高英Lesson 3 At War with the Planet_第1页
高英Lesson 3 At War with the Planet_第2页
高英Lesson 3 At War with the Planet_第3页
高英Lesson 3 At War with the Planet_第4页
高英Lesson 3 At War with the Planet_第5页
已阅读5页,还剩49页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

Lesson3,AtWarwiththePlanet,.,工业城市里高耸的烟囱,空气污染,.,河道里堆满了人们的生活垃圾,水污染,.,美丽的“西湖水”,.,取水口因黄河的水污染停止取水。华夏的母亲河?,.,2009年8月25日,印度博帕尔的一名小女孩蹲在雨中。雨水渗透含有碳化物的地表,进入地下水系,当地3万多名群众遭受着地下水污染的威胁。,.,杀戮不曾停止,.,2010年3月25日,云南。当地居民在“污水池”中取水。干旱+水污染=?,.,2010年8月7日,甘肃舟曲特大泥石流,.,北京,人们堵在路上。,.,I.BackgroundInformation,.,Author,BarryCommoner(1917-)(bornMay28,1917)isanAmericanbiologist,collegeprofessor,andeco-socialist.HewasalsoeditorofScienceIllustrated(科学画报)magazine.,.,CommonerwasborninBrooklyn.HereceivedhisbachelorsdegreeinzoologyfromColumbiaUniversity(1937)andhismastersanddoctoraldegreesfromHarvardUniversity(1938,1941).AfterservingintheUSNavyduringWWII,hemovedtoSt.LouiswherebecameaprofessorofplantphysiologyatWashingtonUniversity.Hetaughttherefor34yearsandduringthisperiod,in1966,hefoundedtheCenterfortheBiologyofNaturalSystemstostudy“thescienceofthetotalenvironment”.,.,Inthelate1950s,Commonerbecamewell-knownforhisoppositiontonucleartesting.Hewentontowriteseveralbooksaboutthenegativeecologicaleffectsofabove-groundnucleartesting.His1971bookTheClosingCirclesuggestedaleft-wing,eco-socialistresponsetothelimitstogrowththesis,postulatingthatcapitalisttechnologieswerechieflyresponsibleforenvironmentaldegradation(恶化),asopposedtopopulationpressures.,.,Hebelievedthattechnological,andaboveallsocialdevelopmentwouldleadtoanaturaldecreaseinbothpopulationgrowthandenvironmentaldamage.CommonercriticizedRonaldReaganandGeorgeBushforregulatingpollutionandnotpreventingit.,.,HisWorkings,ScienceandSurvival.1966.TheClosingCircle:Nature,Man,andTechnology.1971.ThePovertyofPower:EnergyandtheEconomicCrisis.1976.ThePoliticsofEnergy.1979.MakingPeaceWiththePlanet.1990.,.,Culturalnotes,ThreeMileIsland(1979)三里岛事件,.,TheaccidentattheThreeMileIslandUnit2(TMI-2)nuclearpowerplantnearMiddletown,Pennsylvania,onMarch28,1979,wasthemostseriousinU.S.commercialnuclearpowerplantoperatinghistory,eventhoughitledtonodeathsorinjuriestoplantworkersormembersofthenearbycommunity.,.,Butitbroughtaboutsweepingchangesinvolvingemergencyresponseplanning,reactoroperatortraining,humanfactorsengineering,radiationprotection,andmanyotherareasofnuclearpowerplantoperations.ItalsocausedtheU.S.NuclearRegulatoryCommissiontotightenandheightenitsregulatoryoversight(疏忽).,.,1979年3月28日凌晨4时,美国宾夕法尼亚州的三里岛核电站第二组反应堆的操作室里,红灯闪亮,汽笛报警,涡轮机停转,堆心压力和温度骤然升高。2小时后,大量放射性物质溢出。6天以后,堆心温度才开始下降,蒸气泡消失-引起氢爆炸的威胁免除了。100吨铀燃料虽然没有熔化,但有60的铀棒受到损坏,反应堆最终陷于瘫痪。事故发生后,全美震惊,核电站附近约20万居民撤出这一地区。在过去的30年间,三里岛事件成为不再进行新核能建筑开发的理由,全部核能的开发速度也大大放缓。,.,TheChernobylDisaster(1986)乌克兰切尔诺贝利核电站事故,史上最严重的核反应事故发生地。1986年4月26日,乌克兰切尔诺贝利核反应堆爆炸,核反应炉熔毁,大量辐射能排放到大气中,导致原子尘污染。污染还扩散到了西部国家,从当时的苏联到接近欧洲,数以万计的儿童被诊断为甲状腺癌,核反应爆炸区近20英里范围至今仍被封锁。4号反应堆被人们用巨大的石棺密封起来,这是个漫长的核退散过程。,.,OnApril25-26th,1986,theWorldsworstnuclearpoweraccidentoccurredatChernobylintheformerUSSR(nowUkraine).TheChernobylnuclearpowerplantlocated80milesnorthofKievhad4reactors(核反应堆)andwhiletestingreactornumber4numeroussafetyproceduresweredisregarded.At1:23amthechainreactioninthereactorbecameoutofcontrolcreatingexplosionsandafireballwhichblewoffthereactorsheavysteelandconcretelid.,.,TheChernobylaccidentkilledmorethan30peopleimmediately,andasaresultofthehighradiationlevelsinthesurrounding20-mileradius(半径),13500peoplehadtobeevacuated(撤离,疏散).,.,800年:专家称消除切尔诺贝利核泄事故漏后遗症需800年;9.3万人:20年前的切尔诺贝利核电站事故造成致癌死亡人数约为9.3万人左右;27万人:27万人因切尔诺贝利核泄漏事故患上癌症,其中致死9.3万人;34万人:核泄漏事故发生后,前苏联立即疏散了11万多人,随后数年,又从污染严重地区搬迁了23万人,前后共疏散34万余人;,.,1984年12月2日深夜,联合碳化物公司(UnionCarbide)位于印度博帕尔的杀虫剂制造厂发生事故,45吨有毒化学成分从设备中泄露出来。数小时内上千人因此丧命。在接下来的数月时间里,又有1.5万人中毒身亡,近50万人不同程度受影响。受影响的人当中大多数人失明、器官坏死或是有其他身体故障。