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1、PassageOneI'lladmitI'veneverquiteunderstoodtheobsession（难以破除的成见）surroundinggeneticallymodified(GM)crops.Toenvironmentalistopponents,GMfoodsaresimplyevil,anunderstudied,possiblyharmfultoolusedbybigagriculturalbusinessestocontrolglobalseedmarketsandcrushlocal
2、farmers.TheyarguethatGMfoodshaveneverdeliveredontheirsupposedpromise,thatmoneyspentonGMcropswouldbebetterchanneledtoorganicfarmingandthatconsumersshouldbeprotectedwithwarninglabelsonanyproductsthatcontaingeneticallymodifiedingredients.Tosupporters,GMcropsar
3、eakeypartoftheefforttosustainablyprovidefoodtomeetagrowingglobalpopulation.Butmorethanthat,supportersseetheGMoppositionofmanyenvironmentalistsasfundamentallyanti-science,nodifferentthanthosewhoquestionthebasicsofman-madeclimatechange.Forbothsides,GMfoodssee
4、mtoactasasymbol:you'repro-agriculturalbusinessoranti-science.ButscienceisexactlywhatweneedmoreofwhenitcomestoGMfoods,whichiswhyIwashappytoseeNaturedevoteaspecialseriesofarticlestotheGMfoodcontroversy.Theconclusion:whileGMcropshaven'tyetrealizedtheirinitialp
5、romiseandhavebeendominatedbyagriculturalbusinesses,thereisreasontocontinuetouseanddevelopthemtohelpmeettheenormouschallengeofsustainablyfeedingagrowingplanet.Thatdoesn'tmeanGMcropsareperfect,oraone-size-fits-allsolutiontoglobalagricultureproblems.Butanythin
6、gthatcanincreasefarmingefficiency一theamountofcropswecanproduceperacreofland一willbeextremelyuseful.GMcropscanandalmostcertainlywillbepartofthatsuiteoftools'butsowilltraditionalplantbreeding,improvedsoilandcropmanagement一andperhapsmostimportantofall,bettersto
7、rageandtransportinfrastructure（基础设施）,especiallyinthedevelopingworld.(Itdoesn'tdomuchgoodforfarmersinplaceslikesub-SaharanAfricatoproducemorefoodiftheycan'tgetittohungryconsumers.)I'dliketoseemorenon-industryresearchdoneonGMcrops—notjustbecausewe'dworrylessa
8、boutbias,butalsobecauseseedcompanieslikeMonsantoandPioneershouldn'tbetheonlyentitiesworkingtoharnessgeneticmodification.I'dliketoseeGMresearchonlesscommercialcrops,likecom.Idon'tthinkit'svitaltolabelGM
