Global warmingmitigationandrenewableenergypolicydevelopmentfrom
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2023年GRE英语真题及答案一、阅读理解阅读理解一题目:The importance of biodiversity答案:Biodiversity is crucial for maintaining ecosystem stability and providing various ecosystem services. It helps regulate climate, support pollination, and purify water.题目:Causes of biodiversity loss答案:Biodiversity loss is primarily caused by habitat destruction, pollution, overexploitation of resources, and climate change.题目:Conservation strategies答案:To mitigate biodiversity loss, conservation strategies include protecting natural habitats, implementing sustainable resource management practices, and reducing pollution.阅读理解二题目:Impacts of global warming答案:Global warming contributes to rising sea levels, more frequent extreme weather events, loss of biodiversity, and negative effects on human health.题目:Causes of global warming答案:Human activities, such as burning fossil fuels, deforestation, and industrial processes, are the main causes of global warming.题目:Mitigation measures答案:To mitigate global warming, measures include transitioning to renewable energy sources, promoting energy efficiency, and implementing policies to reduce greenhouse gas emissions.二、文字推理文字推理一题目:Logical argument答案:A logical argument is a series of statements or facts that lead to a valid conclusion.题目:Elements of a logical argument答案:The elements of a logical argument include premises (supporting statements), evidence (facts or data), and a conclusion (the final statement based on the premises and evidence).文字推理二题目:Cause and effect答案:Cause and effect is a relationship in which one event (the cause) brings about another event (the effect).题目:Identifying cause and effect答案:To identify cause and effect, one must analyze the sequence of events and determine the relationship between them.题目:Example of cause and effect答案:An example of cause and effect is smoking causing lung cancer.三、逻辑推理逻辑推理一题目:Deductive reasoning答案:Deductive reasoning is a logical process in which specific conclusions are drawn from general principles or premises.题目:Syllogism答案:A syllogism is a deductive argument consisting of two premises and a conclusion.逻辑推理二题目:Inductive reasoning答案:Inductive reasoning is a logical process in which general conclusions are drawn from specific observations or evidence.题目:Analogical reasoning答案:Analogical reasoning is a type of inductive reasoning that involves drawing conclusions based on similarities between two or more cases.四、写作写作一题目:The benefits of reading答案:Reading provides numerous benefits, such as expanding knowledge, improving cognitive abilities, enhancing vocabulary, and fostering empathy.题目:Ways to promote reading写作二题目:The impact of social media题目:Concerns about social media答案:Some concerns about social media include privacy issues, cyberbullying, and the influence of fake news.题目:Managing social media use答案:To manage social media use, individuals can set boundaries, critically evaluate information, and engage in responsible online behavior.。
关于能源危机的英语作文高二The world is facing a pressing issue that affects us all - the energy crisis. As we rely heavily on fossil fuels to power our daily lives, the depletion of these non-renewable resources and the environmental impact of their usage have become a growing concern. This crisis has far-reaching implications, from economic stability to the well-being of our planet, and it is crucial that we address it with a sense of urgency and collective responsibility.At the heart of the energy crisis lies the over-dependence on fossil fuels, such as oil, natural gas, and coal. These resources, while abundant in the past, are finite and their extraction and consumption have taken a significant toll on the environment. The burning of fossil fuels releases large amounts of greenhouse gases, primarily carbon dioxide, which contribute to global warming and climate change. The consequences of these environmental changes are already being felt around the world, with more frequent and severe natural disasters, rising sea levels, and the disruption of ecosystems.Moreover, the geopolitical tensions surrounding the control andaccess to these energy resources have led to conflicts and instability in various regions. The competition for limited resources has fueled tensions and, in some cases, even sparked wars, further exacerbating the energy crisis and its impact on the global community.The energy crisis also has profound economic implications. The fluctuations in oil and gas prices, often driven by political and market factors, can have a destabilizing effect on national economies, leading to inflation, job losses, and reduced investment in other sectors. This economic uncertainty can also hinder the development of sustainable energy solutions, as the short-term focus on maintaining affordable energy sources can overshadow the long-term benefits of transitioning to renewable alternatives.In the face of this multifaceted challenge, it is clear that a comprehensive and collaborative approach is necessary to address the energy crisis effectively. Governments, industries, and individuals must work together to develop and implement sustainable solutions that reduce our reliance on fossil fuels and promote the use of renewable energy sources.One of the key strategies is to invest in the research and development of renewable energy technologies, such as solar, wind, hydroelectric, and geothermal power. These clean energy sources have the potential to meet our growing energy demands whilesignificantly reducing our carbon footprint. Governments can provide incentives and policy frameworks to encourage the adoption of renewable energy, while businesses and individuals can play their part by transitioning to these sustainable alternatives.Another crucial step is to improve energy efficiency across all sectors of the economy. This can be achieved through the implementation of energy-efficient technologies, the development of smart grids, and the promotion of energy-saving practices in homes, businesses, and transportation. By reducing our overall energy consumption, we can alleviate the strain on our energy resources and contribute to the mitigation of the energy crisis.Furthermore, the development of innovative energy storage solutions is crucial to the successful integration of renewable energy sources into the grid. Advancements in battery technology, as well as the exploration of alternative energy storage methods, can help address the intermittent nature of renewable energy sources and ensure a more reliable and stable energy supply.Educating and empowering the public is also essential in addressing the energy crisis. By raising awareness about the importance of sustainable energy practices and the environmental impact of our energy choices, we can foster a culture of energy-conscious citizens who are willing to make the necessary changes in their daily lives.This includes promoting energy-efficient behaviors, supporting renewable energy initiatives, and advocating for policy changes that prioritize sustainable energy solutions.In addition to these technological and behavioral approaches, the energy crisis also requires a global collaborative effort. International cooperation and the sharing of best practices can accelerate the development and deployment of sustainable energy solutions. Governments, international organizations, and multinational corporations must work together to establish consistent policies, facilitate the transfer of knowledge and technology, and ensure equitable access to clean energy resources.The energy crisis is a complex and multifaceted challenge that demands a comprehensive and coordinated response. By investing in renewable energy, improving energy efficiency, developing innovative storage solutions, and fostering public engagement and global collaboration, we can overcome this crisis and transition towards a more sustainable and resilient energy future. The stakes are high, but the potential rewards are immense – a cleaner environment, a more stable global economy, and a better quality of life for generations to come. It is our collective responsibility to rise to this challenge and secure a sustainable energy future for our planet.。
全球环境变暖原因英语作文Global Warming: Causes and Consequences。
