Climate Change 2014
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气候变化的英语作文英文回答:Climate change is a pressing issue that affects the entire planet. The increase in greenhouse gases, such as carbon dioxide and methane, has led to a rise in global temperatures, resulting in more frequent and severe weather events, melting ice caps, and rising sea levels. This not only threatens the environment and wildlife but also has a significant impact on human lives and livelihoods.For example, in my hometown, we have experienced more intense and prolonged heatwaves in recent years. This has had a direct impact on agriculture, with crops suffering from drought and extreme temperatures. Farmers are struggling to adapt to these changing conditions, and it has become increasingly challenging to predict and plan for the growing season.Furthermore, extreme weather events, such as hurricanesand floods, have become more frequent, causing widespread destruction and displacement of communities. Just last year, a powerful hurricane hit our coastal region, causing extensive damage to homes and infrastructure. Many families were forced to evacuate, and the recovery process has been slow and difficult.中文回答:气候变化是一个紧迫的问题,影响着整个地球。
造成气候变化的原因英语作文Climate change has become one of the most pressing environmental issues of our time. The causes of climate change are complex and multifaceted, but it is widely accepted that human activities have played a significant role in exacerbating this global challenge. In this essay, we will explore the primary factors that contribute to climate change and their implications for our planet.One of the principal drivers of climate change is the emission of greenhouse gases, primarily carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). These gases trap heat in the Earth's atmosphere, leading to a gradual increase in global temperatures. The primary source of these greenhouse gas emissions is the burning of fossil fuels, such as coal, oil, and natural gas, for energy production, transportation, and industrial processes. Deforestation and land-use changes, particularly the clearing of forests for agriculture and urban development, also contribute to the release of stored carbon into the atmosphere.Another significant contributor to climate change is the increase in atmospheric concentrations of aerosols and other particulate matter. These substances, which can come from sources such as industrialemissions, vehicle exhaust, and agricultural practices, can have a complex effect on the climate. Some aerosols, such as sulfate particles, can have a cooling effect by reflecting sunlight back into space, while others, such as soot, can absorb heat and contribute to warming.The expansion of livestock production, particularly the raising of cattle and other ruminant animals, is also a major factor in climate change. These animals produce large amounts of methane, a potent greenhouse gas, through their digestive processes. Additionally, the clearing of land for grazing and the production of feed crops for livestock can lead to significant land-use changes and associated emissions.Another contributor to climate change is the increasing use of synthetic fertilizers in agriculture. These fertilizers, which are used to enhance crop yields, can release nitrous oxide into the atmosphere, further exacerbating the greenhouse gas problem.The impacts of climate change are far-reaching and can be observed in various aspects of our environment. Rising global temperatures have led to the melting of glaciers and ice sheets, resulting in sea level rise and the displacement of coastal communities. Extreme weather events, such as hurricanes, droughts, and heatwaves, have become more frequent and intense, causing widespread damage anddisruption to human and natural systems.The effects of climate change also extend to ecosystems and biodiversity. Changing temperatures and precipitation patterns have led to the shifting of habitats and the disruption of delicate ecological balances. Many species are facing increased threats of extinction as they struggle to adapt to the rapidly changing conditions.Addressing the causes of climate change requires a comprehensive and coordinated approach involving governments, businesses, and individuals. Strategies such as transitioning to renewable energy sources, improving energy efficiency, reducing deforestation, and adopting sustainable agricultural practices can all contribute to mitigating the effects of climate change. Additionally, investing in research and innovation to develop new technologies and solutions, as well as promoting public awareness and education, are crucial in the fight against this global challenge.In conclusion, the causes of climate change are multifaceted and deeply rooted in human activities. From the emission of greenhouse gases to land-use changes and industrial practices, our actions have had a profound impact on the Earth's climate. Addressing these complex issues will require a concerted effort from all sectors ofsociety, as we work together to protect our planet and ensure a sustainable future for generations to come.。
