英语演讲 环境 温室效应
3分钟关于全球变暖的英语演讲稿5篇
3分钟关于全球变暖的英语演讲稿5篇3分钟关于全球变暖的英语演讲稿1In recent years do you think the weather suddenly turned hot had the cool autumn now almost until early October the hottest day in August has reached more than 40 degrees. These is different from normal vision we have ourselves toblame the curse.Today the term “global warming” has gradually penetrated into our life. The word sounds very academic even feel very far away from us so some people arenot. In fact the effects of global warming is beyond our imagination: global precipitation redistribution glaciers and permafrost melt rising sea levels andso on. Both harm the natural ecosystem balance more threatening human foodsupply and living environment.Now that you have aware of the dangers of global warming you should go to predict and improve it. Imagine if global warming is melting in the 21st century the global average temperature rising gradually so the next super storms thenext round of searing heat the next major natural disasters will happen? China? The United States? Japan? No one knows. The debate has ended. Scientists around the world agree points out that the earth’s average temperature has increased nearly 1 ℃. Due to all the early warning information human use of thousands of ships tens of thousands of the monitoring stations of the land and outer space satellite to monitor the earth together. Scientists will have the most advanced computer data input model to estimate the earth can face the future. Prediction results are worrying. Forty years later the Himalayan glaciers the water to the survival of millions of people are likely to disappear. The Greenland ice sheet could melt in 50 years. Currently half of the world’s biodiversity in the amazon rainforest but the rainforest is likely to turn into a piece of barren land bythe end of the century. Is likely to be the future of the world like in themovie “the day after tomorrow” tornado ice fracture the temperature fell sharply ice storms freezing rain earthquake flood tsunami volcanic eruption... This isnot a crazy fantasy if humans don’t stop destroying the environment it will become a reality!However in the warming is also good. Global warming on rice in heilongjiang province has played a large role.Just global warming to human future development is still the do more harm than good.In order to save the planet we should try to be: don’t open air conditioning use recycled paper environmental protection to leave the meat with nitrous oxide don’t use plastic bags R22 by bus; R22; Little drops of life. Actually it’s not difficult to environmental protection as long as you support environmental protection is the best gift you gave the planet.Thank you all!3分钟关于全球变暖的英语演讲稿2Many people believe that human activity is causing the earth’s temperature to rise. They say that this global warming will have dreadful consequences for our environment, such as drought and flooding.The earth’s temperature is rapidly changing. As a result there has been a lot of climate change such as heat waves, droughts and floods. Scientists believe that this is the result of human activity, which is polluting the Earth’s atmosphere. This could become a disaster if governments do not act to help prevent global warming. They can act in three ways; by supporting research, by making laws and by keeping the general public informed.Firstly, governments can support research. For example, they should encourage companies to develop vehicles that cause less pollution. They should also support alternative sources of electricity from wind and water rather than from oil and coal. As well, they should sponsor conferences to discuss the effects of greenhouse gas emissions and possible solutions to the problem.Secondly, they should make laws that limit the amount of greenhouse gases that companies can emit. Private companies should be rewarded for following these laws. They should also be punished for creating pollution.Finally, everybody is affected by global warming. Therefore, it isimportant that governments involve individuals in the problem solving process. For example they should encourage households to save as much energy as possible by using more efficient light bulbs or less hot water. They should also encourage the public to recycle, and this should be compulsory for everyone. Another way of saving energy is by public transport systems. Governments should spend money on public transport to make it as easy as possible for the public to save energy.In summary, it is clear that there are a lot of things that governments can do to prevent global warming. They should involve companies, support scientists and encourage individuals to protect the planet.3分钟关于全球变暖的英语演讲稿3global warming the gradual increase of the temperature of the earth’s lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution.The temperature of the atmosphere near the earth’s surface is warmed through a natural process called the greenhouse effect. Visible shortwave light comes from the sun to the earth passing unimpeded through a blanket of thermal or greenhouse gases composed largely of water vapor carbon dioxide methane nitrous oxide and ozone. Infrared radiation reflects off the planet’s surface toward space but does not easily pass through the thermal blanket. Some of it is trapped and reflected downward keeping the planet at an average temperature suitable to life about 60°F (16°C).Growth in industry agriculture and transportation since the Industrial Revolution has produced additional quantities of the natural greenhouse gases plus chlorofluorocarbons and other gases augmenting the thermal blanket. It is generally accepted that this increase in the quantity of greenhouse gases is trapping more heat and increasing global temperatures making a process that has been beneficial to life potentially disruptive and harmful. During the past century the atmospheric temperature has risen 1.1°F (0.6°C) and sea level has risen several inches. Some projected longer-term results of global warming include melting of polar ice with a resulting rise in sea level and coastal flooding; disruption of drinking water supplies dependent on snow melts; profound changes in agriculture due to climate