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