Introduction:Global warming is a significant environmental issuethat has gained attention worldwide. It refers to the long-term increase in Earth's average surface temperature due to human activities. This essay aims to explore the causes and consequences of global warming.Causes of Global Warming:1. Greenhouse gases: The primary cause of global warming is the increase in greenhouse gases in the atmosphere. These gases, including carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O), trap heat from the sun and prevent it from escaping back into space. The burning of fossil fuels, deforestation, and industrial processes contribute to the release of greenhouse gases.2. Fossil fuel combustion: The burning of fossil fuels such as coal, oil, and natural gas for electricity generation, transportation, and industrial activities releases large amounts of CO2 into the atmosphere. This leads to the enhanced greenhouse effect, causing global warming.3. Deforestation: Trees play a crucial role inabsorbing CO2 from the atmosphere through photosynthesis. However, deforestation, primarily for agricultural purposes, results in the release of stored carbon back into the atmosphere. This loss of carbon sinks contributes to the increase in CO2 levels.4. Industrial processes: Industrial activities,including manufacturing, mining, and construction, release greenhouse gases such as CO2, CH4, and N2O. These gases are emitted during the production and use of various products and materials, contributing to global warming.Consequences of Global Warming:1. Rising temperatures: Global warming leads to an increase in average global temperatures. This rise in temperature affects weather patterns, causing more frequent and intense heatwaves, droughts, and wildfires. It also results in the melting of glaciers and polar ice caps, leading to rising sea levels.2. Extreme weather events: Global warming contributesto the occurrence of extreme weather events such as hurricanes, cyclones, and heavy rainfall. These events can cause widespread destruction, loss of lives, and displacement of communities.3. Ecosystem disruption: The changing climate disrupts ecosystems and threatens biodiversity. Many species are unable to adapt to the rapidly changing conditions, leading to habitat loss and extinction. This disruption alsoaffects the availability of resources for human populations, such as food and water.4. Ocean acidification: Increased CO2 levels in theatmosphere are absorbed by the oceans, leading to ocean acidification. This process has detrimental effects on marine life, particularly on coral reefs and shell-forming organisms, as it inhibits their ability to build and maintain their skeletons and shells.Mitigation and Adaptation:1. Renewable energy: Transitioning from fossil fuels to renewable energy sources such as solar, wind, and hydroelectric power can significantly reduce greenhouse gas emissions.2. Afforestation and reforestation: Planting trees and preserving existing forests helps absorb CO2 from the atmosphere, acting as carbon sinks.3. Energy efficiency: Improving energy efficiency in industries, buildings, and transportation can reduce the demand for fossil fuels, thereby lowering greenhouse gas emissions.4. Sustainable agriculture: Implementing sustainable agricultural practices can reduce emissions from livestock, improve soil health, and preserve forests.Conclusion:Global warming is primarily caused by human activities, particularly the release of greenhouse gases into the atmosphere. Its consequences include rising temperatures, extreme weather events, ecosystem disruption, and ocean acidification. However, by implementing mitigation and adaptation strategies, such as transitioning to renewable energy and sustainable practices, we can work towards reducing the impacts of global warming and protecting our planet for future generations.。
全球变暖的原因及分析措施英语作文全文共3篇示例,供读者参考篇1Global warming refers to the increase in average temperature of the Earth's atmosphere and oceans over time. This phenomenon has become a major concern worldwide due to its negative effects on the environment and human society. There are various factors that contribute to global warming, including greenhouse gas emissions, deforestation, and industrial activities. In order to address this issue, it is crucial to analyze the causes of global warming and implement effective measures to mitigate its impact.One of the primary causes of global warming is the excessive emission of greenhouse gases into the atmosphere. Greenhouse gases, such as carbon dioxide, methane, and nitrous oxide, trap heat in the Earth's atmosphere and contribute to the greenhouse effect, leading to an increase in temperature. The main sources of greenhouse gas emissions are fossil fuel combustion, industrial processes, and deforestation. For example, the burning of coal, oil, and natural gas for energy production releases largeamounts of carbon dioxide into the atmosphere, which contributes significantly to global warming.Another significant factor contributing to global warming is deforestation. Trees play a crucial role in absorbing carbon dioxide from the atmosphere through photosynthesis and storing carbon in their biomass. However, widespread deforestation, primarily for agriculture, urbanization, and logging, leads to a reduction in carbon sequestration and an increase in greenhouse gas emissions. Deforestation also results in the loss of biodiversity, disruption of ecosystems, and degradation of soil fertility, further exacerbating the effects of global warming.Industrial activities, such as manufacturing, transportation, and construction, also play a significant role in global warming. The production and use of fossil fuels, chemicals, and materials in industries release greenhouse gases and pollutants into the atmosphere, contributing to air pollution and climate change. In addition, industrial processes often require large amounts of energy and resources, leading to increased emissions of greenhouse gases and environmental degradation. The expansion of industries and infrastructure further acceleratesglobal warming by increasing energy consumption, resource extraction, and waste production.In order to address global warming and mitigate its impact, it is essential to implement effective measures at the local, national, and global levels. One of the key strategies is reducing greenhouse gas emissions through the adoption of clean and renewable energy sources, such as solar, wind, hydroelectric, and geothermal power. Transitioning to sustainable energy systems and improving energy efficiency in industries, buildings, and transportation can help reduce carbon emissions and mitigate climate change.Another important measure is preserving and restoring forests to enhance carbon sequestration and biodiversity conservation. Protecting natural ecosystems, such as forests, wetlands, and grasslands, can help absorb carbon dioxide from the atmosphere, regulate the climate, and support diverse plant and animal species. Implementing sustainable land-use practices, such as reforestation, afforestation, and agroforestry, can help mitigate the impacts of deforestation and promote ecosystem resilience.Furthermore, promoting sustainable development and reducing consumption and waste are essential for addressingglobal warming. Improving resource efficiency, recycling, and waste management can reduce the environmental footprint of human activities and minimize greenhouse gas emissions. Encouraging sustainable practices in agriculture, fisheries, and food production can also help reduce carbon emissions, preserve ecosystems, and ensure food security for future generations.In conclusion, global warming is a complex and pressing issue that requires urgent action to address its causes and mitigate its impact. By reducing greenhouse gas emissions, protecting forests, promoting sustainable development, and adopting climate-friendly practices, we can make a significant contribution to combating climate change and building a more sustainable future for the planet. It is crucial for governments, businesses, and individuals to work together to implement effective solutions and ensure a healthy and resilient environment for future generations.