change; extinction of species as ecological niches disappear; more frequent tropical storms; and an increased incidence of tropical diseases.Improved automobile mileage reforestation projects energy efficiency in construction and national support for mass transit are among relatively simpler adjustments that could significantly lower U.S. production of greenhouse gases. More aggressive adjustments include a gradual worldwide shift away from the use of fossil fuels the elimination of chlorofluorocarbons and the slowing of deforestation by restructuring the economies of developing nations. In 20__ theBush administration proposed several voluntary measures for slowing the increase in instead of reducing emissions of greenhouses gases.3分钟关于全球变暖的英语演讲稿4Global WarmingThere is little doubt that the planet is warming. Over the last century,the planets temperature has risen by around 1 degree fahrenheit (0.6 of a degree celsius). The warmest since the mid 1800’s was the 1990s. The hottest years recorded were 1997, 1998, 20xx, 20xx, 20xx.The United Nations panel on climate change projects that the global temperatures will rise 3-10 degrees fahrenheit by the century’s end - enough to have the polar caps all but melted. If the ice caps melt, a vast majority of our countries borders will be under water. Monuments and great buildings, as well as homes and lives will be under water, including New York City.So now we know what some of the causes are for global warming, how can weas individuals do our part to help save the planet?The answer is simpler than you may think. You don’t have to go miles away from home to protest, or spend masses of money. If you try to follow the few simple steps that I shall now give you, you will have started to help usall.Firstly, plant a tree. This could be easier than it sounds. Join or helpout a local wildlife group and ask to plant a tree. Trees, when fully grown,will help keep the planet cooler. On the same point, you could protest against the demolition of the rainforests. This is the same principle, we need the trees to cool our planet and yet they are chopping them down to create roads or homes.Something as simple as walking instead of taking the car will help reduce pollution. As well as stopping pollution, you are giving yourself exercise, something important for our bodies. So the next time you get into your car, or your motorbike, think - do I have to make this journey by vehicle or can I walk?When you are at home, and your getting a little cold. Put a jumper on anddo not adjust the heating. The extra heat produced by our homes also affects the planet. So try wearing an extra layer in winter.If possible, buy your fruit and vegetables from local suppliers. And try toavoid imported goods. The more foreign food that we import the more pollution from aeroplanes and boats it will create.Keeping to the speed limit can also help the environment. The more you speed the more petrol you are going to use, making the pollution higher. Also, SUV’s make about six times their own weight in CO2 each year. A small efficient diesel car covering the same distance not only uses much less fuel; it makes two thirds less.If possible use solar energy, after all it is free; all you need to buy is the equipment. You can get much of your hot water and heating from the sun and even generate electricity.Reduce, reuse and recycle. Only buy what you need; don’t stock the cupboards with things you may or may not use. Reuse whatever you can, like containers and paper, and recycle what you cannot reuse. It really is as simple as that.Finally turning off unused sources of power such as televisions and heaters will help the environment, as well as save you money.If everybody stuck to these rules, we would be doing a great thing by protecting the earth. So please take into consideration what I have said, andtry to do your part. After all, it will be our next generation that will feel the effects.3分钟关于全球变暖的英语演讲稿5The topic of global warming is attracting the attentions of countries all over the world. This global warming is on such a scale that it will wreak havoc on both poor and rich countries. It could even make large sections of the earth uninhabitable.What have caused global warming? The theory and evidence strongly suggest that human-related emissions of carbon into the atmosphere is causing, and will in the future cause, significant global warming.How we should fight global warming? We should be taking active steps now to curb emissions and we should be engaging in international co-operation to do so.A simple natural way to fight global warming is to have escalating Taxes on carbon emissions. There is a simple reason why this is the ideal remedy: carbon emissions into the atmosphere constitute a nuisance to everybody on the planet; so those who make this nuisance should pay for their actions. A furtherrecommendation is that there should be large-scale government support for research into new technology that will reduce carbon emissions.China is the rising economic star; and if it also wants to assert world leadership status, it is a good xxrtunity for China to show the world that it has a moral commitment and the will to fight global warming.。
3分钟关于全球变暖的英语演讲稿4篇
3分钟关于全球变暖的英语演讲稿4篇分钟关于全球变暖的英语演讲稿篇一global warming the gradual increase of the temperature of the earth#39;s lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution.The temperature of the atmosphere near the earth#39;s surface is warmed through a natural process called the greenhouse effect. Visible shortwave light comes from the sun to the earth passing unimpeded through a blanket of thermal or greenhouse gases composed largely of water vapor carbon dioxide methane nitrous oxide and ozone. Infrared radiation reflects off the planet#39;s surface toward space but does not easily pass through the thermal blanket. Some of it is trapped and reflected downward keeping the planet at an average temperature suitable to life about 60°F (16°C)。
