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1、whohaveacommitmentlikeyours,buttheydonotbelievetheyhavethepowertodoanythingtoimproveourenvironment.Thatisnottrue.Together,individualscanmakeadifference.Wedonothavetoputupwithpollution. Thegrowthofthegreenhousegas,carbondioxideintheairactuallycomesasaresultofmanything
2、swedoeveryday.Hereareafewsuggestionsonhowtoreduceit.Theyshouldgetyoustartedwithyourproject. Weusealotofenergyinourhouses.ItisOKtoleaveanelectricalapplianceonsolongasyouareusingit—ifnot,turnitoff!Donotbecasualaboutthis.Soifyouarenotusingthelights,theTV,thecomputer,and
3、soon,turnthemoff.Ifyouarecold,putonmoreclothesinsteadofturninguptheheat. Motorvehiclesusealotofenergy–sowalkorrideabikeifyoucan. Recyclecans,bottles,plasticbagsandnewspapersifcircumstancesallowyouto.Ittakesalotofenergytomakethingsfromnewmaterials,so,ifyoucan,buything
4、smadefromrecycledmaterials. Getyourparentstobuythingsthatareeconomicalwithenergy—thisincludescarsaswellassmallerthingslikefridgesandmicrowaves. Planttreesinyourgardenoryourschoolyard,astheyabsorbcarbondioxidefromtheairandrefreshyourspiritwhenyoulookatthem. Finallyand
5、mostimportantly,beaneducator.Talkwithyourfamilyandfriendsaboutglobalwarmingandtellthemwhatyouhavelearned. Remember—yourcontributioncounts! EarthCare Unit5 ANEXCITINGJOB Ihavethegreatestjobintheworld.Itraveltounusualplacesandworkalongsidepeoplefromallovertheworld.Some
6、timesworkingoutdoors,sometimesinanoffice,sometimesusingscientificequipmentandsometimesmeetinglocalpeopleandtourists,Iamneverbored.Althoughmyjobisoccasionallydangerous,Idon’tmindbecausedangerexcitesmeandmakesmefeelalive.However,themostimportantthingaboutmyjobisthatIhe
7、lpprotectordinarypeoplefromoneofthemostpowerfulforcesonearth—thevolcano. IwasappointedasavolcanologistworkingfortheHawaiianVolcanoObservatory(HVO)twentyyearsago.MyjobiscollectinginformationforadatabaseaboutMountKilauea,whichisoneofthemostactivevolcanoesinHawaii.Havin
8、gcollectedandevaluatedtheinformation,Ihelpotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.Ourworkhassavedmany
