develop new energy resources. obviously, no matter how hard we try to save energy resources and how abundant they are, we will use them up sooner or later. i think there are many energy resources that we can develop and utilize. we don't have to depend only on the current conventional energy resources. there are many other energy resources that we can develop such as nuclear power, waterpower and solar power. these resources, if developed, can completely replace the conventional energy and thus solve the problem of energy shortage.
能源节约的作文篇8
the world is not only hungry, but also thirsty for water. this may seem strange to you, since nearly 75 % of the earth's surface is covered with water. but about 97% of this huge amount is sea water, or salt water. man can only drink and use the other 3% -- the fresh water that comes from rivers, lakes, underground , and other sources. and we cannot
even use all of that, because some of it is in the form of icebergs and glaciers. even worse, some of it has been polluted.
however, as things stand today, this small amount of fresh water, which is constantly being replaced by rainfall, is still enough for us. but our need for water is increasing rapidly-- almost day by day. only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on. a limited water supply would have a bad effect on agriculture and industry. let me give you just one small exampie of how necessary water is to industry. did you know that to produce a single ton of steel, it takes about 91, 000 liters of water?
we all have to learn how to stop wasting our precious water. one of the first steps we should take is to develop ways of reusing it. experiments have already been done in this field, but only on a small scale. for us, the systems are as important as the spacecraft.
译文
世界是不只有饥饿的,但是也口渴的为水。 这可能对你似乎很奇怪,因为将近75%的地球的表面布满水。但是大约97%的这个极大的部分是海洋水、或含盐的甜水。人们只能喝而且使用另一个3%——来自河的淡水,湖,地下水,和其他来源。而且因为它其中的一些是以冰山的形式,所以我们不能够甚至使用那全部和冰河。甚至更坏,它其中的一些已经被污染。
然而,因为事情今天站,这个少量淡水,正在不变地被降雨量代替,仍然对我们充足。 但是我们的对水的需要正在快速地增加--几乎日复一日。只有当如果我们采取措施现在处理这一个问题我们能稍后避免一个严格的全世界的水不足吗。一个被限制的给水会有对农业和工业的差劲影响。让我只是给你一个小必需水如何对工业的例。你知道生产一吨钢,它拿水的大约91000公升?
我们全部必须学习该如何停止浪费我们的宝贵水。 我们应该拿的首要步骤之一将发展重复使用它的方式。实验在这一个栏位被做,但是只有在一个小规模上。为我们,系统很像太空船一样的重要。
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