index indexing of documentation indigenous knowledge indigenous technology
individual wastewater treatment indoor air pollution indoor environment industrial activity
industrial area industrial association industrial building industrial crop
industrial dump industrial economics industrial effluent industrial emission
industrial environmental policy industrial equipment industrial installation industrial legislation
industrial manufacturing industrial material industrial medicine industrial noise
industrial planning industrial plant industrial pollution industrial processes
industrial production statistics industrial safety industrial site industrial sludge
industrial society industrial structure industrial waste industrial waste gas
industrial waste water industrial wasteland industrial zoning industrialisation
inert waste infestation of crops infestation of food infiltration
inflammable substance inflow informal negotiation informatics
information information clearing-house information exchange information infrastructure
information kit information network information source information system
information technology industry information transfer infraction infrared radiation
infrasound inhabitant initial training inland fishery
inland navigation inland waterways transport inorganic chemistry inorganic compounds
inorganic fertiliser inorganic pollutant insectivores insects
insoluble substance inspection of records installation requiring approval installation restoration
institutional activity institutional structure institutionalisation instrument manufacture
Algunos ejemplos : Resolución judicial   Refugiados   Escuela primaria   Agricultura ecológica   Tratamiento del cáncer