关于气候变化问题的英语作文英文回答:Climate change, a pressing global issue, is widely recognized as a significant threat to our planet and its inhabitants. The rapidly changing climate patterns, characterized by rising temperatures, melting ice caps, and extreme weather events, have far-reaching implications for our societies, economies, and ecosystems.Causes and Impacts of Climate Change:Climate change is primarily attributed to human activities, particularly the burning of fossil fuels (e.g., coal, oil, and natural gas), which releases greenhouse gases into the atmosphere. These gases trap heat and cause a gradual increase in global temperatures.The impacts of climate change are multifaceted and include sea-level rise, intensified storms, droughts, andheat waves. These events can lead to widespread damage to infrastructure, displacement of populations, disruption of ecosystems, and loss of biodiversity.Scientific Consensus and Urgency:An overwhelming scientific consensus exists that climate change is real, human-induced, and poses a grave danger to the planet. Observations from various scientific disciplines, including atmospheric chemistry, climatology, and oceanography, provide ample evidence of the changing climate. The Intergovernmental Panel on Climate Change (IPCC), an international body of scientists, has consistently affirmed the urgency of addressing climate change.Consequences for Future Generations:Failure to mitigate climate change will have severe consequences for future generations. Rising sea levels could submerge coastal cities and displace millions of people. Extreme weather events will become more frequentand destructive, threatening lives, livelihoods, and food security. Moreover, climate change impacts ecosystems, affecting biodiversity, food chains, and the availabilityof natural resources.Mitigation and Adaptation:Addressing climate change requires a collective effortto reduce greenhouse gas emissions and adapt to its impacts. Mitigation strategies include transitioning to renewable energy sources, promoting energy efficiency, and adopting sustainable land-use practices. Adaptation measures, suchas building seawalls and relocating communities, are necessary to protect populations and infrastructure fromthe effects of climate change.Responsibility and Cooperation:Responsibility for addressing climate change is shared by all nations. Wealthier countries have a historical responsibility for greenhouse gas emissions and should provide financial and technical assistance to developingcountries in their efforts to mitigate and adapt to climate change. International cooperation and collaboration are crucial for implementing effective climate action.中文回答:气候变化问题。
本科毕业设计(论文)外文文献(此文档为word格式,下载后您可任意修改编辑!)标题: The Challenge of Changing to a Low-Carbon Economy: A Brief Overview作者: Carrasco, Jorge F出版物名称: Low Carbon Economy卷: 5;期: 1;页: 1-5;页数: 5;出版年份: 2014;出版商: Scientific Research Publishing出版物国家/地区: United StatesISSN: 21587000The Challenge of Changing to a Low-Carbon Economy: A BriefOverviewCarrasco, Jorge FAbstractClimate change alters all sustainable development dimensions for a given nation or region, therefore, decreasing emission of GHG is not only an environmental issue, but it has also implication on the economic, social and political matters. In 2009, the Copenhagen Accord adopted the 2°C global warming increase limit as an international policy, being this threshold the maximum allowable warming to avoid dangerous and irreversible anthropogenic interference in the climate system. The observed monthly average CO^sub 2^ concentrations in the atmosphere crossed the 400 parts per million thresholds, for the first time in April and May 2013. The energy sector is the single largest source of climate changing GHG emissions, and therefore moving from fossil fuel to clean energy production should be a priority challenge for all countries. For that, it is necessary to develop a low carbon economy for confronting the climate change.Keywords:Climate Change; Carbon Dioxide; Low-Carbon Economy; 2°C Target1. OverviewSince the release of the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) [1], when the main conclusion was that the climate change is unequivocal; the vast majority of the world reached the consensus that