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1、ResearchArticleReceived:13October2011Revised:27March2012Accepted:16April2012PublishedonlineinWileyOnlineLibrary:7June2012(wileyonlinelibrary.com)DOI10.1002/jsfa.5736EnvironmentalanalysisofthelogisticsofagriculturalproductsfromrooftopgreenhousesinMediterraneanurbanareasEstherSanye-Mengual,´a∗Ilea
2、naCeron-Palma,´a,bJordiOliver-Sola,`a,cJuanIgnacioMonteroa,dandJoanRieradevalla,eAbstractBACKGROUND:Asurbanpopulationsincreasesodoestheamountoffoodtransportedtocitiesworldwide,andinnovativeagro-urbansystemsarebeingdevelopedtointegrateagriculturalproductionintobuildings;forexample,byusingrooftopg
3、reenhouses(RTGs).Thispaperaimstoquantifyandcompare,throughalifecycleassessment,theenvironmentalimpactofthecurrentlinearsupplysystemwithaRTGsystembyusingacasestudyfortheproductionoftomatoes.RESULTS:ThemainresultsindicatethatachangefromthecurrentlinearsystemtotheRTGsystemcouldresultinareduction,pe
4、rkilogramoftomatoes(thefunctionalunit),intherangeof44.4–75.5%forthedifferentimpactcategoriesanalysed,andsavingsofupto73.5%inenergyrequirements.Thesesavingsareassociatedwithre-utilisationofpackagingsystems(55.4–85.2%),minimisationoftransportrequirements(7.6–15.6%)andreductionofthelossofproductdur
5、ingtransportationandretailstages(7.3–37%).CONCLUSIONS:TheRTGmaybecomeastrategicfactorinthedesignoflow-carboncitiesinMediterraneanareas.Short-termimplementationinthecityofBarcelonacouldresultinsavingsof66.1tonnesofCOeq.ha−1whenconsideringtheglobal2warmingpotential,andof71.03tha−1whenconsideringth
6、atthetransformationfromwoodlandtoagriculturallandisavoided.c2012SocietyofChemicalIndustryKeywords:roof-topgreenhouse;transport;agro-urbansystems;agrifoodsector;LCAINTRODUCTIONEnvironmentalstudiesinagri-fooddistributionsystemsCitiesplayakeyroleintheglobalenvironmentastheyareAgrifoodproductionare
7、asareusuallynotincloseproximitytodependentonexternalsourcesofenergyandgoods.1Moreover,cities.Thishasmadethedistributionofagriculturalproductsanurbanareascontain50.6%oftheworldspopulation,andithasareawherethereisconsiderableo
