染雾有关污染的英语范文初中 篇一
Title: The Effects of Air Pollution
Air pollution is a pressing issue that affects not only the environment but also human health. It occurs when harmful substances, such as chemicals, gases, and particles, are released into the air, resulting in a decrease in air quality. In this essay, we will explore the effects of air pollution on both the environment and human health.
Firstly, air pollution has detrimental effects on the environment. One of the most significant impacts is the destruction of ecosystems. Pollutants emitted into the air can accumulate on plants and animals, leading to their death or the disruption of their natural habitats. For example, when sulfur dioxide reacts with water vapor in the atmosphere, it forms acid rain, which damages forests, lakes, and rivers. Additionally, air pollution contributes to global warming, leading to climate change and the melting of ice caps. This not only threatens the survival of various species but also results in rising sea levels and more frequent extreme weather events.
Secondly, air pollution has severe consequences for human health. Breathing in polluted air can cause a wide range of respiratory problems, such as asthma, bronchitis, and even lung cancer. Fine particles and toxic gases present in the air can penetrate deep into the lungs, causing inflammation and long-term damage. Moreover, air pollution has been linked to cardiovascular diseases, as it increases the risk of heart attacks and strokes. Prolonged exposure to polluted air can also weaken the immune system, making individuals more susceptible to infections.
To combat air pollution, it is crucial to implement effective measures. Governments should enforce stricter regulations on industries, requiring them to reduce their emissions and adopt cleaner technologies. Investing in renewable energy sources, such as solar and wind power, can also help decrease reliance on fossil fuels, which are major contributors to air pollution. Additionally, individuals can play a role by making environmentally-friendly choices, such as using public transportation or walking instead of driving, and reducing energy consumption.
In conclusion, air pollution has significant effects on both the environment and human health. It damages ecosystems, contributes to climate change, and poses numerous risks to respiratory and cardiovascular health. It is imperative that we take action to reduce air pollution through regulations, the promotion of clean energy, and individual efforts. By doing so, we can protect our environment and safeguard our well-being.
有关污染的英语范文初中 篇二
Title: The Impact of Water Pollution
Water pollution is a growing concern that affects not only aquatic ecosystems but also human health. It refers to the contamination of water bodies, such as rivers, lakes, and oceans, by harmful substances, including chemicals, sewage, and industrial waste. In this essay, we will discuss the effects of water pollution on both the environment and human health.
Firstly, water pollution has devastating effects on the environment. The discharge of toxic substances into water bodies leads to the death of aquatic organisms and the disruption of ecosystems. For example, when oil spills occur in oceans, they coat the feathers of seabirds and the fur of marine mammals, causing them to lose their ability to insulate themselves and leading to hypothermia. Additionally, excessive nutrients, such as nitrogen and phosphorus from agricultural runoff, can result in algal blooms, which deplete oxygen levels in the water and create dead zones where marine life cannot survive.
Secondly, water pollution poses significant risks to human health. Contaminated water sources can spread waterborne diseases, such as cholera, typhoid, and dysentery. These diseases, caused by bacteria, viruses, and parasites present in polluted water, can lead to severe illness and even death. Furthermore, long-term exposure to polluted water can result in chronic health problems, including liver and kidney damage, as well as an increased risk of certain types of cancer. This is particularly concerning in areas where access to clean drinking water is limited.
To address water pollution, various measures need to be taken. Governments should enforce stricter regulations on industries and waste management practices to prevent the discharge of pollutants into water bodies. The implementation of proper sewage treatment systems and the promotion of responsible agricultural practices can also help mitigate water pollution. Additionally, raising awareness about the importance of clean water and encouraging individuals to conserve water and properly dispose of waste are essential steps towards combating water pollution.
In conclusion, water pollution has severe consequences for both the environment and human health. It disrupts ecosystems, threatens aquatic life, and spreads waterborne diseases. To tackle water pollution, it is crucial to implement stricter regulations, improve waste management practices, and promote responsible behaviors. By doing so, we can protect our water resources and ensure the well-being of both the environment and human populations.
有关污染的英语范文初中 篇三
Green water show in the future there is a mountain city, the mountain forests, lush; A stream of water on the bottom; Air pure and fresh and sweet. Industries where there is no smoke, no river floating in a plastic bag, without being cut down trees, only a piece of green.