this environmental change is real and it is due to the atmosphere warming as a con- sequence of the increased concentration of greenhouse gases (GHG) of anthropogenic origin. This has recently been confirmed by the Fifth IPCC Report [2]. One of the main conclusions indicates that "human influence has been detected in warming of the atmosphere and the ocean, as well as, changes in the global water cycle, in re- ductions in snow and ice, in global mean sea level rise, and in changes in some climate extremes". Also, the re- port reveals that "it is extremely likely (i.e., 95% - 100% probability) that human influence has been the domi- nant cause of the observed warming since the mid-20th century" [2]. Climate model simulations project further warming and changes in all components of the climate system as emissions of CO2 continue, or even if emis- sions of CO2 are stopped now [2]. Therefore, it is necessary to face and to be prepared for a warmer world than the present one, with an appropriate worldwide plan and/or with integrated and synergetic national programs that globally mitigate the emission of GHG. This mainly implies to end with our dependence on fossil fuels, which is the major source of carbon dioxide(CO2) released into the atmosphere, and to assume that this action is a challenge that should be the main worldwide environmental problem of our time. The CO2 is the most impor- tant anthropogenic GHG contributing ~64% to the radiative forcing of the long-lived GHG, and it is responsible for ~84% of the increment in radiative forcing since 2002 [3]. Climate change alters all sustainable development dimensions for a given nation or region, therefore, de- creasing emission of GHG is not only an environmental issue, but it has also implications on the economic, so- cial and political matters. Since this issue was recognized by the global community, several actions and agree- ments have been taking place in the Conference of the Parties (COP) of the United Nations Framework Conven- tion on Climate Change (UNFCCC). Among others, in 2009 the Copenhagen Accord endorsed the continuation of the Kyoto Protocol; it recognized that climate change is one of the greatest challenges of our time and em- phasized the needed for a "strong political will to urgently combat climate change in accordance with the prin- ciple of common but differentiated responsibilities and respective capabilities". Also, it was recognized that deep cuts in global emissions are required according to science results [1] [2] and that countries should agree in cooperative way in stopping from rising global and national GHG emissions "as soon as possible". To achieve this, it is necessary to develop a low CO2 emission strategy in order to secure a sustainabledevelopment. Later in the COP at Durban 2011, the governments recognized the need of a new universal, legal agreement to deal with climate change beyond 2020, where all parties will play their part to the best of their ability. Meanwhile, an amendment to the Kyoto Protocol was adopted in the COP at Doha 2012 where the parties agreed on an 8-year second commitment period, this in order to stabilize greenhouse gas concentrations in the atmosphere at a level that will prevent dangerous human interference with the climate system.Also, the Copenhagen Accord adopted the 2°C global warming increase limit [4] as an international policy, being this threshold the maximum allowable warming to avoid dangerous and irreversible anthropogenic inter- ference in the climate, beyond this threshold the risks of significant damage to ecosystems and of non-linear responses are expected to increase rapidly. These actions are now even more urgent after knowing the results of the last Fifth IPCC Report [2]. The International Energy Agency (IEA) [4] also recognized that the energy sector is the single largest source of climate changing GHG emissions, and therefore changing from fossil fuel to clean energy production should be a priority challenge. This means to develop an economic based on a low-emission pathway, in other words, to establish a low carbon economy (LCE) for confronting the climate change. This im- plies a low-fossil-fuel economy, or a decarbonized economy that has a minimal output of GHGemissions into the atmosphere, specifically CO2 as a result of human activity. The IEA [5] recently indicated that even though Governments have decided collectively that the world needs to limit the average global temperature increase to no more than 2°C (as sooner as possible), any resulting global agreement related with this challenge will emerge after 2015 and new legal obligations will most probably begin after 2020. Meanwhile, despite the