篇2Global warming has been a major topic of discussion and concern in recent years. The Earth's climate is changing rapidly, with temperatures rising, ice caps melting, and extreme weather events becoming more common. In this essay, we will explorethe causes of global warming and analyze potential solutions to this pressing issue.The primary cause of global warming is the increase in greenhouse gases in the Earth's atmosphere. Greenhouse gases such as carbon dioxide, methane, and nitrous oxide trap heat from the sun, causing the Earth's temperature to rise. The main sources of these gases are human activities, including burning fossil fuels such as coal, oil, and gas for energy, deforestation, and agriculture.Another major contributor to global warming is the loss of forests and other vegetation. Trees and plants absorb carbon dioxide from the atmosphere and store it as biomass. When forests are cut down or burned, this stored carbon is released back into the atmosphere, exacerbating the greenhouse effect.In addition to human activities, natural factors such as volcanic eruptions and solar radiation also play a role in global warming. However, the overwhelming consensus among climate scientists is that human activities are the primary driver of the current warming trend.To address the issue of global warming, it is crucial that we take action at both individual and societal levels. One of the most effective ways to reduce greenhouse gas emissions is totransition to renewable energy sources such as solar, wind, and hydropower. By investing in clean energy technologies and phasing out fossil fuels, we can significantly reduce our carbon footprint and slow the pace of global warming.Another important step we can take is to conserve energy and reduce waste in our daily lives. Simple actions such as turning off lights and electronics when not in use, using energy-efficient appliances, and carpooling or taking public transportation can all help reduce our emissions and lessen our impact on the environment.In addition to mitigation strategies, adaptation measures are also necessary to cope with the effects of global warming that are already occurring. This includes investing in infrastructure that is resilient to extreme weather events, implementing sustainable agricultural practices, and protecting and restoring natural ecosystems that can help absorb carbon dioxide.Ultimately, addressing global warming will require a concerted effort from individuals, businesses, governments, and international organizations. By working together to reduce our emissions, conserve resources, and protect the environment, we can mitigate the worst impacts of climate change and create a more sustainable future for all.In conclusion, global warming is a complex and urgent issue that requires immediate action. By understanding the causes of climate change and implementing solutions to reduce our greenhouse gas emissions, we can mitigate the effects of global warming and create a more sustainable and resilient planet for future generations.篇3Title: Causes and Solutions of Global WarmingIntroductionGlobal warming has become an urgent environmental issue that threatens the planet's ecosystem and human well-being. The rise in Earth's average temperature is primarily attributed to human activities that release greenhouse gases into the atmosphere. In this essay, we will discuss the causes of global warming and propose possible solutions to address this critical issue.Causes of Global Warming1. Greenhouse Gas EmissionsThe main cause of global warming is the excessive emission of greenhouse gases, such as carbon dioxide (CO2), methane(CH4), and nitrous oxide (N2O). These gases trap heat in the Earth's atmosphere, leading to a gradual increase in temperature. The burning of fossil fuels, deforestation, and industrial activities are the primary contributors to greenhouse gas emissions.2. DeforestationDeforestation plays a significant role in global warming by reducing the Earth's carbon sink capacity. Trees absorb CO2 from the atmosphere during photosynthesis, but the removal of forests for agriculture, logging, and urbanization results in the release of stored carbon back into the atmosphere. This process amplifies the greenhouse effect and contributes to the rise in global temperatures.3. IndustrializationThe rapid industrialization of developing countries has led to increased energy consumption and the release of pollutants into the atmosphere. The manufacturing sector, transportation, and power generation rely heavily on fossil fuels, which release large amounts of CO2 and other greenhouse gases into the air. The expansion of industries exacerbates global warming and its adverse effects on the environment.Solutions to Global Warming1. Transition to Renewable EnergyOne of the most effective solutions to global warming is the transition from fossil fuels to renewable energy sources, such as solar, wind, and hydropower. Renewable energy technologies produce clean electricity without emitting greenhouse gases, reducing our reliance on fossil fuels and mitigating climate change. Governments and industries should invest in renewable energy infrastructure to create a sustainable and low-carbon future.2. Reforestation and AfforestationTo combat deforestation and increase the Earth's carbon sink capacity, reforestation and afforestation initiatives should be implemented on a global scale. Planting trees and restoring degraded forests can sequester carbon dioxide from the atmosphere and help mitigate the effects of global warming. Conservation programs and sustainable land management practices are essential to preserving our forests and biodiversity.3. Energy Efficiency and ConservationImproving energy efficiency in buildings, transportation, and industry can reduce greenhouse gas emissions and lower our carbon footprint. Energy-efficient technologies, renewable fuels,and sustainable practices can help us conserve resources and mitigate the impacts of global warming. Individuals, businesses, and governments should adopt energy-saving measures to promote a greener and more sustainable lifestyle.ConclusionGlobal warming is a pressing environmental issue that requires immediate action to mitigate its harmful effects on the planet. By addressing the causes of global warming through sustainable practices and innovative solutions, we can protect the environment, safeguard our future, and create a more resilient and climate-resilient world. It is essential for policymakers, businesses, and individuals to work together in combating global warming and promoting a sustainable future for generations to come.。
全球变暖的问题和解决方法英语作文Global warming is a significant environmental issue that has been affecting the Earth for many years. It isprimarily caused by the increase in greenhouse gases such as carbon dioxide, methane, and nitrous oxide, which trap heat in the Earth's atmosphere and lead to a rise in global temperatures. This phenomenon has resulted in numerous adverse effects on the environment, including melting glaciers, rising sea levels, more frequent and severe weather events, and disruptions to ecosystems and wildlife.There are several effective methods that can be implemented to address the issue of global warming. One of the most important steps is to reduce the emission of greenhouse gases through the use of cleaner and more sustainable energy sources. This can be achieved through the development and promotion of renewable energy technologies such as solar, wind, and hydroelectric power. Additionally, improving energy efficiency in industries, transportation, and buildings can also significantly reduce greenhouse gas emissions.Another crucial approach to combating global warming is the conservation and restoration of natural ecosystems such as forests, wetlands, and grasslands. These ecosystems act as carbon sinks, absorbing and storing large amounts of carbon dioxide from the atmosphere. Protecting these areas from deforestation and degradation, as well as reforesting and restoring degraded lands, can help mitigate the impacts of global warming.Furthermore, adopting sustainable agricultural practices can also contribute to reducing greenhouse gas emissions and combating global warming. This includes practices such as agroforestry, conservation tillage, and organic farming, which can help sequester carbon in soils and reduce the use of synthetic fertilizers and pesticides that contribute to greenhouse gas emissions.In addition to these mitigation strategies, it is also important to adapt to the effects of global warming by implementing measures to increase resilience to climate change. This includes building infrastructure that can withstand extreme weather events, developing early warningsystems for natural disasters, and implementing policies to protect vulnerable communities and ecosystems.Overall, addressing the issue of global warming requires a comprehensive and coordinated effort from governments, businesses, and individuals. By implementing a combination of mitigation and adaptation strategies, it is possible to mitigate the impacts of global warming and create a more sustainable and resilient future for the planet.全球变暖是一个长期以来影响地球的重要环境问题。