Growth in industry agriculture and transportation since the Industrial Revolution has produced additional quantities of the natural greenhouse gases plus chlorofluorocarbons and other gases augmenting the thermal blanket. It is generally accepted that this increase in the quantity of greenhouse gases is trapping more heat and increasing global temperatures making a process that has been beneficial to life potentially disruptive and harmful. During the past century the atmospheric temperature has risen 1.1°F (0.6°C) and sea level has risen several inches. Some projected longer-term results of global warming include melting of polar ice with a resulting rise in sea level and coastal flooding; disruption of drinking water supplies dependent on snow melts; profound changes in agriculture due to climate change; extinction of species as ecological niches disappear; more frequent tropical storms; and an increased incidence of tropical diseases.Improved automobile mileage reforestation projects energy efficiency in construction and national support for mass transit are among relatively simpler adjustments that could significantly lower U.S. production of greenhouse gases. More aggressive adjustments include a gradual worldwide shift away from the use of fossil fuels the elimination of chlorofluorocarbons and the slowing of deforestation by restructuring the economies of developing nations. In 20__the Bush administration proposed several voluntary measures for slowing the increase in instead of reducing emissions of greenhouses gases.分钟关于全球变暖的英语演讲稿篇二In recent years do you think the weather suddenly turned hot had the cool autumn now almost until early October the hottest day in August has reached more than 40 degrees. These is different from normal vision we have ourselves to blame the curse.Today the term global warming has gradually penetrated into our life. The word sounds very academic even feel very far away from us so some people are not. In fact the effects of global warming is beyond our imagination: global precipitation redistribution glaciers and permafrost melt rising sea levels and so on. Both harm the natural ecosystem balance more threatening human food supply and living environment.Now that you have aware of the dangers of global warming you should go to predict and improve it. Imagine if global warming is melting in the 21st century the global average temperature rising gradually so the next super storms the next round of searing heat the next major natural disasters will happen? China? The United States? Japan? No one knows. The debate has ended. Scientists around the world agree points out that the earth#39;s average temperature has increased nearly 1 ℃。
温室效应满分英语作文
温室效应满分英语作文Here's a sample of an English essay on the greenhouse effect, written in an informal and conversational tone, with each paragraph maintaining its own distinct language characteristics:Oh, you know, the greenhouse effect is like that big blanket that's getting thicker and thicker around our planet. It's not a cozy blanket, though. It's making the Earth hotter and hotter.You know what's weird? We're actually the ones adding more layers to this blanket. All those cars, factories, and even our homes are pumping out gases that trap heat in the atmosphere. It's like we're cooking our own planet.I mean, look at the polar bears. Their homes are melting away because of this crazy warming. And the coral reefs? They're bleaching because the water is getting too hot. It's like nature is screaming, "Hey, guys, what'sgoing on?"But here's the good news: we can do something about it. We can start by using less fossil fuels and more renewable energy sources. You know, like solar panels on our roofs or electric cars. Every little bit helps.Plus, we can all make a difference in our daily lives. Turn off the lights when you leave a room, use reusable shopping bags, and plant a tree or two. It's the small steps that.。
温室效应演讲稿3分钟英文
温室效应演讲稿3分钟英文The greenhouse effect is a phenomenon that has been a topic of great concern in recent years. It refers to the process by which the Earth's atmosphere traps heat from the sun, leading to an increase in the planet's overall temperature. This is primarily caused by the release of greenhouse gases such as carbon dioxide, methane, and nitrous oxide into the atmosphere, mainly as a result of human activities such as burning fossil fuels, deforestation, and industrial processes.The consequences of the greenhouse effect are far-reaching and have the potential to significantly impact our planet and all living organisms. One of the most immediate and visible effects is the rise in global temperatures, leading to changes in weather patterns, melting of polar ice caps, and rising sea levels. This can result in more frequent and severe natural disasters such as hurricanes, droughts, and floods, posing a threat to human lives and livelihoods.Furthermore, the greenhouse effect can also have detrimental effects on ecosystems and biodiversity. Changes in temperature and precipitation patterns can disrupt the natural habitats of many species, leading to a decline in their populations and even extinction. This can have cascading effects on entire food chains and ecosystems, ultimately affecting the balance of nature and the services it provides to human society.In addition to environmental impacts, the greenhouse effect also has significant social and economic implications. For example, changes in weather patterns can affect agricultural productivity, leading to food shortages and increased food prices. This can disproportionately affect vulnerable populations in developing countries who rely on agriculture for their livelihoods. Furthermore, the increasing frequency and severity of natural disasters can result in significant economic losses, as well as displacement and migration of affected populations.Addressing the greenhouse effect requires a multi-faceted approach that involves both individual and collective actions. At the individual level, we can reduce our carbon footprint by adopting sustainable practices such as using energy-efficient appliances,reducing waste, and choosing renewable energy sources. Additionally, advocating for policies that promote clean energy, sustainable land use, and emissions reductions at the local, national, and international levels is crucial for mitigating the greenhouse effect.Education and awareness-raising about the greenhouse effect and its impacts are also essential for fostering a sense of collective responsibility and inspiring action. By engaging in public discourse, supporting scientific research, and promoting environmental stewardship, we can work towards a more sustainable and resilient future for our planet.In conclusion, the greenhouse effect is a pressing issue that requires urgent attention and action. By understanding its causes and consequences, and by taking meaningful steps to reduce our impact on the environment, we can work towards mitigating its effects and creating a more sustainable future for generations to come. Thank you.。