agreement taken by governments and that many countries are taking new ac- tions, the GHG emission continue increasing and the world target for accomplishing the 2°C is drifting further from the track that it needed to follow [5]. In fact, the observed monthly average CO2 concentrations in the at- mosphere crossed the 400 parts per million thresholds, for the first time in April and May 2013, in several ob- serving stations (Barrow/Alaska-USA, Alert/Canada, Ny-?lesund/Norway, Iza?a/Canary Islands-Spain, and Mauna Loa/Hawaii-USA) [6]. Recently, the PwC (PricewaterhouseCooper LLP) [7] revealed that the annual rate reduction of CO2 emission for the 2012-2050 period, needed to accomplish the 2°C warming target, has ris- en from 3.7% to 5.1% (Figure 1) [6]. Also, the IEA indicated in its World Energy Outlook Special Report [5] that we are more likely to increase the air temperature between 3.6°C and 5.3°C during the 21th century, com- pared with pre-industrial values (see also Peter et al. [8]). Figure 1 also shows that the business as usual projec- tion will not accomplish the 2°C targetreduction. Neither it will be if the annual reduction rate is 3.7% as origin- ally was estimated. If we continue the business as usual pathway, every year the annual reduction rate needed will be larger and therefore more challenge to achieve. Peter et al. [8] comparing the observed annual global CO2 emission with those projected by different IPCC scenarios, since the first report until those used in the fifth one, concluded that the current trend follows or even is above the worse scenario. They concluded that if the CO2 emission track continues the global warming will be above the 2°C target, and that to return to the 2°C pathway requires a sustainable global mitigation, including capture and storage CO2, but also high level of technological, social and political innovations [8].Despite of this, the 2°C target is still a feasible challenge but it is now more difficult to achieve and actions are urgently needed before 2020. It is well recognized that energy accounts for around two-third of GHG emis- sions, as more than 80% of global energy consumption is based on fossil fuels. Therefore, achieving a LCE is a worldwide challenge in order that the climate change impacts can be mitigated any time soon. Such an endeavor must be undertaken, not only by developed countries (Annex 1 of the Kioto Protocol), but it should also be a compromise by developing countries (non Annex 1 of the Kioto Protocol). However, any action should be in accordance with the principle ofcommon but differentiated responsibilities and respective capabilities. Natural energy resources are vital for securing economic growth and development for all countries, not just today but for future generations. The relationship between economic growth and the environment is complex. Changes in technology due to LCE can have the potential of reducing the environmental impacts, but also of af- fecting the economic growth. Traditional economy is based mainly on energy generated by using fossil fuel. For this reason many economical indexes include results of consumption of fossil fuel, like the economic growth, nation and people prosperity, and other overall cost and benefits. The LCE implies the development of a new way of generating energy, which it should be based on "clean-renewable" sources. For the vast majority of the countries this shift is highly cost and it will affect their economy, mainly to those less-developed communities. As indicated earlier, the international community recognizes that the climate change (and its impacts) is one of the largest problems facing humanity. This is well assumed in economic terms, but the challenge goes beyond this, arising ethical questions that many time are often overlooked, questions that have to be with ourselves and with our interaction with the environment including the ecosystems and the biodiversity. What should be the objectives of climate change, and who should bear the burdens of climate change? Who should be included in decision-making about mitigationand adaptation strategies? Is it only governmental decision? What role plays the private sector? Beinhocker and Oppenheim [9] ind icated that moving to a LCE involves a technology shift might cause job losses in some sectors, but on the other hand is likely to create more jobs than it will destroy. Also, greater social equity could be an additional benefit of such a low-carbon revolution. For example, in de- veloping countries innovations in power generation technology could make electricity both more affordable and more accessible to less-developed communities. Increased electrification has a wide variety