受污染区域中出生的婴儿,大多数也存在不同程度的问题和生理缺陷。1989年联合碳化物公司赔偿5亿美元给受害者们,这笔赔偿金都不够受害人10年的治疗费用。博帕尔仍是全球工业泄露灾难的重症区。,WhathappenedinBhopal(印度博帕尔)?,.,OnthenightofDec.2ndand3rd,1984,aUnionCarbideplantinBhopal,India,beganleaking27tonsofthedeadlygas.Noneofthesixsafetysystemsdesignedtocontainsuchaleakwereoperational,allowingthegastospreadthroughoutthecityofBhopal.Halfamillionpeoplewereexposedto(暴露于,接触到)thegasand20,000havediedtodateasaresultoftheirexposure.,.,Morethan120,000peoplestillsufferfromailmentscausedbytheaccidentandthesubsequentpollutionattheplantsite.Theseailmentsincludeblindness,extremedifficultyinbreathing,andgynecological(妇科的)disorders.ThesitehasneverbeenproperlycleanedupanditcontinuestopoisontheresidentsofBhopal.,.,II.AbouttheEssay,.,MakingPeaceWiththePlanetisa1990bookbyBarryCommoner.Commonerarguesthat,despitebillionsofdollarsspenttosavetheenvironment,Americaisstillinadeepenvironmentalcrisis.Thebookarguesthatenvironmentalpollutioncanbepreventedonlythroughfundamentalredesignofthewayweproducegoods.,.,FourLawsofEcology,1.EverythingisConnectedtoEverythingElse.Thereisoneecosphereforalllivingorganismsandwhataffectsone,affectsall.2.EverythingMustGoSomewhere.Thereisno“waste”innatureandthereisno“away”towhichthingscanbethrown.,.,3.NatureKnowsBest.Humankindhasfashionedtechnologytoimproveuponnature,butsuchchangeinanaturalsystemis,saysCommoner,“likelytobedetrimentaltothatsystem.”4.ThereIsNoSuchThingasaFreeLunch.Exploitationofnaturewillinevitablyinvolvetheconversionofresourcesfromusefultouselessforms.,.,Outline,Part1(para.1):,introduction-theme,whythetwoworldsareatwar,1stlawoftheecosphere-man-madeobjectandsurrounding,theclosedcyclicalprocessofecospheresuchimagelullsusintocomplacency.,.,5.Thetechnospherehasbecomegoverntheecosphere.(Para.5),Humanactivitieshavetakenplaceoversuchlargeareasandwithsuchintensitythattheyhavealreadycauseddisastrouseffectsonecology.,.,6.Indeed,intheevolutionarysense,itfittedproperlyintothepreexistingsystem.(Para.6),Thefishcouldplayitsrolebecauseitbecameanecessarylinkwiththeprocessesprecedingitandtheprocessesfollowingitintheecologicalsystem.,.,7.Acar,forexample,imposesitselfbeingdefinedbyit.(Para.7),Acardoesnotrespondtoitsenvironmentbutinsistsonitsownneedsbeingmet.,.,8.Yieldrose,butnotinproportiontotherateoffertilizerapplication(Para.9),Thefarmersappliedmoreandmorechemicalfertilizer,butproductiondidnotincreaseatthesamerate.,.,9.theirwasteisflushedintothesewersystematatreatmentplant(Para.11),People,afterdigestion,excretethewastewhichisflushedintothesewersystem.Thesewagegetstoatreatmentplantwhichmodifiesit,butitisstillwasteafterbeingprocessed.Thewastedoesnotreenterthelifecyclebutdisturbsthenaturalprocesseswhereveritisdumped.,.,10.Lefttotheirowndevices,ecosystemsareconservative(Para.12),Iftheecosystemsarenotupsetbyoutsideintrusion,theywillremainthesamewithverylittlechange.,tobefreetodoasonewishes,.,11.Incontrasttotheecosphere,changeandvariation.(Para.13),Thecharacteristicsoftheobjectsandmaterialsinthetechnospherearerapidchangeandgreatvariety.,.,12.ModelTFord(Para.13),Inthe1920s.HenryFordadaptedtheassemblylineandtheconveyorbelttocarproductionandturnedoutcarsofastandardizedmodel,thefamousModelTFord.,.,By1925hewasproducingacarevery10secondsandtheModelTcouldbeboughtforonly$290.HenryFordgavetheAmericanpeoplethefirstmass-producedcar.,HenryFord与ModelT,.,13.Nylon,forexample,unlike,isnotbiodegradable-thatis,thereisnothatcanbreakitdown.(Para.13),翻:例如尼龙,它不会像纤维素那样的天然聚合物一样可以进行生物分解-也就是说,在现存的有机生物中还没有发现哪种酶可以分解尼龙。,.,14.Regardedonlyasafailurethatdestroytheplant.(Para.15),IfyouregardthedisasteratChernobylasatechnicalmatter,thenthedisastercanbeseenasthedestructionofthenuclearplantbyafire.,.,15.Inthetechnosphere,debtsarerepaidfromwithinand,canceled.

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论