城市规划专业英语(3)PPT推荐.ppt

城市规划专业英语(3)PPT推荐.ppt

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ProfessionalEnglishofUrbanPlanningLecturer:

@#@PENGLihua,LillianaEmail:

@#@CollegeofArchitecture,NJUTTEDtalkTEDisanonprofitdevotedtoIdeasWorthSpreading.Itstartedoutin1984asaconferencebringingtogetherpeoplefromthreeworlds:

@#@Technology,Entertainment,Design.Lateronthetopichasbeenextendedtoscience,business,thearts,technologyandtheglobalissuesfacingourworld.TEDconferencesbringtogethertheworldsmostfascinatingthinkersanddoers,whoarechallengedtogivethetalkoftheirlives（in18minutesorless）.OnTED.com,thebesttalksandperformancesfromTEDandpartnersavailabletotheworldareprovided,forfree.Morethan1500TEDTalksarenowavailable,withmoreaddedeachweek.http:

@#@/changeisalreadyaheavytopic,anditsgettingheavierbecausewereunderstandingthatweneedtodomorethanweare.Wereunderstanding,infact,thatthoseofuswholiveinthedevelopedworldneedtobereallypushingtowardseliminatingouremissions.TheshareablefutureofcitiesIwontshowyouverymanygraphstoday,butifIcanjustfocusonthisoneforamoment,itreallytellsusalotofwhatweneedtoknow-whichis,quitesimply,thatifyoulook,forexample,attransportation,amajorcategoryofclimateemissions,thereisadirectrelationshipbetweenhowdenseacityisandtheamountofclimateemissionsthatitsresidentsspewoutintotheair.Andthecorrelation,ofcourse,isthatdenserplacestendtohaveloweremissions-whichisntreallyallthatdifficulttofigureout,ifyouthinkaboutit.TheshareablefutureofcitiesBasically,wesubstitute,inourlives,accesstothethingswewant.Wegooutthereandwehopinourcarsandwedrivefromplacetoplace.Andwerebasicallyusingmobilitytogettheaccessweneed.Butwhenweliveinadensercommunity,suddenlywhatwefind,ofcourse,isthatthethingsweneedarecloseby.Andsincethemostsustainabletripistheonethatyouneverhadtomakeinthefirstplace,suddenlyourlivesbecomeinstantlymoresustainable.Anditispossible,ofcourse,toincreasethedensityofthecommunitiesaroundus.TheshareablefutureofcitiesSomeplacesaredoingthiswithnewecodistricts,developingwholenewsustainableneighborhoods,whichisniceworkifyoucangetit,butmostofthetime,whatweretalkingaboutis,infact,reweavingtheurbanfabricthatwealreadyhave.Soweretalkingaboutthingslikeinfilldevelopment:

@#@reallysharplittlechangestowherewehavebuildings,whereweredeveloping.Urbanretrofitting:

@#@creatingdifferentsortsofspacesandusesoutofplacesthatarealreadythereTheshareablefutureofcitiesUrbanretrofitting:

@#@creatingdifferentsortsofspacesandusesoutofplacesthatarealreadythere.Increasingly,wererealizingthatwedontevenneedtodensifyanentirecity.Whatweneedinsteadisanaveragedensitythatrisestoalevelwherewedontdriveasmuchandsoon.Andthatcanbedonebyraisingthedensityinveryspecificspotsawholelot.TheshareablefutureofcitiesIncreasingly,wererealizingthatwedontevenneedtodensifyanentirecity.Whatweneedinsteadisanaveragedensitythatrisestoalevelwherewedontdriveasmuchandsoon.Andthatcanbedonebyraisingthedensityinveryspecificspotsawholelot.Soyoucanthinkofitastentpolesthatactuallyraisethedensityoftheentirecity.TheshareablefutureofcitiesNowallofthesearefineprojects,buttheyreallyhavemissedanessentialpoint,whichisitsnotabouttheleavesabove,itsaboutthesystemsbelow.Dothey,forinstance,capturerainwatersothatwecanreducewateruse?

@#@Waterisenergyintensive.Dothey,perhaps,includegreeninfrastructure,sothatwecantakerunoffandwaterthatsgoingoutofourhousesandcleanitandfilteritandgrowurbanstreettrees?

@#@TheshareablefutureofcitiesDotheyconnectusbacktotheecosystemsaroundusby,forexample,connectingustoriversandallowingforrestoration?

@#@Dotheyallowforpollination,pollinatorpathwaysthatbeesandbutterfliesandsuchcancomebackintoourcities?

@#@Dotheyeventaketheverywastematterthatwehavefromfoodandfiberandsoforth,andturnitbackintosoilandsequestercarbon-takecarbonoutoftheairintheprocessofusingourcities?

@#@TheshareablefutureofcitiesBecauserightnow,oureconomybyandlargeoperatesasPaulHawkensaid,bystealingthefuture,sellingitinthepresentandcallingitGDP.Andifwehaveanothereightbillionorsevenbillion,orsixbillion,even,people,livingonaplanetwheretheircitiesalsostealthefuture,weregoingtorunoutoffuturereallyfast.Butifwethinkdifferently,Ithinkthat,infact,wecanhavecitiesthatarenotonlyzeroemissions,buthaveunlimitedpossibilitiesaswell.