of development benefits ranging from improved healthcare and access to clean water, to greater economic growth. Even, the de- velopment of a truly sustainable biofuels industry could offer vast economic opportunities for the rural poor communities.Clearly climate change will impact our way of life, moving to a LCE for accomplishing the goal of 2°C target will cause changes in the current social status, on the people's capacity to enjoy fundamental rights to life, food, water and health [9]. This means that the 2°C target is likely to be too high to safeguard these rights. Then, how we as worldwide society are able to confront the challenge imposed by climate change, in moving to a LCE and adopting polices for mitigation and adaptation, without compromising people's rights for a better life and the environment as a whole. No doubt that LCE requires an ethical and political frameworkthat differs from current ones.Climate change is the result of human activity involving many actors from the individual level (summing bil- lions of people), to industry and governmental levels, and from national (private and public) to international in- stitutions. To move to a LCE requires a collective action of all countries and across the entire society, from pri- vate to public sectors, from the individual to a community levels. It requires actions that go beyond legal decla- rations, (完整文献请到百度文库) from national legislatures and international agreement and involving national and international organi- zations, like the World Trade Organization and World Bank, two bodies funding research into new technologies. It also requires that these institutions coordinate and cooperate with each other to ensure that social and eco- nomic policies are not pursued in ways that destroy the environment. In many countries, the balance between private and public investment in a LCE should be driven by the market but with governmental policies and regu- lations that ensure the least impact on the most vulnerable communities. It is most probable that the private sec- tor will not act on those areas where the return investment is of long-term or highly uncertain. In these cases, ac- tion from the public sector will be needed by taking responsibility on the investment or by subsidizing private ones or to the vulnerable communities. The climate change is a global problem with a global solution, even though the responsibilitiesare differentiated, all countries should take actions, and all industries should be in- volved in moving to a LCE. Today, in a global market and economy, most industrial production is also of an in- ternational scale and, therefore, they should be involved in LCE actions.The LCE also implies the concept of low carbon technology (LCT) for energy generation and the develop- ment of new technology with zero carbon emission. This development has relationships with electricity, trans- portation and construction sectors; chemistry industry and many other new technologies. Globally, technology development has dramatically accelerated over recent decades in developed countries, however, this develop- ment remains slow in low- and middle-income countries. Technology transfer from developed to developing countries needs further implementation. Also, LCT involves research for improving efficiency of existing tech- nology and for developing new technology from renewable energy that comes from natural resources. Advances in technology and policy will allow renewable energy and energy efficiency to play major roles in replacing fos- sil fuels, meeting global energy demand, but at the same time reducing CO2 emissions. In summary, the world is facing a warmer environment due to human activity that have being increasing the GHG concentration. To overcome the impacts of the climate changes we need to adapt to the new scenarios, but also to reduce the GHG emission by moving to a LCE, which requires the compromiseof all countries and indi- viduals. LCE will impact the society in different way, for example on the economic growth which can be com- promised; it will need a balance between private and public investment, governmental policies and regulations, research and development of new technologies. It will require an international agreement where all nations should act with generosity for the well-being of humanity. AcknowledgementsThis study was carried out when the author was still affiliated with the Dirección Meteorológica de Chile. This article is a contribution to FONDAP (CR2) N° 1511009. ReferencesReferences[1] Solomon, S., Qin, D., Manning, M., Chen, Z., Marquis, M., Averyt, K.B., Tignor, M. and Miller, H.L. (2007) Contri- bution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. IPCC 2007, Cambridge University Press, Cambridge and New Y ork. [2] Stocker, T.F., Qin, D., Plattner, G.