解决全球气候变暖的措施英语作文英文回答:Taking on the daunting challenge of global warming requires a comprehensive approach encompassing both mitigation and adaptation strategies. Mitigation efforts focus on curbing greenhouse gas emissions, while adaptation measures aim to enhance societies' resilience to the inevitable impacts of climate change.Mitigation Strategies:Transition to Renewable Energy: Replacing fossil fuels with renewable sources such as solar, wind, and hydroelectricity is crucial for reducing carbon emissions.Improve Energy Efficiency: Buildings, industries, and transportation can be made more energy efficient through technological advancements and behavioral changes.Promote Sustainable Land Management: Deforestation and unsustainable farming practices contribute significantly to greenhouse gas emissions. Implementing reforestation, agroforestry, and sustainable grazing practices can reverse these trends.Develop Climate-Smart Technologies: Research and innovation are essential for developing advanced technologies that can capture and store carbon, enhance energy storage, and provide low-carbon transportation options.Adaptation Strategies:Build Resilience in Infrastructure: Climate change impacts such as sea level rise, extreme weather events, and droughts can be mitigated by designing and constructing infrastructure that can withstand these challenges.Protect Ecosystems: Natural ecosystems, such as wetlands, forests, and oceans, provide vital services that protect against climate change impacts. Conservation andrestoration efforts are crucial for safeguarding these invaluable assets.Enhance Community Preparedness: Educational campaigns, disaster risk reduction measures, and early warning systems can help communities prepare for and respond to climate-related hazards.Promote Climate-Resilient Agriculture: Developing drought-tolerant crops, implementing adaptive farming practices, and ensuring access to water resources are essential for ensuring food security in the face of climate change.Collaboration and Cooperation:Addressing global warming requires global cooperation and collaboration. International agreements, technological partnerships, and knowledge-sharing are vital for driving collective action and accelerating progress towards a sustainable future.Financial Considerations:Significant financial investments are necessary to implement both mitigation and adaptation strategies. Developed nations have a responsibility to providefinancial assistance to developing countries, which areoften disproportionately affected by climate change.Political Will and Public Engagement:Political leadership and public support are essentialfor driving policy changes and promoting sustainable practices. Education, awareness campaigns, and civic engagement are crucial for creating a climate-conscious society.Conclusion:Solving global warming requires a multifaceted approach that incorporates both mitigation and adaptation strategies, supported by global cooperation, financial investment, and political will. By embracing these measures, we cantransition towards a more sustainable and resilient future for generations to come.中文回答:缓解策略:转向可再生能源,用太阳能、风能和水力发电等可再生能源取代化石燃料对于减少碳排放至关重要。
化工行业专用英语(总8页) -CAL-FENGHAI.-(YICAI)-Company One1-CAL-本页仅作为文档封面,使用请直接删除aerosol propellant气溶胶喷射剂aftertreatment 后处理ammonia 氨Annual capacity factor年均利用率Annual capital charge rate 年均资本回收率aromatic 芳族化合物As-received收到基(煤)atmospheric pollution 大气污染Auto-ignition temperature自燃温度,自燃点biodiesel 生物柴油Biomass 生物质Blend 混和Boiling point沸点Capacity 容量capital intensity 资本强度Carbon balance 碳平衡Carbon emission 二氧化碳排放Carbon sequestration 埋存碳(二氧化碳)Carbon(CO2) capture and storage 回收并储存碳(二氧化碳) Catalyst 催化剂CBM 煤层气C-C bond 碳-碳化学键Cetane (number) 十六烷值Chemical feedstock 化工原料Chemicals 化工产品CNG 压缩天然气CO2 二氧化碳Coal (syngas) polygeneration 煤气化多联产Coal derived 煤基Coal mining 采煤Coal slurry 水煤浆coal steam-electric plant 火电厂Coalsteam plant with FGD 火力发电厂烟气脱硫Co-capture / Co-storage (或CC+CS) 联合回收/联合存储cold start 冷态启动Commercial scale 大规模、工业规模Compression-ignition engine or CIE 压燃式发动机Cool Water demonstration 冷水示范电厂Cooling water 冷却水coproduct 副产物Co-production 联产Cost estimate 成本估计Cracking catalyst 裂化催化剂Crude oil 原油DCL / Direct coal liquefaction 煤直接液化Dehydration of methanol 甲醇脱水反应Density 密度Desulfurization 脱硫diesel engine 柴油发动机Dimethyl ether or DME CH3OCH3 二甲醚Direct liquefaction technology 直接液化技术Disengagement zone 分离区electricity or power generation 发电Energy balance 能量平衡Energy Mix 能源构成Equilibrium limit 化学平衡限制Equivalent 等价物ER for emission rate 排放率Externality 外部因素Financial cost 经济成本,财务成本Fischer-Tropsch synthesis or F-T 费脱合成Flammability limits 可燃极限FTL for F-T liquids 费脱合成液体燃料Fuel cycle 燃料循环Gasification 气化Gasoline 汽油Gas-phase reactor 气相反应器GHG emissions mitigation 减排温室气体Global warming 全球变暖Greenhouse gas or GHG 温室气体Grid 电网Grind 碾碎GTL for Gas To Liquids 气变油H2/CO ratio or H/C ratio 合成气中氢气/一氧化碳含量比,氢碳比H2S 硫化氢HC for hydrocarbon 烃,碳氢化合物HC fuel 烃类燃料Health cost 健康损害Heating 采暖heavy-duty 重型的Hybrid-electric 混合电能hydrogenation 加氢作用ICL for Indirect Coal Liquefaction 煤间接液化IGCC plant 整体煤气化联合循环电厂Installed capital cost 建设投资成本intellectual property 知识产权JV for joint venture 合资企业Life cycle 全生命周期Liquefaction 液化Liquid-phase 液相Liquid-phase reactor 液相反应器Location factor 区域因子LowEff Low efficiencyLower heat value 低位热值LPG 液化石油气Lube oil 润滑油methane 甲烷Methanol or MeOH CH3OH 甲醇middle distillate 中间馏份Mitigation 减少,减排Mtce 一种能量单位百万吨标煤NOx 氮氧化物noxious material 有害物质Off the shelf 现货供应One-through design 一次通过方式Operating &maintenance / O&M 运行维护Overnight 隔夜oxygenated fuel 氧化燃料Oxygen-blown gasification 氧吹气化Ozone 臭氧paraffin 石蜡Pilot plant scale 试验厂规模PM for particulate matter 颗粒物Poly-generation 多联产Poly-generation technology 多联产技术Power island 动力岛power sector 电力行业ppb level 十亿分率水平pressurized canister 加压罐Process configuration 工艺配置Process heat 工艺用热Production cost 生产成本Propane 丙烷public good 公共福利Purge gas 净化气体Quench 激冷Reaction conditions: P for pressure Tfor temperature 反应条件: P代表压力,T代表温度Recycle design 循环方式reduce 还原;减少refinery 炼油renewable energy 可再生能源residual 渣油Saturator 饱和器semi-refined 半精制的Single(or One)-pass conversion 一次通过的转化率Slurry 浆SO2 二氧化硫social cost 社会成本Soot 烟灰Spark-ignition engine 火花引燃式发动机Stand-alone 单独的Streamline 简化使有效率Sulfur 硫Syncrude 合成原油Syngas or synthesis gas 合成气Syngas park 合成气园Synthesis 合成Synthesis conversion 合成转化率synthesis reactor 合成反应器Synthetic fuel 合成燃料TFESTTI for Technical Infrastructure 技术基础设施toxic metal 有毒金属物Unreacted 未反应的USDOE 美国能源部Vapor pressure 蒸汽压Vent 排放Water gas shift / WGS 水煤气变换aerosol propellant 气溶胶喷射剂aftertreatment 后处理ammonia 氨Annual capacity factor 年均利用率Annual capital charge rate 年均资本回收率aromatic 芳族化合物As-received 收到基(煤)atmospheric pollution 大气污染Auto-ignition temperature 自燃温度,自燃点biodiesel 生物柴油Biomass 生物质Blend 混和Boiling point 沸点Capacity 容量capital intensity 资本强度Carbon balance 碳平衡Carbon emission 二氧化碳排放Carbon sequestration 埋存碳(二氧化碳)Carbon(CO2) capture and storage 回收并储存碳(二氧化碳) Catalyst 催化剂CBM 煤层气C-C bond 碳-碳化学键Cetane (number) 十六烷值Chemical feedstock 化工原料Chemicals 化工产品CNG 压缩天然气CO2 二氧化碳Coal (syngas) polygeneration 煤气化多联产Coal derived 煤基Coal mining 采煤Coal slurry 水煤浆coal steam-electric plant 火电厂Coalsteam plant with FGD 火力发电厂烟气脱硫Co-capture / Co-storage (或CC+CS) 联合回收/联合存储cold start 冷态启动Commercial scale 大规模、工业规模Compression-ignition engine or CIE 压燃式发动机Cool Water demonstration 冷水示范电厂Cooling water 冷却水coproduct 副产物Co-production 联产Cost estimate 成本估计Cracking catalyst 裂化催化剂Crude oil 原油DCL / Direct coal liquefaction 煤直接液化Dehydration of methanol 甲醇脱水反应Density 密度Desulfurization 脱硫diesel engine 柴油发动机Dimethyl ether or DME CH3OCH3 二甲醚Direct liquefaction technology 直接液化技术Disengagement zone 分离区electricity or power generation 发电Energy balance 能量平衡Energy Mix 能源构成Equilibrium limit 化学平衡限制Equivalent 等价物ER for emission rate 排放率Externality 外部因素Financial cost 经济成本,财务成本Fischer-Tropsch synthesis or F-T 费脱合成Flammability limits 可燃极限FTL for F-T liquids 费脱合成液体燃料Fuel cycle 燃料循环Gasification 气化Gasoline 汽油Gas-phase reactor 气相反应器GHG emissions mitigation 减排温室气体Global warming 全球变暖Greenhouse gas or GHG 温室气体Grid 电网Grind 碾碎GTL for Gas To Liquids 气变油H2/CO ratio or H/C ratio 合成气中氢气/一氧化碳含量比,氢碳比H2S 硫化氢HC for hydrocarbon 烃,碳氢化合物HC fuel 烃类燃料Health cost 健康损害Heating 采暖heavy-duty 重型的Hybrid-electric 混合电能hydrogenation 加氢作用ICL for Indirect Coal Liquefaction 煤间接液化IGCC plant 整体煤气化联合循环电厂Installed capital cost 建设投资成本intellectual property 知识产权JV for joint venture 合资企业Life cycle 全生命周期Liquefaction 液化Liquid-phase 液相Liquid-phase reactor 液相反应器Location factor 区域因子LowEff Low efficiencyLower heat value 低位热值LPG 液化石油气Lube oil 润滑油methane 甲烷Methanol or MeOH CH3OH 甲醇middle distillate 中间馏份Mitigation 减少,减排Mtce 一种能量单位百万吨标煤NOx 氮氧化物noxious material 有害物质Off the shelf 现货供应One-through design 一次通过方式Operating &maintenance / O&M 运行维护Overnight 隔夜oxygenated fuel 氧化燃料Oxygen-blown gasification 氧吹气化Ozone 臭氧paraffin 石蜡Pilot plant scale 试验厂规模PM for particulate matter 颗粒物Poly-generation 多联产Poly-generation technology 多联产技术Power island 动力岛power sector 电力行业ppb level 十亿分率水平pressurized canister 加压罐Process configuration 工艺配置Process heat 工艺用热Production cost 生产成本Propane 丙烷public good 公共福利Purge gas 净化气体Quench 冷Reaction conditions: P for pressure T for temperature 反应条件: P代表压力,T 代表温度Recycle design 循环方式reduce 还原;减少refinery 炼油renewable energy 可再生能源residual 渣油Saturator 饱和器semi-refined 半精制的Single(or One)-pass conversion 一次通过的转化率Slurry 浆SO2 二氧化硫social cost 社会成本Soot 烟灰Spark-ignition engine 火花引燃式发动机Stand-alone 单独的Streamline 简化使有效率Sulfur 硫Syncrude 合成原油Syngas or synthesis gas 合成气Syngas park 合成气园Synthesis 合成Synthesis conversion 合成转化率synthesis reactor 合成反应器Synthetic fuel 合成燃料TFESTTI for Technical Infrastructure 技术基础设施toxic metal 有毒金属物Unreacted 未反应的USDOE 美国能源部Vapor pressure 蒸汽压Vent 排放Water gas shift / WGS 水煤气变换。
