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1、Goodmorningeveryone，I’mverygaldtogiveapresentationhere。TodaymytopicisLow-carbon.AftertheCopenhagenmeeting,low-carbonhasbecomeacatchwordintheChinesepopularmediaanddailyconversationofChinesepeople.Whatislow-carbon?(Low-carbonmeansalowerofgreenhousegasesemissions,speci
2、allyreferstothecarbondioxide.)Whydoweadvocatelow-carbon?Becauseofthedevelopmentoftheworldindustrialeconomy,thefastincreaseofpopulation,theunlimitedincreaseofthehumandesire,andtheunrestrainedproductionandlifestyle.ourenvironmentisbecomingmoreandmoreworse.Therefore,we
3、shouldprotectourearthwhichistheonlyonethatprovidethelivingenvironmentforhuman.soweshouldadvocatelow-carbon.Lowcarbontechnologies1、Windpower1)Windpowersuppliesroughlythesameamountofelectricity,andnewwindfacilitiesarebeingbuiltatarapidpace.Additional,thefuelcostforwin
4、diszero.2)Severalstudieshavefoundthatevenwhenthesemanufacturingwindturbines(风力涡轮机)andbuildingwindplantsareincluded,windenergy’sCO2emissionsarestillquitesmall.2、Solarpower1)TheamountofsolarenergythatreachestheUnitedStateseachyearisequivalenttoapproximately4,000timest
5、henation’stotalelectricpowerneeds,buttappingthatenergyhasbeenrelativelyexpensive.2)Costsforsolarphotovoltaic(PV)cellsare5to10timeshigherthanthoseofotherlow-carbontechnologies.3、Nuclearpower1)Nuclearpower'scapabilitytoaddsignificantlytofuturelowcarbonpowerdependsstro
6、nglyonseveralfactors,includingnewplantdesigns,nationalandregionalpolitics,fuelavailability,etc.TherearestillmanyLowcarbontechnologiessuchaswaterpower,Tidalpowerandsoon.4.tidalpowerHarnessingthetidesinabayorestuaryhasbeenachievedinFrance(since1966),CanadaandRussia,an
7、dcouldbeachievedinotherareaswithalargetidalrange.Thetrappedwaterturnsturbinesasitisreleasedthroughthetidalbarrageineitherdirection.WhatcanwedoforLowcarbonTherearemanythingswecandotoreducecarbonemission.1.Choosingthebicycles,bus,andsubwayinsteadofprivatecar2.takingab
8、agwithusinsteadofusingtheplastic3.Usingenergy-savingbulb4.usingbothsidesofthepaper5.Recyclingtheoldbattery6.TurningoffthepowersocketTimely