-K., Alexander, L.V., Allen, S.K., Bindoff, N.L., Bréon, F.-M., Church, J.A., Cu- basch, U., Emori, S., Forster, P., Friedlingstein, P., Gillett, N., Gregory, J.M., Hartmann, D.L., Jansen, E., Kirtman, B., Knutti, R., Krishna Kumar, K., Lemke, P., Marotzke, J., Masson-Delmotte, V., Meehl, G.A., Mokhov, I., Piao, S., Ra- maswamy,V., Randall, D., Rhein, M., Rojas, M., Sabine, C., Shindell, D., Talley, L.D., V aughan, D.G. and Xie, S.-P. (2013) Technical Summary. In: Stocker, T.F., Qin, D., Plattner, G.-K., Tignor, M., Allen, S.K., Boschung, J., Nauels, A., Xia, Y., Bex, V. and Midgley, P.M., Eds., Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge Uni- versity Press, Cambridge and New Y ork, in Press. [3] WMO (2013) The State of the Greenhouse Gases in the Atmosphere Based on Global Observations through 2012. Greenhouse Gas Bulletin, 9, 4 p. [4] Jaeger, C.C. and Jaeger, J. (2010) Three Views of Two Degrees. European Climate Forum (ECF) Working Paper 2, Potsdam.[5] International Energy Agency (2013) Redrawing the Energy-Climate Map. [6] Bala, G. (2013) Digesting 400 ppm for Global Mean CO2 Concentration. Current Science, 104, 47-48. [7] PwC (Pricewaterhouse Coopers LLP) (2012) Too Late for Two Degrees Low Carbon Economy Index. /gx/en/sustainability/publications/low-carbon-econo my-index/index.jhtml [8] Glen, P.P., Andrew, R.M., Boden, T., Canadell, J.G., Ciais, P., Le Quere, C., Marland, G., Raupach, M.R. and Wilson, C. (2013) The Challange to Keep Global Warming below 2°C. Nature Climate Change, 3, 4-6. [9] Beinhocker, E. and Oppenheim, J. (2009)Economic Opportunities in a Low-Carbon World. UNFCCC E-Newsletter. https://unfccc.int/press/news_room/newsletter/guest_column/items/4608.php AuthorAffiliationJorge F. Carrasco1,21Dirección Meteorológica de Chile, Santiago, Chile 2Universidad de Magallanes, Punta Arenas, Chile Email:****************** Received 8 December 2013; revised 8 January 2014; accepted 16 January 2014 Copyright ?2014 by author and Scientific Research Publishing Inc. This work is licensed under the Creative Commons Attribution International License (CC BY)./licenses/by/4.0/。
GE.14-23995 (C) 111214 111214作为《京都议定书》缔约方会议的《公约》缔约方会议第十届会议2014年12月1日至12日,利马议程项目5与联合执行有关的问题关于执行《京都议定书》第六条的指导意见主席的提案 决定草案 -/CMP.10关于执行《京都议定书》第六条的指导意见作为《京都议定书》缔约方会议的《公约》缔约方会议,忆及《京都议定书》第三条和第六条的规定及第1/CMP.8号决定, 注意到9/CMP.1号决定以及作为《京都议定书》缔约方会议的《公约》缔约方会议随后提出的关于联合执行的指导意见,1. 注意到联合执行工作在2006-2014年期间取得的成绩,包括548个第1轨项目、1 51个第2轨项目、2 5个经认证的独立实体和为《京都议定书》第一承诺期产生的减排量发放的8.56亿减排量单位;1第9/CMP.1号决定附件,第23段。
2 联合执行监督委员会之下的核查程序,具体规定见第9/CMP.1号决定附件,第30至45段。
联 合 国 FCCC /KP/CMP/2014/L.2气候变化框架公约 Distr.: Limited10 December 2014ChineseOriginal: EnglishFCCC/KP/CMP/2014/L.22. 赞赏地注意到联合执行监督委员会2013-2014年年度报告3和该委员会所开展的工作情况,特别是:(a)关于从现有的联合执行指南向订正的联合执行指南过渡的更多建议,这些建议是对委员会2012年和2013年提交作为《京都议定书》缔约方会议的《公约》缔约方会议的建议的进一步补充;(b)在与清洁发展机制认证系统取得一致的联合执行认证系统方面的建议和进展报告;3.重申关注联合执行的参与方目前面临市场困境,并需要确保该机制继续成功运作,以协助作出第1/CMP.8决定附件一所载《多哈协议》附件B第三列所定第二承诺期量化的限制或减少排放承诺的缔约方兑现《京都议定书》第三条之下的第二承诺期的承诺;4. 注意到附属履行机构正在进行的关于审查第9/CMP.1号决定附件所载联合执行指南4的工作;5. 请秘书处在顾及清洁发展机制和联合执行各自任务的前提下,就通过学习清洁发展机制的经验教训帮助联合执行节省费用和提高效率的机会编写一份技术文件,交附属履行机构第四十二届会议(2015年6月)审议;6. 请缔约方在2015年3月16日之前向秘书处提交示例,说明东道国为联合执行项目设计的、有助于东道国实现《京都议定书》之下量化的限制或减少排放的承诺的自愿技术方针;7. 请秘书处将这些提交材料整合成一份综合报告,供附属履行机构第四十二届会议审议;8. 请联合执行监督委员会就审查联合执行指南提交详细的建议,供附属履行机构第四十二届会议审议;9. 并请联合执行监督委员会确保具备充足的基础设施和能力,供缔约方使用机制,至少直至履行《京都议定书》之下第二承诺期承诺的额外时期结束,并保持对联合执行计划的审查,同时作出必要调整,以确保联合执行的高效率、节约有效和透明的运作。
《气候变化对农业影响》分析报告范本气候变化对农业影响分析报告范本一、引言气候变化对农业产生了深远的影响,全球变暖导致温度升高、降雨模式的改变以及极端气候事件的增多。
本报告旨在分析气候变化对农业的影响,以及为农业可持续发展提供相应的对策。
二、温度升高对农业的影响1. 作物生长期变化:气温升高导致作物的生长期变短,影响其生长发育和产量。
2. 作物品质下降:高温条件下,作物的味道、口感和营养价值可能受到影响,品质下降。
3. 病虫害增多:气温升高会导致病虫害种群的增长,对作物产生较大的危害。
三、降雨模式的改变对农业的影响1. 干旱和水资源短缺:降雨模式的改变可能导致干旱的出现,使得农田缺水,影响作物生长。
2. 洪涝灾害:极端降雨事件的增多可能导致洪涝灾害,破坏农田和农作物。
3. 灌溉需求增加:降雨不均衡会导致灌溉需求的增加,增加农业生产成本。
四、极端气候事件对农业的影响1. 高温热浪:高温热浪可能导致作物的大规模凋萎和死亡。
2. 暴风雨和冰雹:极端天气事件会对作物产生破坏性影响,影响产量和品质。
3. 台风和飓风:强风会破坏农作物,导致农业损失。
五、应对气候变化的对策1. 调整作物品种:选育适应高温、干旱和病虫害抵抗力强的新品种,提高作物的抗逆能力。
2. 水资源管理:改良灌溉设施,提高水资源利用效率,减少干旱对作物的影响。
3. 强化灾害风险管理:加强预警体系建设,提前应对极端气候事件的到来。
4. 推动可持续农业发展:倡导有机农业、精确农业和生态农业,减少化肥农药的使用,保护农田生态环境。
六、结论气候变化对农业的影响是显而易见的,其增加了农业生产的不确定性和风险。
但通过采取相应的对策,农业生产的可持续性和抗灾能力可以得到提升,从而应对气候变化带来的挑战。
参考文献:1. IPCC, 2014: Climate Change 2014: Impacts, Adaptation, and Vulnerability. Contribution of Working Group II to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change.2. Lobell, D.B. et al., 2011: Prioritizing climate change adaptation needs for food security in 2030. Science, 319(5863), 607-610.3. Challinor, A.J. et al., 2014: A meta-analysis of crop yield under climate change and adaptation. Nature Climate Change, 4(4), 287-291.。
