温室效应英语演讲定义原因影响解决方法新能源省公共课一等奖全国赛课获奖课件.pptx

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1、第1页Greenhouse Effect第2页第3页Thegreenhouse effectisaprocessbywhichthermalradiation（热辐射）fromaplanetarysurfaceisabsorbedbyatmosphericgreenhousegases,andisre-radiatedinalldirections.第4页Sincepartofthisre-radiationisbacktowardsthesurfaceandtheloweratmosphere,itresultsinanelevationoftheaveragesurfacetemperat

2、ureabovewhatitwouldbeintheabsenceofthegases.第5页第6页Large Population第7页Industry第8页AutomobileExhaust第9页Forests Keep Disappearing第10页Withmoregreenhousegasesreleasedtotheatmosphereduetohumanactivity,moreinfraredradiationwillbetrappedintheEarthssurfacewhichcontributestotheEnhancedGreenhouseEffect第11页第12页T

3、emperatureSincethelate19thcentury,theaverageglobaltemperaturehasincreasedbetween0.3Cand0.6C.Internationally.第13页Aworldwidegreenhouseeffectmightproduceadangerouslywarmerworld.第14页Desertification第15页Theeffectsofglobalwarmingcanhavemanyunforeseensideeffects.AnimalCollectivedeath第16页Rising Sea LevelsThe

4、otherseriousworryisthatrisingsealevelsfromthemeltingofthepolaricecapscouldseverelyfloodmanycountries.Ariseinsealevelsofonemeter,whichmanyexpertsarepredictingbytheyear2100,wouldflood15%ofEgypt,and12%ofBangladesh（孟加拉）.TheMaldives（马尔代夫）intheIndianOceanwouldalmostcompletelydisappear.第17页Theviolenceandfr

5、equencyofhurricaneswillincreasewithglobalwarming.11.13NewYorkHurricaneSandySincetheindustrialrevolution,humanstepintotheatmosphereofcarbondioxideintosuchheat-trappinggreenhousegasessexstrongincreasedyearbyyear,atmosphericgreenhouseeffectalsoincreaseconsequently,hasarousedglobalwarmingandsoonaserieso

6、fseriousproblems,causedtheworldsattention.第18页第19页CaptureburiedtechnologyImproveenergyefficiencyCleanenergyInfluxfromParisdesignstudiohasbeingdesignedthenovelbiomimetictreestoabsorbcarbondioxideMaglevtrain，shanghai第20页GeothermalpowerfieldGeothermalpoweristheuseofundergroundhotwaterandsteamasapowerso

7、urceforanewpowergenerationtechnologies.第21页Hydrogenfuel第22页SolarpowerplantInSpainCoveringanareaoftwosquarekilometersPowersupplyfor50,000families，Thermalpowerplantofthesamegeneratingcapacitywillbe18milliontonsofcarbondioxideemissions第23页TheBritishestablishedtheworldslargestwindpowerstation,thepowerpl

8、antcanpower750,000homesWindpowerstation第24页TidalenergypowerplantPortugaltoestablishtheworldsfirsttidalpowerstations,powerplantscanprovidesufficientenergyfor15,000households第25页IndianhumanexcretaisusedtogenerateelectricityandprovideelectricityforstreetlightsBiogasplants第26页ChinasThreeGorgesDamisthela

9、rgesthydroelectricpowerstationintheworld,thetotalgeneratingcapacityofitstotalgeneratingcapacityequivalentto22largecoal-firedpowerstationHydroelectricpowerstations第27页NuclearPowerPlantAsoftheendof,theworldwidenuclearpowertorunatotalofmorethan440units,powergenerationaccountsforabout16%ofthetotalworldelectricitygeneration第28页weshouldusemorecleanenergyandlesscoalandoil.Andweshouldgotoworkonfootorbybusinsteadofdrivingacarifpossible.Letsbegintostart,energysavingandenvironmentprotecting,protectuptooursurvivalhomeland!第29页Thank you!第30页

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