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1、haveacommitmentlikeyours,buttheydonotbelievetheyhavethepowertodoanythingtoimproveourenvironment.Thatisnottrue.Together,individualscanmakeadifference.Wedonothavetoputupwithpollution. Thegrowthofthegreenhousegas,carbondioxideintheairactuallycomesasaresultofmanythingswedo
2、everyday.Hereareafewsuggestionsonhowtoreduceit.Theyshouldgetyoustartedwithyourproject. Weusealotofenergyinourhouses.ItisOKtoleaveanelectricalapplianceonsolongasyouareusingit—ifnot,turnitoff!Donotbecasualaboutthis.Soifyouarenotusingthelights,theTV,thecomputer,andsoon,tu
3、rnthemoff.Ifyouarecold,putonmoreclothesinsteadofturninguptheheat. Motorvehiclesusealotofenergy–sowalkorrideabikeifyoucan. Recyclecans,bottles,plasticbagsandnewspapersifcircumstancesallowyouto.Ittakesalotofenergytomakethingsfromnewmaterials,so,ifyoucan,buythingsmadefrom
4、recycledmaterials. Getyourparentstobuythingsthatareeconomicalwithenergy—thisincludescarsaswellassmallerthingslikefridgesandmicrowaves. Planttreesinyourgardenoryourschoolyard,astheyabsorbcarbondioxidefromtheairandrefreshyourspiritwhenyoulookatthem. Finallyandmostimporta
5、ntly,beaneducator.Talkwithyourfamilyandfriendsaboutglobalwarmingandtellthemwhatyouhavelearned. Remember—yourcontributioncounts! EarthCare Unit5 ANEXCITINGJOB Ihavethegreatestjobintheworld.Itraveltounusualplacesandworkalongsidepeoplefromallovertheworld.Sometimesworkingo
6、utdoors,sometimesinanoffice,sometimesusingscientificequipmentandsometimesmeetinglocalpeopleandtourists,Iamneverbored.Althoughmyjobisoccasionallydangerous,Idon’tmindbecausedangerexcitesmeandmakesmefeelalive.However,themostimportantthingaboutmyjobisthatIhelpprotectordina
7、rypeoplefromoneofthemostpowerfulforcesonearth—thevolcano. IwasappointedasavolcanologistworkingfortheHawaiianVolcanoObservatory(HVO)twentyyearsago.MyjobiscollectinginformationforadatabaseaboutMountKilauea,whichisoneofthemostactivevolcanoesinHawaii.Havingcollectedandeval
8、uatedtheinformation,Ihelpotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.Ourworkhassavedmanyliv