温室效应保护环境英语作文
温室效应保护环境英语作文English:The greenhouse effect is a vital process that helps to maintain the Earth's temperature and support life. However, human activities, such as the burning of fossil fuels and deforestation, have greatly intensified this natural process, leading to an alarming increase in global temperatures and climate change. In order to protect the environment from the adverse effects of the greenhouse effect, it is crucial for individuals, communities, and governments to take action to reduce greenhouse gas emissions. This can be achieved through the implementation of sustainable practices, such as using renewable energy sources, improving energy efficiency, and promoting afforestation to absorb carbon dioxide. Additionally, raising awareness about the impact of the greenhouse effect and advocating for policy changes at both local and global levels are also essential in mitigating its adverse effects and protecting the environment for future generations.Translated content:温室效应是维持地球温度和支持生命的重要过程。
温室效应 英语作文
温室效应英语作文英文回答：The greenhouse effect is a phenomenon that warms the planet's surface by trapping heat in the atmosphere. It occurs when certain gases, known as greenhouse gases (GHGs), allow sunlight to pass through but absorb and emit some of the infrared radiation emitted from Earth's surface. This leads to a gradual increase in the temperature of the atmosphere and the planet as a whole.The primary greenhouse gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and fluorinated gases (F-gases). These gases are released into the atmosphere through both natural processes and human activities. For instance, CO2 is released when fossil fuels are burned for energy, while CH4 is emitted from sources such as landfills and livestock.The greenhouse effect is a natural phenomenon that hasexisted for billions of years. It is responsible for maintaining the Earth's surface temperature at a habitable level. However, human activities have significantly increased the concentration of greenhouse gases in the atmosphere since the pre-industrial era. This has led to an enhanced greenhouse effect, resulting in global warming and climate change.The impacts of climate change are already being felt around the world. These include rising sea levels, more frequent and intense heat waves, droughts, floods, and wildfires. Climate change also poses risks to human health, such as heat-related illnesses, respiratory problems, and the spread of infectious diseases.To mitigate climate change and reduce the risks associated with it, it is essential to reduce greenhouse gas emissions. This can be achieved through a combination of measures, including transitioning to renewable energy sources, improving energy efficiency, reducing deforestation, and implementing sustainable land-use practices.中文回答：温室效应。
温室效应保护环境英语作文
温室效应保护环境英语作文The Greenhouse Effect and Our Responsibility to Protect the Environment.The greenhouse effect, a natural process that maintains the temperature of the Earth's atmosphere, has become a global concern due to human-induced emissions of greenhouse gases. These gases, primarily carbon dioxide, methane, and nitrogen oxides, trap heat in the atmosphere, leading to global warming and a range of associated environmental problems. It is crucial for us to understand the implications of the greenhouse effect and take action to mitigate its negative impacts on our planet.The greenhouse effect occurs when solar radiation reaches the Earth's surface, warming it. The warmed surface then emits infrared radiation, which is absorbed by greenhouse gases in the atmosphere. These gases then re-emit the radiation back towards the Earth, effectively trapping heat and keeping the planet warm. However, whenhuman activities increase the concentration of these gasesin the atmosphere, the greenhouse effect becomes exacerbated, leading to global warming.The impacts of global warming are already being felt across the globe. Rising temperatures have led to meltingice caps, sea level rise, and extreme weather events suchas floods, droughts, and hurricanes. These changes have had profound effects on ecosystems, human health, and the economy. For example, coral reefs are being destroyed by ocean acidification caused by increased carbon dioxide levels, and agricultural yields are being negatively impacted by changing climate patterns.In order to mitigate the negative impacts of the greenhouse effect, it is essential for us to take action. Firstly, we must reduce our emissions of greenhouse gases. This can be achieved through the adoption of renewable energy sources such as solar, wind, and hydroelectric power, as well as energy-efficient technologies and practices. Additionally, we must promote sustainable transportation systems that encourage walking, cycling, and publictransportation over private vehicles.Secondly, we must work to protect and restore our natural carbon sinks, such as forests and wetlands. These ecosystems play a crucial role in absorbing carbon dioxide from the atmosphere and storing it in biomass or soil. By protecting and enhancing these carbon sinks, we can help to offset our emissions and mitigate the greenhouse effect.Thirdly, we must promote awareness and education about the greenhouse effect and global warming. It is crucial for us to understand the science behind these issues and the implications for our planet. By educating ourselves and others, we can work towards creating a more environmentally conscious society that is committed to protecting our planet.In conclusion, the greenhouse effect is a complex issue that requires a multifaceted approach to address. We must take action to reduce our emissions, protect and restore our natural carbon sinks, and promote awareness and education about global warming. By doing so, we can help tomitigate the negative impacts of the greenhouse effect and protect the environment for future generations. It is our responsibility to ensure that our actions align with the needs of our planet and to create a more sustainable future for all.。