减缓全球变暖的措施英语作文英文回答:Global warming is a critical issue that poses a significant threat to our planet and all living organisms. Although the phenomenon has been occurring naturally throughout Earth's history, human activities have amplified its effects to unprecedented levels. The burning of fossil fuels, deforestation, and industrial processes release greenhouse gases into the atmosphere, leading to an increase in global temperatures.Recognizing the urgency of addressing global warming, nations worldwide have taken steps to mitigate its impacts and transition to a sustainable future. The following measures are crucial in reducing greenhouse gas emissions and mitigating the effects of climate change:1. Transitioning to Renewable Energy Sources:Replacing fossil fuels with renewable energy sources, such as solar, wind, and geothermal energy, is essential. These sources do not emit greenhouse gases during energy production, contributing significantly to decarbonization efforts.2. Energy Efficiency Improvements:Improving energy efficiency in all sectors, including buildings, transportation, and industry, reduces energy consumption and lowers emissions. By using energy-efficient appliances, implementing energy-saving practices, and optimizing energy systems, we can significantly reduce our energy footprint.3. Reforestation and Afforestation:Trees absorb carbon dioxide from the atmosphere during photosynthesis, acting as carbon sinks. Planting trees and restoring forests not only sequesters carbon but also provides numerous other benefits, such as improving biodiversity and air quality.4. Technological Advancements:Research and development in clean technologies, such as carbon capture and storage (CCS), can play a significant role in reducing greenhouse gas emissions. CCS involves capturing carbon dioxide from industrial or power plants and storing it underground, preventing its release into the atmosphere.5. Policy and Regulatory Measures:Governments must implement effective policies and regulations to support and incentivize the transition to a low-carbon economy. Setting emission reduction targets, promoting renewable energy development, and investing in climate mitigation measures are essential for driving transformative change.6. Public Awareness and Education:Raising public awareness about the causes andconsequences of global warming and promoting sustainable practices is crucial. Empowering individuals and communities with knowledge can lead to behavioral changes that support climate action.7. International Cooperation:Climate change is a global issue that transcendsnational borders. International collaboration and cooperation are vital in tackling this challengeeffectively. Global agreements, such as the Paris Agreement, provide frameworks for coordinated efforts and collective action to reduce emissions.中文回答:减缓全球变暖的措施。
英语作文global warmingEnglish: Global warming is a serious issue that is caused primarily by the increase in greenhouse gases like carbon dioxide in the Earth's atmosphere. These gases trap heat from the sun, leading to a rise in global temperatures. The consequences of global warming are alarming, including rising sea levels, more frequent and severe natural disasters, changes in weather patterns, and loss of biodiversity. Human activities such as burning fossil fuels, deforestation, and industrial processes have greatly contributed to the increase in greenhouse gases. It is crucial for us to take immediate action to mitigate global warming, such as reducing our carbon footprint, transitioning to renewable energy sources, and adopting sustainable practices in our daily lives. Climate change is a global problem that requires collective efforts from individuals, governments, and businesses to address before it is too late.中文翻译: 全球变暖是一个严重的问题,主要是由于地球大气中二氧化碳等温室气体的增加。
环境与气候变化词汇环境和气候变化是当今全球所面临的重大挑战和关注的问题。
为了更好地了解和探讨这一话题,本文将介绍一些与环境和气候变化相关的词汇。
这些词汇可以帮助人们更好地理解和描述环境和气候变化的现象和影响。
一、气候变化1. 温室效应(Greenhouse Effect):指地球大气中由温室气体引起的热量聚集现象,导致地表温度上升的自然现象。
2. 全球变暖(Global Warming):指地球大气和海洋中的温度持续上升的趋势,导致冰川融化、海平面上升等现象。
3. 温度异常(Temperature Anomaly):指某一地区或全球平均温度与长期平均温度相比的偏差。
4. 极端天气事件(Extreme Weather Events):指在一定时期内出现的异常、罕见或极端的天气现象,如暴雨、干旱、飓风等。
二、环境污染1. 大气污染(Air Pollution):指空气中存在过多有害物质,如二氧化硫、氮氧化物等,导致空气质量下降的现象。
2. 水污染(Water Pollution):指水体中存在污染物质,如工业废水、农业农药等,对水生生物和人类健康造成威胁的现象。
3. 土地退化(Land Degradation):指土地受到自然和人为因素影响而丧失原有的生产力和生态功能的现象。
4. 生态破坏(Ecological Damage):指人类活动对生态系统造成的负面影响,如森林砍伐、物种灭绝等现象。
三、可持续发展1. 可再生能源(Renewable Energy):指能够持续获取并利用的能源,如太阳能、风能等,对减少对化石燃料的依赖具有重要意义。
2. 节能减排(Energy Conservation and Emission Reduction):指通过节约能源、降低废气排放等措施来减少对环境的负面影响。
3. 低碳经济(Low-carbon Economy):指以减少二氧化碳等温室气体排放为目标的经济发展方式。
Global warming mitigation and renewable energy policy development from the Kyoto Protocol to the Copenhagen Accord —A commentLee Chung Lau,Keat Teong Lee n ,Abdul Rahman MohamedLow Carbon Economy (LCE)Research Group,School of Chemical Engineering,Engineering Campus,Universiti Sains Malaysia,14300Nibong Tebal,Pulau Pinang,Malaysiaa r t i c l e i n f oArticle history:Received 29March 2012Accepted 1April 2012Available online 1July 2012Keywords:Kyoto ProtocolCopenhagen Accord Global warming Greenhouse gases Renewable energya b s t r a c tGlobal warming is a grave environmental issue that has caught the attention of the globe.Due to the consequences of global warming,UNFCCC has established the Kyoto Protocol and the Copenhagen Accord as measures of combating climate change due to the emission of greenhouse gases.It has been three years since the first commitment period of the Kyoto Protocol and the Copenhagen Accord was just newly established.Therefore,there is a necessity to evaluate the performance of the Kyoto Protocol and to comment upon the Copenhagen Accord in its contributions toward climate change mitigation.Major greenhouse gas (GHG)emitters who are among the Kyoto Protocol ratifying developed nations exhibit the potential to achieve the desired Kyoto pledges through the aid of Clean Development Mechanisms (mainly from using renewable energy),as proposed in the Kyoto Protocol.However,the nullifying effects from non-ratified major emitters like the US and ratified but still developing countries have difficulties in adhering to the Kyoto Protocol.The Copenhagen Accord,on the other hand,is considered to be less ambitious and provides limited financial aid through the Copenhagen Green Climate Fund.The formulation of such a document indicates that modern societies continues to waste time in negotiations that emphasize on individual economic and political advantages,rather than taking into account true global considerations.It raises questions regarding how much time is needed before we decide to fully commit to the effective and collective efforts of climate change mitigation.