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1、whohaveacommitmentlikeyours,buttheydonotbelievetheyhavethepowertodoanythingtoimproveourenvironment.Thatisnottrue.Together,individualscanmakeadifference.Wedonothavetoputupwithpollution.?Thegrowthofthegreenhousegas,carbondioxideintheairactuallycomesasaresulto
2、fmanythingswedoeveryday.Hereareafewsuggestionsonhowtoreduceit.Theyshouldgetyoustartedwithyourproject.?Weusealotofenergyinourhouses.ItisOKtoleaveanelectricalapplianceonsolongasyouareusingit—ifnot,turnitoff!Donotbecasualaboutthis.Soifyouarenotusingthelights,t
3、heTV,thecomputer,andsoon,turnthemoff.Ifyouarecold,putonmoreclothesinsteadofturninguptheheat.?Motorvehiclesusealotofenergy–sowalkorrideabikeifyoucan.?Recyclecans,bottles,plasticbagsandnewspapersifcircumstancesallowyouto.Ittakesalotofenergytomakethingsfromnew
4、materials,so,ifyoucan,buythingsmadefromrecycledmaterials.?Getyourparentstobuythingsthatareeconomicalwithenergy—thisincludescarsaswellassmallerthingslikefridgesandmicrowaves.?Planttreesinyourgardenoryourschoolyard,astheyabsorbcarbondioxidefromtheairandrefres
5、hyourspiritwhenyoulookatthem.?Finallyandmostimportantly,beaneducator.Talkwithyourfamilyandfriendsaboutglobalwarmingandtellthemwhatyouhavelearned.?Remember—yourcontributioncounts!?EarthCare?Unit5?ANEXCITINGJOB?Ihavethegreatestjobintheworld.Itraveltounusualpl
6、acesandworkalongsidepeoplefromallovertheworld.Sometimesworkingoutdoors,sometimesinanoffice,sometimesusingscientificequipmentandsometimesmeetinglocalpeopleandtourists,Iamneverbored.Althoughmyjobisoccasionallydangerous,Idon’tmindbecausedangerexcitesmeandmakes
7、mefeelalive.However,themostimportantthingaboutmyjobisthatIhelpprotectordinarypeoplefromoneofthemostpowerfulforcesonearth—thevolcano.?IwasappointedasavolcanologistworkingfortheHawaiianVolcanoObservatory(HVO)twentyyearsago.Myjobiscollectinginformationforadata
8、baseaboutMountKilauea,whichisoneofthemostactivevolcanoesinHawaii.Havingcollectedandevaluatedtheinformation,Ihelpotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.Ourworkhassavedmany