温室效应英语演讲稿
温室效应英语演讲稿温室效应英语演讲稿There is little doubt that the pla is warming. Over the last century, the plas temperature has risen by around 1 degree fahrenheit (0.6 of a degree celsius). The warmest since the mid 1800s was the 1990s. The hottest years recorded were 1997, 1998, 2023, 2023, 2023.So now we know what some of the causes are for global warming, how can we as individuals do our part to help save the pla?Firstly, plant a tree. This could be easier thanit sounds. Join or help out a local wildlife group and ask to plant a tree. Trees, when fully grown, will help keep the pla cooler. On the same point, you could protest against the demolition of the rainforests. This is the same principle, we need the trees to cool our pla and yet they are chopping them down to create roads or homes.Something as si-mp-le as walking instead of taking the car will help reduce pollution. As well as stopping pollution, you are giving yourself exercise, something important for our bodies. So the next time you get into your car, or your motorbike, think - do I have to make this journey by vehicle or can I walk?When you are at home, and your getting a little cold. Put a jumper on and do not adjust the heating. The extra heat produced by our homes also affects the pla. So try wearing an extra layer in winter.If possible, buy your fruit and vegetables from local suppliers. And try to avoid imported goods. The more foreign food that we import the more pollution from aeroplanes and boats it will create.Keeping to the speed limit can also help theenviro____ent. The more you speed the more petrol you are going to use, ma-ki-ng the pollution higher. Also, SUVs make about six times their own weight in CO2 each year. A small efficient diesel car covering the same distance not only uses much less fuel; it makes two thirds less.If possible use solar energy, after all it is free; all you need to buy is the equipment. You can get much of your hot water and heating from the sun and even generate electricity.Reduce, reuse and recycle. Only buy what you need; dont stock the cupboards with things you may or maynot use. Reuse whatever you can, like containers andpa-pe-r, and recycle what you cannot reuse. It really is as si-mp-le as that.Finally turning off unused sources of power suchas televisions and heaters will help the enviro____ent, as well as save you money.If everybody stuck to these rules, we would be doing a great thing by protecting the earth. So please take into consideration what I have said, and try todo your part. After all, it will be our nextgeneration that will feel the effects.温室效应英语演讲稿 [篇2]according to the national academy of sciences, the earth's surf-ace temperature has risen by about 1 degree fahrenheit in the past century, withaccelerated warming during the past two decades. there is new and stronger evidence that most of the warming over the last 50 years is attributable to human #url# human activities have altered the chemicalposition of the atmosphere through the buildup of greenhouse gases – primarily carbon dioxide, methane, and nitrous oxide. the heat-trapping property of these gases is undisputed although uncertainties exist about exactly how earth’s climate responds to them.energy from the sun drives the earth's weather and climate, and heats the earth's surf-ace; in turn, the earth radiates energy back into space. atmospheric greenhouse gases, such as water vapor, carbon dioxide, trap some of the outgoing energy, retaining heat somewhat like the glass panels of a greenhouse.without this natural "greenhouse effect," temperatures would be much lower than they are now,and life as known today would not be possible. instead, thanks to greenhouse gases, the earth's average temperature is a more hospitable 60°#url#however, problems may arise when the atmospheric concentration of greenhouse gases increases. once, all climate changes occurred naturally. however, during the industrial revolution, we began altering our climate and enviro____ent through changingagricultural and industrial practices.before the industrial revolution, human activity released very few gases into the atmosphere, but now through population growth, fossil fuel burning, and deforestation, we are affecting the mixture of gases in the atmosphere.carbon dioxide is released to the atmosphere when solid waste, fossil fuel and wood products are burned. methane is emitted during the production and transport of coal, natural gas, and oil. methane emissions also result from the deposition of organic wastes in municipal solid waste landfills, and the raising of livestock. nitrous oxide is emitted duringagricultural and industrial activities, as well as during bustion of solid waste and fossil fuels.rising global temperatures are expected to raise sea level, and change precipitation and other local climate conditions. changing regional climate could alter forests, crop yields, and water supplies. it could also affect human health, animals, and many types of ecosystems and deserts may expand into existing rangelands. unless we act now, our children will inherit a hotter world, dirtier air and water, more severe floods and droughts, and more wildfires.but solutions are in sight. we know where most heat-trapping gases e from: power plants and vehicles. and we know how to curb their emissions: modern technologies and stronger laws. by shifting the perception of global warming from abstract threat to pressing reality, and promoting online activism. by pressing businesses to use less energy and build more efficient products. and by fighting for laws that will speed these advances.。
气候变暖的英文演讲稿（精选8篇）