&2012Elsevier Ltd.All rights reserved.Contents 1.Introduction .....................................................................................................52802.Midterm analysis of the Kyoto Protocol ...............................................................................52813.From the Kyoto Protocol to the Copenhagen Accord .....................................................................52824.Conclusion ......................................................................................................5284Acknowledgments ................................................................................................5284References ................................. (5284)1.IntroductionGlobal warming has become renowned as one of the gravest environmental issues to catch the attention of the globe in recent decades.It is a consensus view that global warming is an unequivocal result of anthropogenic emission of greenhouse gases (GHG)that remain like a blanket in the atmosphere,thus preventing the reflection of heat back into outer space.Conse-quently,the average earthly temperature has increased by 0.71C since the pre-industrialization period.This diminutive rise oftemperature has resulted in climate change that has caused devastation to ecosystems and is affecting sustainable social and economic development.One of the consequences of global warm-ing is the melting of ice in Greenland and the South Pole,and with the thermal expansion of water,a subsequent increase in sea level could take place,which could possibly submerge coastal areas that are often densely populated.The United Nations Framework Convention on Climate Change (UNFCCC)established the Kyoto Protocol in 1997,deeming it indispensable and necessary to curb the severe damage being caused by global warming.The Kyoto Protocol demarcated that a global effort in climate change mitigation aims to reduce GHG emissions from Annex I countries (developed countries)by 5.2%,with the year 1990as baseline in the first commitment period ofContents lists available at SciVerse ScienceDirectjournal homepage:/locate/rserRenewable and Sustainable Energy Reviews1364-0321/$-see front matter &2012Elsevier Ltd.All rights reserved./10.1016/j.rser.2012.04.006nCorresponding author.Tel.:þ6045996467;fax:þ6045941013.E-mail address:chktlee@m.my (K.T.Lee).Renewable and Sustainable Energy Reviews 16(2012)5280–52842008–2012.The Kyoto Protocol proposes three mechanisms (Clean Development Mechanism(CDM),Joint Implementation, and Emission Trading)to assist the developed ratified nations in achieving their assigned Quantified Emission Reduction Limita-tion or Reduction Commitment(QELRC)in a more economically feasible way.On the other hand,developing countries have participated in GHG emissions abatement through common but differentiated responsibility principles,as no QELRC is allocated. Primarily,developing countries could participate in CDM projects or formulate new environmental policies in accordance to the objectives of the Kyoto Protocol.After establishing the Kyoto Protocol,discussions of climate issues by the Conference of Parties(COP)have been taking place annually.In December2009,The15th COP drafted the Copenhagen Accord in accordance to post-Kyoto negotiations,with the US and developing countries such as China,India,Brazil,and South Africa having a crucial role in drafting the document.The Copenhagen Accord pledges to limit global temperature increase of2o C to avoid dangerous anthropogenic interference with the climate system. Additionally,the accord embraces a Copenhagen Green Climate Fund that deliversfinancial support to the most vulnerable devel-oping countries for combating climate change either by mitigation or adaptation efforts.The Kyoto Protocol is now two years into its enforcement. There is a necessity to analyze its midterm performance.The effectiveness of the Kyoto Protocol should be highlighted in subsequent climate change discussions in attuning its current methodology or distinguishing other approaches for stringent efforts to achieve positive climate change.Additionally,commen-taries on the Copenhagen Accord should also be delivered in order to ensure the political will of pursuing poverty eradication and sustainable development in a low emission pathway.This paper, therefore,addresses the analysis of two methods(Kyoto Protocol and Copenhagen Accord)that represent the autonomous initiative of human society for its sustainable future.2.Midterm analysis of the Kyoto ProtocolThe beginning of2010meant that the Kyoto Protocol had formally entered thefirst commitment period for two full years.It is essential for midterm investigation regarding the accomplish-ments of the nations that have ratified the Kyoto Protocol,in terms of the ultimate goal of GHG emissions reduction to mitigate global warming.Due to the fact that it requires about two years for the data collection to take place before an official GHG inventory can be published,governance reports were updated until2007.Notwithstanding,GHG emissions could be predicted for analysis purposes and these projections are found to be reliable.In this paper,the GHG emission inventories of several major emitters will be discussed.Annex I countries of the Kyoto Protocol such as the European Union(EU),Japan,and Russia will be analyzed in terms of their efficiency in achieving their Kyoto pledge.The US and non-Annex I countries such as China and India will be analyzed in terms of their negative influences on goals of the Kyoto Protocol.The EU,as one of the major contributors towards the foundation of the Kyoto Protocol,obligates a GHG reduction of8%in2008–2012[11].In2007,the overall GHG emissions from EU-27were9.3%below1990,in which GHG emissions drop from5564.0to5045.1million tons of CO2(with-out LULUCF–land use,land use change and forestry),indicating their success in achieving their Kyoto commitments[5].Among the European countries,EU-12(mainly Eastern Europe)had actually achieved a GHG emission reduction of25.4%in2007. Nevertheless,EU-15,especially Spain and Portugal,which account for local emission rise of52.6%and36.1%,respectively,offset the total amount of EU reduction[4].In total,the emission reduction of EU-15approached4.3%,which is lower than the8%target[5]. This shows that EU-15is not capable of realizing their Kyoto pledge,and the successfulness of EU-27is merely due to the contribution from EU-12.The emission reduction of25.4%by EU-12was,on the other hand,mainly due to the collapse of their economies rather than the effectiveness of their efforts.This illustrates that even though the EU could comply with their Kyoto commitments;a much more ambitious Kyoto target should be adopted for a sustainable future.Russia is the second largest emitter of the countries that have ratified the Kyoto Protocol(after the EU),and has a commitment to maintain its GHG emissions at base year level[11].Russian energy related CO2emissions in2007were1.6Gt or27.3%below its1990level(2.2Gt)[6].However,this reduction did not imply the accomplishment of the Kyoto Protocol,as the steep reduction of Russian GHG emissions was due to the transition to a market economy.Nevertheless,there was indeed some effort demon-strated by the improvement of the CO2intensity index(world 2007¼100)between1990and2007[6].The decrease of the CO2 intensity index from250to171showed that some enhancement in the energy utilization was achieved.Apart from Russia,Japan is listed in Annex I of the Kyoto Protocol and has a GHG emissions reduction commitment of6%from1990[11].Lau et al.(2009) shows the awareness of the Japanese government in incorporat-ing ideas of sustainable development in the processes of formu-lating their energy policies.Therefore,Japan emerges as one of the most energy efficient countries with the lowest CO2intensity index of71(world2007¼100)[6].Nevertheless,the energy related CO2emissions of Japan in2007did not decrease compared to1990because the emissions rose from1.1Gt to1.2Gt[6].From the emission data reported by corresponding countries,it is reasonable to conclude that achieving the goals of the Kyoto Protocol is less likely to occur,even with such a low target.Since emission reduction difficulties in Annex I countries were expected as the cost of carbon reduction is higher in nations that have already achieved high energy efficiency,fostering CDM as an alternative for cheaper carbon reduction method is crucial for Annex I nations to achieve their pledge.Even though there are three mechanisms proposed by the Kyoto Protocol,CDM emerges as far more important than the other two.Rahman et al.