In the future, humans and animals and plants live in peace, a shotgun into each bird, chainsaw into hits the thick, strong, tall and straight trees, the atomic bomb in the museum, and pulled down the factory chimney, spread a far-reaching blue sky... Then have no the word _cage_ in the world, it is full of human and animal for a walk, play games together. To do this, human also built a school to educate minors, animal, building on the twelve golden characters: the _people live in harmony, to build better homes!_
However, the future may also be another scene like: neat rows of factory was built on the hillside, its discharge smoke originally cbsi cbsi pollution became gray sky. The river became smelly, dark, light, cutting down the trees bare stumps, there are many, white plastic bags. Many years later, a sandstorm thoroughly changed all that, that day, dust storm flood came, the whole world of darkness covert, dust storms have been shaved nine days nine nights, all the cities, factories are all turned into desert, everything vanished.
Kid, the above two kinds of the future city which one do you want to let the world bee? If you want the first kind, is to protect the environment, e on!
在未来有一个山青水秀的城市，山上的森林郁郁葱葱;小溪的河水清澈见底;空气清新甜润。那里没有工厂排出的浓烟，没有河上漂浮的塑料袋，没有被砍伐的树木，只有一片的绿色。
在未来，人类与动植物和平相处，猎-枪变成了一只只的小鸟，电锯变成了一棵棵粗壮、结实、挺拔的大树，在博物馆展出，而工厂的烟囱被拆掉，铺成了湛蓝深远的天空……那时世界上已经没有了“笼子”这个词，处处可见人类和动物一起散步、做游戏的场景。为此，人类还建了一所学校来培养未成年人、动物，教学楼上闪着十二个金灿灿的大字：“大家和谐相处，共建美好家园!”
然而，未来也可能是另外一种景像：一排排的工厂整齐的被建在山坡上，它排出的浓烟把原本瓦蓝瓦蓝的天空污染成了灰色。河水变得臭了、黑了，树木被砍光了，裸露的树桩上有许多的、白色的塑料袋。许多年以后，一场沙尘暴彻底改变了这一切，那一天，沙尘暴铺天盖地地袭来，整个世界昏天暗地，沙尘暴一直刮了九天九夜，所有的城市、工厂全变成了沙漠，一切都消失了。
小朋友，以上两种未来城市你想让世界变成哪一种呢?如果想要第一种，就赶快保护环境，行动起来吧!
有关污染的英语范文初中 篇四
With the production of millions of new cars, the number of cars on the road is increasing every year. One in six Americans is engaged in manufacturing cars, driving trucks, repairing roads or filling gas. Americans can't live without a car.
Most Americans will find it hard to imagine life without a car. However, some people have realized that serious problems are caused by cars Air pollution problem polluted air becomes poisonous and harmful to health one way to eliminate polluted air is to make a car without pollution, but it is easier said than done to make a clean car; progress in this field is slow; another way is to replace automobile engine cars and electric vehicles with steam that inventors are now studying It takes years to develop a practical car model for us. In order to prevent the world from being polluted by cars, we must change our lives.
For example, Americans must reduce the total number of cars and encourage them to use bicycles. People think that it helps to keep the air clean, but this change has not come easily. If a car factory closes down, many workers may Unemployment, so the problem of air pollution is less important than unemployment.
Although cars make us live a better life, they also bring us new problems.
