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1、EuropeanUnionenvironmentalofficialshavedeterminedthattwokindsofgeneticallymodifiedcorncouldharmbutterflies,affectfoodchainsanddisturblifeinriversandstreams,andtheyhaveproposedabanonthesaleoftheseeds,whicharemadebyDuPontPioneer,DowAgrosciencesandSyngenta.Thepreliminarydecisionsarecirculatingwithin
2、theEuropeanCommission,whichhasthefinalsay.SomeofficialsthereareskepticalofabanthatwouldupsetthepowerfulbiotechnologyindustryandcouldexacerbatetensionswithimportanttradingpartnersliketheUnitedStates.TheseedsarenotavailableontheEuropeanmarketforcultivation. Inthedecisions,theenvironmentcommissione
3、r,StavrosDimas,contendsthatthegeneticallymodifiedcorn,ormaizecouldaffectcertainbutterflyspecies,specificallythemonarch,andotherbeneficialinsects.Forinstance,researchthisyearindicatesthatlarvaeofthemonarchbutterflyexposedtothegeneticallymodifiedcorn''behavedifferentlythanotherlarvae.''Inthedecisio
4、nconcerningthecornseedsproducedbyDowandPioneer,Mr.Dimascalls''potentialdamageontheenvironmentirreversible.''InthedecisiononSyngenta'scorn,hesaysthat''thelevelofriskgeneratedbythecultivationofthisproductfortheenvironmentisunacceptable.'' AdecisionbytheEuropeanUniontobarcultivationofthegenetically
5、modifiedcropswouldbethefirstofitskindinthetradebloc,andwouldintensifythecontinuingbattleovergeneticallymodifiedcorn.BanningtheapplicationsforcorncropsalsowouldmarkaboldnewstepforEuropeanenvironmentalauthorities,whoarealreadyaggressivelypursuingregulationsonemissionsfromcarsandaircraft,settingitat
6、oddswiththeUnitedStatesandangeringindustries. ''TheseproductshavebeengrownintheU.S.andothercountriesforyears,''saidStephenNorton,aspokesmanfortheUnitedStatestraderepresentative.''Wearenotawareofanyothercasewhenaproducthasbeenrejectedafterhavingbeenreviewedanddeterminedsafe''byEuropeanfoodsafetya
7、uthorities,hesaid. BarbaraHelfferich,aspokeswomanforMr.Dimas,declinedtocommentonthespecificsoftheprocedurebecausecommissionershadnotyetmadeafinaldecision.ButshesaidthattheEuropeanUnionwaswithinitsrightstomakedecisions