气候变暖的英文演讲稿气候变暖的英文演讲稿（精选8篇）气候变暖的英文演讲稿篇1People around the world may feel that the climate has been getting steadily warmer and warmer in recent years. Places which used to be abundant in snowfall have frequently experienced snowfree(无雪的) winters. Drought lasts longer in some dry areas. People find that without air conditioners they could hardly work or fall asleep on hotter summer daysg.The side effects of global warming are alarminS. A warmer global climate melts the ice caps, raising sea levels. What is more, it disturbs weather patterns, causing droughts, severe storms, hurricanes (飓风). People suffer a lot from disasters relevant to global warming.To stop global warming we should make immediate and continual efforts. We hope the situation will soon change. Global warming catches and holds our concern, for it affects us and will affect our later generations. We cannot wait any longer. Do it right now.气候变暖的英文演讲稿篇2After investigation, we found that caused the main reason for the increase of greenhouse gases is human activity. Carbon dioxide, for example, before the human society to realize industrialization in the early 19th century, the concentration of carbon dioxide in the atmosphere to 270 parts per million, and in 1988 to rise to 350 PPM. Atmospheric co2 concentration increased there are two main reasons: first, the dramatic increase in population and the development of industrialization, human society, consumption of fossil fuels has increased dramatically,combustion produces a large amount of carbon dioxide into the atmosphere, increase the concentration of carbon dioxide in the atmosphere: second forest reduces the amount of carbon dioxide absorbed by plants use, a speed reduction in carbon dioxide is consumed, also leading to higher concentration of carbon dioxide in the atmosphere. Greenhouse gases than carbon dioxide, such as methane, CFCS (freon), nitrogen oxide and so on also need to increase a different level.Although there are many uncertainties, it is clear that global warming on climate, rainfall, and the influence of sea level and the resulting impact on human settlements and the ecosystem is extremely complex, must be given the attention they deserve. Think this kind of influence is irrelevant in the long run view is irresponsible.The main cause of global warming, the atmosphere is destroyed, serious pollution and greenhouse effect caused by global warming could affect global warming will bring to the earth and human complex potential impact, both positive and there are also negative. Such as temperature height, deputy polar regions may be more suitable for human habitation, under appropriate conditions, higher co2 concentration can promote the photosynthesis, which plants have a higher rate of carbon sequestration, lead to the increase of plant growth, namely the stimulation effect of carbon dioxide, which is the positive impact of global warming. But compared with the positive impact, the negative impact of global warming on human activity will be more vast and far-reaching.气候变暖的英文演讲稿篇3There is little doubt that the planet is warming. Over the last century, the planets temperature has risen by around 1 degreefahrenheit (0.6 of a degree celsius). The warmest since the mid 1800's was the 1990s. The hottest years recorded were 1997, 1998, 20xx, 20xx, 20xx.The United Nations panel on climate change projects that the global temperatures will rise 3-10 degrees fahrenheit by the century's end - enough to have the polar caps all but melted. If the ice caps melt, a vast majority of our countries borders will be under water. Monuments and great buildings, as well as homes and lives will be under water, including New York City.So now we know what some of the causes are for global warming, how can we as individuals do our part to help save the planet?The answer is simpler than you may think. You don't have to go miles away from home to protest, or spend masses of money. If you try to follow the few simple steps that I shall now give you, you will have started to help us all.Firstly, plant a tree. This could be easier than it sounds. Join or help out a local wildlife group and ask to plant a tree. Trees, when fully grown, will help keep the planet cooler. On the same point, you could protest against the demolition of the rainforests. This is the same principle, we need the trees to cool our planet and yet they are chopping them down to create roads or homes.Something as simple as walking instead of taking the car will help reduce pollution. As well as stopping pollution, you are giving yourself exercise, something important for our bodies. So the next time you get into your car, or your motorbike, think - do I have to make this journey by vehicle or can I walk?When you are at home, and your getting a little cold. Put a jumper on and do not adjust the heating. The extra heat produced by our homes also affects the planet. So try wearing anextra layer in winter.If possible, buy your fruit and vegetables from local suppliers. And try to avoid imported goods. The more foreign food that we import the more pollution from aeroplanes and boats it will create.Keeping to the speed limit can also help the environment. The more you speed the more petrol you are going to use, making the pollution higher. Also, SUV's make about six times their own weight in CO2 each year. A small efficient diesel car covering the same distance not only uses much less fuel; it makes two thirds less.If possible use solar energy, after all it is free; all you need to buy is the equipment. You can get much of your hot water and heating from the sun and even generate electricity.Reduce, reuse and recycle. Only buy what you need; don't stock the cupboards with things you may or may not use. Reuse whatever you can, like containers and paper, and recycle what you cannot reuse. It really is as simple as that.Finally turning off unused sources of power such as televisions and heaters will help the environment, as well as save you money.If everybody stuck to these rules, we would be doing a great thing by protecting the earth. So please take into consideration what I have said, and try to do your part. After all, it will be our next generation that will feel the effects.