[10] shows that by August2009,5316CDM projects have been submitted to the UNFCCC.Despite685projects being rejected or withdrawn,the remaining4631projects are expected to generate approximately2.79billion certified emission reductions (CERs)[10].The most popular project types are hydro,wind, biomass energy,and methane avoidance,which account for roughly70%of the total4631CDM projects.Additionally,the CDM is also on track to generate1100million CERs annually by 2020.Nevertheless,the2.79billion CERs generated are sufficient to aid developed countries in achieving their Kyoto pledges but could likely fail to offset the emissions increase by the US and other developing countries,as discussed in the next section.In addition to providing cheaper alternatives for Annex I countries’Kyoto pledges,the CDM also promotes technology transfer and sustainable development of the host country.Therefore,the CDM or other similar mechanisms are expected to continue beyond the first commitment period as an effective and economically feasible method for achieving carbon reduction.One of the loopholes of the Kyoto Protocol is the withdrawal of the US from the treaty.The implication of the US leaving this international pact serves to nullify the effort of the nations that have ratified the Kyoto Protocol,since US is the largest emitter among developed countries.The US is required to commit a reduction of7% if it ratifies the Kyoto Protocol in US Congress[11].The US federalu,et al./Renewable and Sustainable Energy Reviews16(2012)5280–52845281government refuses to commit to a binding environmental treaty and claims that for economical keeps good track record of its GHG emissions and publishes inventory reports as soon as possible.On top of that,state governments in the US,in contrary to the federal government,have set their own emissions caps and have enacted various environmental policies as global mitigation efforts.Therefore,in an optimistic perception,the US federal government could potentially adopt the Kyoto Protocol or post-Kyoto Protocol negotiations eventually.Nevertheless,without a binding treaty,the US GHG emissions,as shown in Fig.1,grew 14%from 6116.6Tg in 1990to 6946.1Tg in 2008[14].The emissions in 2008had actually decreased 2.9%from 2007,which is the largest decrease percentage to take place since 1990.How-ever,the extra 829.5Tg of CO 2-eq emissions from 1990have definitely offset the effort by other Annex I countries,and are subsequently a harsh burden on the goals to achieve a collective 5.2%reduction.Apart from the withdrawal of the US from the Kyoto Protocol,exclusion of developing countries from quantified emission reduction commitment has been a detrimental decision towards global warming mitigation.Even though not including least developed countries and small island developing countries,fast growing developing countries envisaged in non-Annex I countries such as China and India have shown their rapid growing GHG emission recently.China overtook the US as the largest CO 2emitter in 2006and India replaced Russia as the third in the world in 2007[2].China has never reported its GHG emission officially since 1994.The attained estimate shows that Chinese fossil fuel CO 2emissions in 2008had reached 7.05Gt [2],more than triple compared to her 2.2Gt emission in 1990[6].China’s immense growth in CO 2emission has humiliated the emission reduction goals set by the Kyoto Protocol,even if it was achieved.Other than that,Table 1shows the shares of the cumulative worldCO 2emission of several countries.China’s share of cumulative world CO 2emission has increased from 5%in 1990to 9%in 2007with a constitution of 20%of the world population [6].Therefore,China has started to lose the stand to claim that current atmo-spheric CO 2concentration are caused by developed countries since the pre-industrial era.Conversely,India has shown a double increase in its 2007energy related CO 2emissions,compared to 1990.The emissions rose from 0.60Gt to 1.3Gt and are projected to reach 2.2Gt in 2020[6].However,India’s share of the cumulative world CO 2emission was only 3%in 2007,whereas it contains 17%of world’s population [6].There is a necessity for India to emphasize its priority in poverty eradication and pursue social and economic development.Nevertheless,India could obtain financial aid and technology transfer from developed countries,as its CO 2intensity index (world 2007¼100)is 101,which is relatively high and improved utilization of energy is required [6].3.From the Kyoto Protocol to the Copenhagen Accord The Conference of Parties (COP)of UNFCCC,since 1995,has organized a series of meetings annually in order to discuss pressing climate issues.After the enforcement of the Kyoto Protocol began in 2005,COP 11was also the first Meeting of Parties (MOP 1)of the Kyoto Protocol in order to negotiate issues related to the Kyoto Protocol.In 2007,MOP 3was held,where negotiation was raised for a climate change mitigation framework extending beyond 2012,and the Bali Action Plan was outlined.In the Bali Action Plan,the parties aim to formulate a binding deal in two year,i.e.,in the Copenhagen meeting.Eventually,COP 15/MOP 5was held in Copenhagen in December 2009.Ultimately,COP 15/MOP 5did not attain a binding deal for combating climate change,but instead adopted the Copenhagen Accord as the post-Kyoto climate agreement and it is subject to further negotiations.The Copenhagen Accord promotes the stabilization of atmo-spheric GHG concentrations in order to prevent dangerous climate change by suppressing the rise of global temperature below 2o C in accordance with the principles of common but differentiated responsibility and respective capabilities.The accord does not set a global or national emissions limit,but rather recognizes the necessity to immediately achieve a suppression of emissions.Parties of the Copenhagen Accord will set their own emissions targets,either individually or jointly.Subsequently,these targets will be verified according to whether Annex I or non-Annex I countries.Also,emission from deforestation and forest degradation (REDD)580060006200640066006800700072001990199219941996199820002002200420062008G H G e m i s s i o n (T g C O 2 e q .)year GHG emissions from 1990–2008.Table 1Share of cumulative world CO 2emission199020072020a 2030a EU 27232018US 31282523Japan 4444Russia 1411109India 2334China591316aPrediction of a scenario in which governments do not make changes to their existing policies by mid 2009.u,et al./Renewable and Sustainable Energy Reviews 16(2012)5280–52845282and removal of GHG by forests are identified as crucial in combating climate change by providingfinancial incentives through a REDD-plus mechanism.Developed countries promise to commit USD30 billion from2010–2012and USD100billion annually by2020to aid the developing world,especially the least developed countries,small island developing states,and Africa through the Copenhagen Green Climate Fund for adaptation and mitigation including REDD-plus, capacity building,technology development and transfer.Contradictory to the Kyoto Protocol,developing countries such as China,India,Brazil and South Africa played an important role in negotiations with the US in the efforts to draft the Copenhagen Accord.This is a positive trend,in that the participation of develop-ing countries,especially China and India,implies climate change mitigation of higher effectiveness compared to the solo work of developed countries.But there is no doubt that opinions of dis-satisfaction would arise,as many countries claim that their econom-ical benefits and opinions were not considered during the drafting of the Copenhagen Accord.For instance,Small Island developing states such as Tuvalu urged that stringent temperature increase of less than 1.5o C should instead be adopted.The president of Tuvalu pleaded that his country would sink under the water at2o C increase because the IPCC[7]indicates a0.4–1.4m rise in sea level due to the thermal expansion of water only.In addition to the thermal expansion of water,melting of glaciers,ice caps and Greenland could cause a potential7m sea level increase.Catastrophic outcome is expected for Tuvalu,as the highest point in Tuvalu is only4m and the entire Tuvaluan population lives less than2m above sea level [15].Thus,the request for limiting temperature increase to below 1.5o C for a secure position to countries that could not adapt the climate change,especially for those island countries,was perfectly reasonable.In spite of the2o C aim that seems inadequate and less ambitious,global GHG emissions by2020must be capped to44 billion tons of CO2-eq in order to have a50%chance to achieve the goal[1].This implies an essential step for developed countries to reduce30%of emissions by2020and then further increase to50% by2050[3].Under such condition,atmospheric GHG concentra-tion could be limited within400–450ppm CO2-eq to avoid the dangerous impacts of climate change[8].Even though a2o C objective is agreed,there is no explicit target of how it could be achieved.The accord is instead providing an appendix for the countries to submit their own targets and mitigation actions