简介：Worldcitiesarefacinggreaterexclusionandmarginalization.Arecentresearchstudyhasshownthatitisnotthelargemultinationalcompanies,butthesmallandmediumenterprises,andincreasinglythemicro-businesses,whichsucceedinprovidingthemuchneededemployment.Regardlessoftheirsociallevel,alargeportionofthepopulationindevelopingcountrieshasturnedtomicro-businessesinsearchofsurvival.Thedegreeofvulnerabilityofmicro-businessespushesthemtoseekouttheinformalsector,whichovertimebecomestheirmainobstacletogrowth.Therefore,theideaofviewingthe"informalcity"asanopportunitytosolvetheproblemofstructuralpoverty,ratherthanaproblemorathreattobeeradicated,issignificantforbuildinggenuineandtruly"global"cities.

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简介：ThewatersupplyandsanitationsysteminDaresSalaamfaUinawkwardconditioncausedbyseverewaste,poorinstallmenttechnology,inadequatecoverageandmaintenanceandlackofmodemsanitationmodels.FindingbothcentralauthoritiestechnicallyandeconomicaUyunabletoimproveit,localcitizengroupslookforaffordablewaysofimprovingthenecessaryinfrastructurethroughtheirownefforts.Whiletheirself-helpinitiativeshavebeensuccessful,theyurgentlyneedsupportininformationandtechnologyforbettersolutionsandproperuse.