参考文献中英文排序参考文献1. Smith, J., & Jones, A. (2018). The Impact of Climate Change on Global Agriculture. Environmental Science and Policy, 89, 13-25. 本研究探讨了气候变化对全球农业的影响。
研究发现,气候变化导致了温度升高、降雨模式的改变和极端天气事件的增加,从而对农作物的生长和产量产生了负面影响。
此外,气候变化还使得农业区域的干旱和洪涝风险增加,进一步威胁了全球农业的可持续发展。
2. Li, H., Zhang, M., & Wang, L. (2019). Impacts of Climate Change on Water Resources and Water Management in China. Journal of Water Resources Planning and Management, 145(9), 04019034.该研究分析了气候变化对中国水资源和水管理的影响。
研究发现,气候变化导致了降水量、径流和地下水储量的变化,从而影响了中国各地的水资源供应和水管理。
此外,气候变化还增加了中国的干旱和洪涝风险,对水资源的可持续利用提出了挑战。
3. Johnson, R., & Brown, K. (2020). Impacts of Climate Change on Biodiversity Conservation. Conservation Biology, 34(2), 431-440.本文综述了气候变化对生物多样性保护的影响。
研究发现,气候变化导致了生物多样性的物种组成和分布的改变,从而对生物多样性保护产生了负面影响。
气候变化还导致了生态系统的破坏和物种灭绝的增加,加剧了生物多样性的流失。
4. Adams, R., & Smith, P. (2017). Impact of Climate Change on Global Food Security. Annual Review of Environment and Resources, 42, 195-222.本文综述了气候变化对全球粮食安全的影响。
气候变化知识英文作文 英文,Climate change is a topic that has been widely discussed in recent years. It refers to the long-term change in the Earth's climate, including changes in temperature, precipitation, and wind patterns. The main cause of climate change is the increase in greenhouse gases in the atmosphere, mainly due to human activities such as burning fossil fuels, deforestation, and industrial processes.
The impacts of climate change are already being felt around the world. For example, in my hometown, we have been experiencing more frequent and severe heatwaves in the summer, which has had a significant impact on agriculture and water resources. In addition, extreme weather events such as hurricanes and floods have become more common, causing destruction and loss of life.
In order to address climate change, it is important for individuals, communities, and governments to take action. This can include reducing our carbon footprint by using renewable energy sources, conserving water, and promoting sustainable practices. Furthermore, policies and regulations need to be put in place to limit greenhouse gas emissions and protect vulnerable ecosystems.
全球气候变暖影响英文版Effects of Global Climate ChangeGlobal climate change refers to the long-term shifts in temperature and weather patterns on Earth caused by human activities, primarily the emission of greenhouse gases. These changes have far-reaching impacts on various aspects of our planet, including the environment, ecosystems, and human societies. In this essay, we will explore some of the major effects of global climate change on a global scale.One of the most visible impacts of climate change is therise in global temperatures. Over the past century, the average temperature of the Earth has increased by about 1 degree Celsius due to the accumulation of greenhouse gases in the atmosphere. This slight increase in temperature may not seem significant, but it has profound effects on our planet. Higher temperatures lead to the melting of ice caps and glaciers, resulting inrising sea levels. As a consequence, low-lying coastal areas are at risk of flooding, displacing millions of people and causing substantial economic losses.Another consequence of global warming is the alteration of weather patterns and an increase in extreme weather events. Higher temperatures lead to more evaporation, resulting in increased rainfall in some areas. This can lead to more frequent and intense storms, hurricanes, and floods. On the other hand,other regions may experience decreased rainfall and more frequent droughts, leading to water scarcity and agricultural losses. These changes in weather patterns can disrupt ecosystems and have a significant impact on agriculture, affecting food production and availability.Furthermore, climate change has profound impacts on ecosystems and wildlife. As temperatures rise, many species are forced to migrate to cooler regions or higher elevations to survive. However, some species, particularly endemic ones that are restricted to specific areas, may not be able to adapt or find suitable habitats, leading to their extinction. These changes in the distribution of species can disrupt ecosystems and have cascading effects on other species that rely on themfor food or other ecological interactions.In conclusion, global climate change has extensive and multifaceted impacts on our planet. Rising temperatures, changing weather patterns, ocean warming, ecosystem disruptions, and societal implications are just some of the effects that have been observed. Given the seriousness of these consequences, itis crucial for global efforts to mitigate greenhouse gas emissions and adapt to the changes already taking place to ensure a sustainable future for our planet and its inhabitants.。