气候变暖的英文演讲稿篇4With the development of economy, more and more greenhouse gases are being discharged into the air. CO2 makes up about 70% of the greenhouse gases, which is considered to be one of the greatest causes of global warming. It has harmfuleffects, causing the sea level to rise and many natural disasters to strike.So we must take effective measures to save our planet. First, we should use more clean energy and less coal and oil. Second, we should go to work on foot or by bus instead of driving a car if possible. Third, we should plant more trees, because plants can turn CO2 into oxygen. More importantly, we should form the habit of saving energy in our daily life.气候变暖的英文演讲稿篇5Many people believe that human activity is causing the earth's temperature to rise. They say that this global warming will have dreadful consequences for our environment, such as drought and flooding.What should governments do to help prevent global warming? Give reasons for your suggestions.The earth's temperature is rapidly changing. As a result there has been a lot of climate change such as heat waves, droughts and floods. Scientists believe that this is the result of human activity, which is polluting the Earth's atmosphere. This could become a disaster if governments do not act to help prevent global warming. They can act in three ways; by supporting research, by making laws and by keeping the general public informed.Firstly, governments can support research. For example, they should encourage companies to develop vehicles that cause less pollution. They should also support alternative sources of electricity from wind and water rather than from oil and coal. As well, they should sponsor conferences to discuss the effects of greenhouse gas emissions and possible solutions to the problem.Secondly, they should make laws that limit the amount ofgreenhouse gases that companies can emit. Private companies should be rewarded for following these laws. They should also be punished for creating pollution.Finally, everybody is affected by global warming. Therefore, it is important that governments involve individuals in the problem solving process. For example they should encourage households to save as much energy as possible by using more efficient light bulbs or less hot water. They should also encourage the public to recycle, and this should be compulsory for everyone. Another way of saving energy is by public transport systems. Governments should spend money on public transport to make it as easy as possible for the public to save energy.In summary, it is clear that there are a lot of things that governments can do to prevent global warming. They should involve companies, support scientists and encourage individuals to protect the planet.气候变暖的英文演讲稿篇6Earth's temperature begins with the Sun. Roughly 30 percent of incoming sunlight is reflected back into space by bright surfaces like clouds and ice. Of the remaining 70 percent, most is absorbed by the land and ocean, and the rest is absorbed by the atmosphere. The absorbed solar energy heats our planet.As the rocks, the air, and the seas warm, they radiate “heat” energy (thermal infrared radiation). From the surface, this energy travels into the atmosphere where much of it is absorbed by water vapor and long-lived greenhouse gases such as carbon dioxide and methane.When they absorb the energy radiating from Earth's surface, microscopic water or greenhouse gas molecules turn into tiny heaters- like the bricks in a fireplace, they radiate heat even afterthe fire goes out. They radiate in all directions. The energy that radiates back toward Earth heats both the lower atmosphere and the surface, enhancing the heating they get from direct sunlight.This absorption and radiation of heat by the atmosphere-the natural greenhouse effect-is beneficial for life on Earth. If there were no greenhouse effect, the Earth's average surface temperature would be a very chilly -18°C (0°F) instead of the comfortable 15°C (59°F) that it is today.气候变暖的英文演讲稿篇7I often see on television, network is now the holes of the earth has been destroyed by human, if we are in different heart to protect it, the destruction of the earth will be completely in the near future. Faster and faster, with the development of human science and technology science and the negative effect gradually manifested, then let me give you a few examples to illustrate why experts predicted that the earth will be gone after so many years.First of all, global warming is one example, soak in the hot weather in summer air conditioning becomes a new "hobby", but what do people ever thought of air conditioning can bring negative effect? Gas air conditioning to contain large amounts of methane, to the outside is the leading cause of global warming gases, methane and air conditioning will waste a lot of electricity, so try to avoid using the air conditioning or appropriate use.Another reason is that carbon dioxide, automobile exhaust and factory waste gas containing a large amount of carbon dioxide, and carbon dioxide are most likely to lead to global warming. Cars now, too much exhaust serious affect our nong cough, throat inflammation... . According to concerning sectional statistic China's per capita emissions of carbon dioxide emissions every year 2. 51 tons a year! The changes in the harshenvironment around us.More important reason is that: reduce forest, farmland, water damage and serious water pollution, fresh water supply is a problem, many parts of the draft has become a big problem. Now countries are massive effort, demanding, and costs "of the south-north water diversion project".In order to save the planet, people all over the world should be: don't open air conditioning, use recycled environmental protection bags, don't use plastic bags, take the bus, don't throw waste batteries... Such as the dribs and drabs in life. In fact, environmental protection is not difficult, as long as you support is the best gift you give earth environmental protection, take action, this is a powerful force!气候变暖的英文演讲稿篇8No one,regardless of race, religion or nationality, can deny that the world we live in is becoming increasingly intolerable because of the effects of global warming. According to many experts, even greater impacts are still on the way.There are numerous causes for this problem. On one hand, human-related emissions of carbon into the atmosphere is causing, and will in the future cause, significant global warming according to the theory. On the other hand, the lack of knowledge about the importance of protecting environment hinders the solving of the It is urgent that immediate and effective actions should be taken right away. First, more trees need to be planted to help improve and beautify the environment. Besides, stricter laws concerning global warming and irresponsible use of fuel resources have to be put into effect and achieved good results. In a word, there is a long way to go before we can take a comfortable world for granted again .。