中文翻译：
汽车污染随着数百万辆新车的生产，每年上路的汽车数量都在增加，每六个人中就有一个从事制造汽车、驾驶卡车、修路或加油的工作人没有汽车是无法生活的大多数人会发现很难想象没有汽车的生活，然而有些人已经意识到了严重的问题汽车引起的空气污染问题被污染的空气变得有毒和对健康有害?消除污染空气的一种方法是制造一辆没有污染的汽车，但是制造一辆干净的汽车说起来容易做起来难；在这一领域进展缓慢；另一种方法是用发明家现在正在研究的蒸汽替代汽车发动机汽车和电动汽车许多制造商认为，为我们开发出一种实用的车型需要数年的时间；为了防止世界被汽车污染，我们必须改变我们的生活，例如，人必须减少汽车的总量，鼓励他们使用自行车，人们认为这有助于保持空气清洁，但这种变化来之不易，如果一家汽车厂倒闭，许多工人可能会失业，因此空气污染的问题就比失业问题不那么重要了尽管汽车使我们过上了更好的生活，但也给我们带来了新的问题。
标签： 新学期
有关污染的英语范文初中 篇五
随着居民生活水平的提高，住房室内装修已成为一种必须的生活时尚，但常常豪华装修的背后是令人触目惊心的室内污染。那么室内装修常见的污染物有哪些?对人有哪些潜在的危害?如何采取一些防控措施?以下做一些简单的介绍。
室内装修常见污染物及其危害
甲醛是一种无色易溶的刺激性气体。刨花板、密度板、胶合板等人造板材、胶粘剂和墙纸是空气中甲醛的主要来源，释放期长达3～。可经呼吸道吸收，甲醛对人体的危害具长期性、潜伏性、隐蔽性的特点。长期吸入甲醛可引发鼻咽癌、喉头癌等严重疾病。
苯是一种无色、具有特殊芳香气味的气体。胶水、油漆、涂料和黏合剂是空气中苯的主要来源。苯及苯系物被人体吸入后，可出现中枢神经系统医学专用作用;可抑制人体造血功能，使红血球、白血球、血小板减少，再生障碍性贫血患率增高;还可导致女性月经异常，胎儿的先天性缺陷等。
氡是一种无色、无味、无法察觉的惰性气体。水泥、砖沙、大理石、瓷砖等建筑材料是氡的主要来源，地质断裂带处也会有大量的氡析出。氡及其子体随空气进入人体，或附着于气管粘膜及肺部表面，或溶入体液进入细胞组织，形成体内辐射，诱发肺癌、白血病和呼吸道病变。世界卫生组织研究表明，氡是仅次于吸烟引起肺癌的第二大致癌物质。
氨是一种无色而有强烈刺激气味的气体。主要来源于混凝土防冻剂等外加剂、防火板中的阻燃剂等。对眼、喉、上呼吸道有强烈的刺激作用，可通过皮肤及呼吸道引起中毒，轻者引发充血、分泌物增多、肺水肿、支气管炎、皮炎，重者可发生喉头水肿、喉痉挛，也可引起呼吸困难、昏迷、休克等，高含量氨甚至可引起反射性呼吸停止。
TVOC挥发性有机化合物(VOC)在室内空气中作为异类污染物，由于它们单独的浓度低，但种类多，一般不予逐个分别表示，以TVOC表示其总量。TVOC包括甲醛、苯、对(间)(邻)二甲苯、苯乙烯、乙苯、乙酸丁酯、三氯乙烯、三氯甲烷、十一烷等。室内建筑和装饰材料是空气中TVOC的主要来源。研究表明，即使室内空气中单个VOC含量都低于其限含量，但多种VOC的混合存在及其相互作用，就使危害强度增大。TVOC表现出毒性、刺激性，能引起机体免疫水平失调，影响中枢神经系统功能，出现头晕、头痛、嗜睡、无力、胸闷等症状，还可能影响消化系统，出现食欲不振、恶心等，严重时可损伤肝脏和造血系统，甚至引起一种身体活动是会伴随你一生直到你的生命结束，那就是“呼吸”。
植物消除法(吊兰、芦荟)
吊兰、芦荟、虎尾兰能大量吸收室内甲醛等污染物质，消除并防止室内空气污染;
茉莉、丁香、金银花、牵牛花等花卉分泌出来的杀菌素能够杀死空气中的某些细菌，抑制结核、痢疾病原体和伤寒病菌的生长，使室内空气清洁卫生。
大多数植物白天进行光合作用，吸收二氧化碳，释放氧气;夜间进行呼吸作用，吸收氧气，释放二氧化碳。
而有些植物则相反，如仙人掌就是白天释放二氧化碳，夜间则吸收二氧化碳，释放氧气，这样晚上居室内放有仙人掌，就可补充氧气，利于睡眠。
二、吸附法(活性炭)物理治理
有关污染的英语范文初中 篇六
Now，our side of the car constant more up，the environment also increasingly worse! That the air around us there are many harmful substances. Therefore，we want to Sue around things start to do. For example，we can go to school by bike or walk，it can exercise. If you have time can use less elevator，many climb stairs. We can not only physical exercise，but also to protect our environment.
此刻，我们身边的汽车不断的多了起来，环境也越来越糟糕！以至于我们周围的空气有很多有害物质。所以，我们要苏身边的小事做起。比如，我们能够骑自行车上学或者步行，这样还能够锻炼身体.有时光的话能够少用电梯，多爬楼梯.我们不仅仅能锻炼身体，也能保护我们的环境。