APPROVED SPM – Copyedit Pending IPCC WGII AR5 Summary for Policymakers WGII AR5 Phase I Report Launch 1 31 March 2014 Climate Change 2014: Impacts, Adaptation, and Vulnerability SUMMARY FOR POLICYMAKERS
Drafting Authors Christopher B. Field (USA), Vicente R. Barros (Argentina), Michael D. Mastrandrea (USA), Katharine J. Mach (USA), Mohamed A.-K. Abdrabo (Egypt), W. Neil Adger (UK), Yury A. Anokhin (Russian Federation), Oleg A. Anisimov (Russian Federation), Douglas J. Arent (USA), Jonathon Barnett (Australia), Virginia R. Burkett (USA), Rongshuo Cai (China), Monalisa Chatterjee (USA/India), Stewart J. Cohen (Canada), Wolfgang Cramer (Germany/France), Purnamita Dasgupta (India), Debra J. Davidson (Canada), Fatima Denton (Gambia), Petra Döll (Germany), Kirstin Dow (USA), Yasuaki Hijioka (Japan), Ove Hoegh-Guldberg (Australia), Richard G. Jones (UK), Roger N. Jones (Australia), Roger L. Kitching (Australia), R. Sari Kovats (UK), Patricia Romero Lankao (Mexico), Joan Nymand Larsen (Iceland), Erda Lin (China), David B. Lobell (USA), Iñigo J. Losada (Spain), Graciela O. Magrin (Argentina), José A. Marengo (Brazil), Anil Markandya (Spain), Bruce A. McCarl (USA), Roger F. McLean (Australia), Linda O. Mearns (USA), Guy F. Midgley (South Africa), Nobuo Mimura (Japan), John F. Morton (UK), Isabelle Niang (Senegal), Ian R. Noble (Australia), Leonard A. Nurse (Barbados), Karen L. O’Brien (Norway), Taikan Oki (Japan), Lennart Olsson (Sweden), Michael Oppenheimer (USA), Jonathan T. Overpeck (USA), Joy J. Pereira (Malaysia), Elvira S. Poloczanska (Australia), John R. Porter (Denmark), Hans-O. Pörtner (Germany), Michael J. Prather (USA), Roger S. Pulwarty (USA), Andy R. Reisinger (New Zealand), Aromar Revi (India), Oliver C. Ruppel (Namibia), David E. Satterthwaite (UK), Daniela N. Schmidt (UK), Josef Settele (Germany), Kirk R. Smith (USA), Dáithí A. Stone (Canada/South Africa/USA), Avelino G. Suarez (Cuba), Petra Tschakert (USA), Riccardo Valentini (Italy), Alicia Villamizar (Venezuela), Rachel Warren (UK), Thomas J. Wilbanks (USA), Poh Poh Wong (Singapore), Alistair Woodward (New Zealand), Gary W. Yohe (USA) APPROVED SPM – Copyedit Pending IPCC WGII AR5 Summary for Policymakers
WGII AR5 Phase I Report Launch 2 31 March 2014 CONTENTS OF THE SUMMARY FOR POLICYMAKERS Assessing and managing the risks of climate change Background Box SPM.1. Context for the assessment Background Box SPM.2. Terms central for understanding the summary Background Box SPM.3. Communication of the degree of certainty in assessment findings
Section A: Observed impacts, vulnerability, and adaptation in a complex and changing world A-1. Observed impacts, vulnerability, and exposure A-2. Adaptation experience A-3. The decision-making context
Section B: Future risks and opportunities for adaptation B-1. Key risks across sectors and regions Assessment Box SPM.1. Human interference with the climate system B-2. Sectoral risks and potential for adaptation B-3. Regional key risks and potential for adaptation Assessment Box SPM.2. Regional key risks
Section C: Managing future risks and building resilience C-1. Principles for effective adaptation C-2. Climate-resilient pathways and transformation
Supplementary material APPROVED SPM – Copyedit Pending IPCC WGII AR5 Summary for Policymakers
WGII AR5 Phase I Report Launch 3 31 March 2014 ASSESSING AND MANAGING THE RISKS OF CLIMATE CHANGE Human interference with the climate system is occurring,1 and climate change poses risks for human and natural systems (Figure SPM.1). The assessment of impacts, adaptation, and vulnerability in the Working Group II contribution to the IPCC’s Fifth Assessment Report (WGII AR5) evaluates how patterns of risks and potential benefits are shifting due to climate change. It considers how impacts and risks related to climate change can be reduced and managed through adaptation and mitigation. The report assesses needs, options, opportunities, constraints, resilience, limits, and other aspects associated with adaptation.
Climate change involves complex interactions and changing likelihoods of diverse impacts. A focus on risk, which is new in this report, supports decision-making in the context of climate change, and complements other elements of the report. People and societies may perceive or rank risks and potential benefits differently, given diverse values and goals.
Compared to past WGII reports, the WGII AR5 assesses a substantially larger knowledge base of relevant scientific, technical, and socioeconomic literature. Increased literature has facilitated comprehensive assessment across a broader set of topics and sectors, with expanded coverage of human systems, adaptation, and the ocean. See Background Box SPM.1.2