温室效应满分英语作文
温室效应满分英语作文The greenhouse effect, a term that once belonged to the realm of scientific journals and environmental documentaries, has now become a household phrase. Its implications, however, are far from simple. Like a tapestry woven with threads of intricate cause and effect, the greenhouse effect presents a complex narrative of human activity, planetary response, and an uncertain future. At its core, the greenhouse effect is a natural phenomenon. Gases in the Earth's atmosphere, such as carbon dioxide and methane, act like a blanket, trapping some of the sun's heat and preventing it from escaping back into space. This process is essential forlife as we know it, maintaining the planet's temperature within a range that supports diverse ecosystems and human civilization. However, the delicate balance of this natural process has been disrupted by human activities, primarily the burning of fossil fuels, deforestation, and industrial processes. These activities release excessive amounts of greenhouse gases, thickening the atmospheric'blanket' and trapping more heat than necessary. The consequences of this enhanced greenhouse effect are far-reaching and multifaceted. The most evident impact is the rise in global temperatures, leading to a cascade of effects on the environment. Melting glaciers and polar ice caps contribute to rising sea levels, threatening coastal communities and ecosystems. Changing weather patterns bring about more frequent and intense extreme weather events, such as hurricanes, droughts, and floods, causing widespread destruction and displacement. Ocean acidification, a consequence of increased carbon dioxide absorption, disrupts marine ecosystems, impacting fisheries and the delicate balance of marine life. The impacts of the greenhouse effect extend beyond the environment, permeating social, economic, and political spheres. Food security is threatened as agricultural yields decline due to changing climatic conditions and extreme weather events. Water scarcity becomes a pressing issue in regions experiencing prolonged droughts, leading to conflicts and migration. The economic burden of climate change is immense, with costs associated with disaster relief, infrastructure damage, and adaptation measures. Despite the grim reality of the greenhouse effect and its consequences, a sense of hope and agency persists. The global community has recognized the urgency of the situation, as evidenced byinternational agreements like the Paris Agreement, which aims to limit global warming to well below 2 degrees Celsius. Technological advancements offersolutions in the form of renewable energy sources, carbon capture and storage technologies, and sustainable agricultural practices. A growing awareness among individuals and communities fosters a shift towards more sustainable lifestyles, reducing carbon footprints and promoting environmental consciousness. The story of the greenhouse effect is a cautionary tale, a reminder of the interconnectedness of human actions and planetary systems. It is a call to action, urging us to acknowledge our role in the crisis and to collectively work towards solutions. It is also a story of resilience and innovation, showcasing the human capacity to adapt, overcome, and build a more sustainable future. The choices we make today will determine the course of this narrative, shaping the legacy we leave for generations to come.。
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The Greenhouse Effect
全球气候变暖，是到目前为止对地球和人类生存最为紧迫也最为严重的威胁因素之一。
Global warming is one of the most urgent and the most serious factors now threaten Earth and human's survival
最近，全世界冰川融化速度创下历史最快纪录，从安第斯山脉到北极，冰川消融速度加快。
全球气候变暖将直接导致南、北极以及其它冰川融化，同时一些雪山也将随着气温的不断升高而消失。
而融化后的冰川，将使海平面快速上升，世界很多美丽的城市终将被海水所淹没。
Recently, The speed of melting glaciers set the record for the fastest, from the Andes to the Arctic glaciers melting faster.Global warming will lead directly to melting of the Antarctic, the Arctic and other glaciers,Meanwhile,some snow-capped mountains will disappear with temperatures rise. The glaciers melted will enable the sea level to rise rapidly, many beautiful cities in the world will eventually be submerged.
100年后南极只曾留下回忆
100 years later, the Antarctic had left only memories
气温升高，全球变暖，极地冰川融化，企鹅失去家园！
Higher temperatures makes global warming and Melting of polar ice, so the penguins lose their homes!
30年后的夏季，北极可能是一片汪洋
Summer after 30 years, the Arctic may be an ocean.
乞力马扎罗山的“雪帽”将在15年内被摘掉
Kilimanjaro "snow cap" will be taken off in 15 years.
乞力马扎罗山是非洲最高的山脉，它距离赤道仅仅300多公里，顶部却终年满布冰雪。
但是，全球变暖导致这座山的终年积雪不断消融，专家预言，“雪帽”将在15年内被摘掉。
Kilimanjaro is the highest mountain in Africa, it is just over 300 km from the equator, but the top covered with snow all year round. However, Global warming leads to the mountain snow continue to melt, experts predict, "snow cap" will be taken off in 15 years.
什么造成了温室效应?
What causes the greenhouse effect?
我认为主要有两个原因：人类排放二氧化碳和砍伐树木
I think there are two main reasons: human emissions of carbon dioxide and cuts down trees.
人类每秒钟释放的二氧化碳已经超过700吨，一年就是230亿吨Carbon dioxide released by humans every second has more than 700 tons ,a year is 23 billion tons.
亚马孙河流域的农民正在焚烧热带雨林，以开垦更多耕地。
每分钟，全世界清除掉的热带森林的面积，相当于200个足球场的大小。
依照
现在的这种破坏速度，亚马孙雨林将在400年以内完全消失。
Amazonian farmers are burning rainforest to reclaim more land. Every minute, The world's tropical forests cleared an area equivalent to the size of 200 football fields . According to the current rate of this destruction , The Amazon rainforest will completely disappear within 400 years.
我们依靠在地球上的一切，我们需要生存，所以让我们照顾它。
We rely on the Earth for everything, we need to survive, so let’s take care of it.。