for verifiparing to the Kyoto Protocol as an international treaty,the Copenhagen Accord is not a binding deal that could effectively regulate the actions of the parties.The accord merely provides an appendix for both developed(Appendix I)and developing countries(Appendix II)to submit their commitment in their own quantified economy-wide emissions targets for2020 and climate change mitigation actions voluntarily.This provides substantial convenience for the parties to promise no commit-ment or reasonable emission reduction goal corresponding to their political will.Some of the reports accepted under the Appendix I and II in the Copenhagen Accord are shown in Table2 and Table3[13].The report submission of most of the major GHG emitters without delay indicates a harmonized desire to contri-bute in limiting the temperature rise to2o C.However,there is a doubt raised against the feasibility of the targets and actions taken,and whether the goal of2o C could be achieved.Many countries,such as,Australia and the EU,are also willing to contribute more in GHG mitigation actions under the condition that a comparable effort is offered globally.This action results from the intention of protecting their economy along with devotion to climate change mitigation.Therefore,tedious and time-consuming negotiations are expected to occur in order to achieve a global and comprehensive multilateral agreement that will indeed meet the objective of the Copenhagen Accord.In addition to limiting temperature increase,the accord pledges to provide the Copenhagen Green Climate Fund to aid poor developing countries take part in climate change adaptation and mitigation.However,the funding of USD30billion in2010–2012is minuscule when considered in terms of the broad range expenditure of adaptation and mitigation actions.For instance, the cost of defending Venice from sea level rise and tides for a year has already required the full amount of provided funding. The economic damage brought about by Katrina wasfive times greater than the USD30billion from Copenhagen Green Climate Fund[9].Therefore,largerfinancial support from rich developed countries is necessary for the least developed countries.Addi-tionally,it is not difficult to come to a conclusion that mitigation and adaptation costs are much smaller than the damage caused by the effects of climate change.Other than the little funding promised by developed countries,the Copenhagen Accord does not clearly allocate the Green Climate Fund to corresponding adaptation and mitigation programs.In this vein,the accord raises confusion for host countries in obtaining thefinancial aid for their adaptation and mitigation plans.In addition,the fund transfer could not progressively allow the appropriate actions to be taken in thefight against climate change.It is unfortunate that politicians are economists rather than scientists or mathemati-cians.They are ignoring the warnings given by scientists and potential future loss due to climate change;they instead focus on their short term economical advantages and of course,their political benefits.The convention is unable to determine a deadline for emission peaking by stating that it should be achieved‘as soon as possible’[12].In the Kyoto Protocol on the other hand,the performance of the ratifying nations could be analyzed through their actual emissions and their QELRC,but the Copenhagen Accord,as a post-Kyoto negotiation output,could not decide to further com-plement the Kyoto Protocol or establish a better and ambitious internationally binding treaty for climate change mitigation.In addition,it is rather disappointing that there are no obviousTable2Quantified economy-wide emissions targets for2020of developed countries submitted under Appendix I of the Copenhagen Accord.DevelopedcountriesQuantified economy-wide emissions targets for2020Australia5%(unconditional),15%(conditional)-25%(stringentconditions)from2000levelCanada17%reduction from2005levelEU20%reduction from1990level,contingent increase to30% Japan25%reduction from1990levelRussia15–25%reduction from1990levelUS17%reduction from2005level Table3Mitigation action plans of developing countries submitted under Appendix II of the Copenhagen Accord.DevelopingcountriesMitigation actionsBrazil36.1–38.9%reduction from BAUChina Reduce40–45%of CO2emission/GDP,increase non fossilfuel share to15%,increase forest coverage and forest stockvolume by40million hectares and1.3billion m3,base year2005India Reduce20–25%CO2emission/GDP from2005level Indonesia26%,base year not statedSouth Africa34%reduction from BAU by2020,42%reduction from BAUby2025n BAU¼business as usualu,et al./Renewable and Sustainable Energy Reviews16(2012)5280–52845283improvements from preceding experience in formulating the Kyoto Protocol;especially since the Copenhagen Accord has been given six years for assessment.It is inevitable to doubt the necessity of such a long period time between commencement and the assess-ment.Subsequently,it can be considered that there is no solid international effort in terms of climate change mitigation between 2012and2015.The global society will continue to waste time in negotiations instead of putting real effort into subverting this severe issue that could potentially harm the existence of not just the world’s fragile ecosystems,but human being also.4.ConclusionFrom the GHG emission inventory reported by various nations and their emissions projection,the Kyoto Protocol could be accepted as successful to the extent that the Kyoto goal is achievable.From a global warming mitigation perspective,the Kyoto Protocol could not reduce global GHG emissions.Never-theless,the Kyoto Protocol is not a complete failure,as the efforts of the developed countries can be called a good‘first step’.The Copenhagen Accord is not a complete failure either,as it can also be called a good initial step in terms of global effort,including developing countries.However,how manyfirst steps do we need before we can actually commit fully towards climate change mitigation?How many steps do we have left before it is too late? AcknowledgmentsThe authors would like to acknowledge the Program MyBrain 15and Long Term Research Grant Scheme(LRGS)Grant No. 67230002for thefinancial support given.References[1]Act of Copenhagen.The UK government’s ambition for a global deal onclimate change(2010).Countries to announce targets by Jan31.Available at: //en/ambition/achievements/janu ary/jan31-milestone S.Accessed7April2010.[2]Carbon dioxide information analysis center,CDIAC(2010)Preliminary2007-08Global&National Estimates by Extrapolation.// trends/emis/meth_reg.html S.Accessed9April2010.[3]EU@UN(2010).Limiting global climate change to21C:an EU commissioncommunication.//articles/en/article_6666_en.htm S.Accessed5April2010.[4]European Environmental Agency(2009a)Annual European Community greenhouse gas inventory1990–2007and inventory report2009./http://www.eea.europa.eu/publications/european-community-greenhouse-gas-inventory-2009S.Accessed6April2010.[5]European Environmental Agency(2009b)Greenhouse gas emission trendsand projections in Europe2009./http://www.eea.europa.eu/publications/ eea_report_2009_9S.Accessed8April2010.[6]International Energy Agency,IEA(2009)How the energy sector can deliveron a climate agreement in Copenhagen.//weo/docs/weo2009/ climate_change_excerpt.pdf S.Accessed6April2010.[7]Intergovernmental panel on climate change,IPCC(2007)Climate change2007:synthesis report./http://www.ipcc.ch/publications_and_data/publications_ipcc_ fourth_assessment_report_synthesis_report.htm S.Accessed5April2010.[8]Netherlands Environmental Assessment Agency(2009)To limit globalwarming to two degrees Celsius,increase in global greenhouse gas emissions needs to have turned into a decrease,by2020./http://www.pbl.nl/en/news/ pressreleases/2009/20091207-To-limit-global-warming-to-two-degrees-Cel sius-increase-in-global-greenhouse-gas-emissions-needs-to-have-turned-in to-a-decrease-by-2020.html S.Accessed8April2010.[9]Piana V.(2010).Copenhagen green climate fund—a comment.EconomicsWeb Institute.//essays/copenhagen greenclimatefund.htm S.Accessed8April2010.[10]Rahman S.M.,Dinar A.,Larson D.F.(2010)Diffusion of Kyoto’s clean devel-opment mechanism.Technological Forecasting and Social Change10.1016/ j.techfore.2010.03.001.[11]United Nations framework convention on climate change,UNFCCC(1998)KyotoProtocol to the United Nations Framework Convention on Climate Change./ http://unfccc.int/resource/docs/convkp/kpeng.pdf S.Accessed5April2010. 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