| English | Spanish |
| Advisory committee of national representatives | Comité consultivo de representantes nacionales |
| Australian National Parks and Wildlife Service | Servicio australiano de parques nacionales y fauna |
| Department of Wildlife and National Parks | Ministerio de la Fauna y Parques Naturales |
| environmental management of open spaces and national heritage | gestión ecológica del entorno y del patrimonio |
| environmentally adjusted gross national product | producto interior neto ajustado en función del medio ambiente |
| environmentally adjusted national income | renta nacional ajustada en función del medio ambiente |
| Federation of European Nature and National Parks | Federación de Parques naturales y nacionales de Europe |
| gross national product Gross domestic product adjusted for foreign transactions, i.e. to the figure for Gross Domestic Product must be added any income accruing to residents of the country arising from investment and other factor earnings abroad and from it must be deducted any income earned in the domestic market by factors owned by foreigners abroad | producto nacional bruto |
| IPCC Guidelines for National Greenhouse Gas Inventories | directrices del IPCC para los inventarios nacionales de gases de efecto invernadero |
| Latin American Committee on National Parks | Comité Latinoamericano de Parques Nacionales |
| national accounting Organised method of recording all business transactions in the national economy | contabilidad nacional |
| National Authority for Alternative Energy | Ente nacional para la energía alternativa |
| National Biodiversity Institute | Instituto Nacional de Biodiversidad |
| national boundary | frontera nacional |
| national boundary The line demarcating recognized limits of established political units | frontera nacional |
| National Chemicals Inspectorate | Inspección Nacional de Productos Químicos |
| National Chemicals Inspectorate | Cuerpo de inspección química |
| national communication | comunicación nacional |
| national conservation programme | programa nacional de conservación |
| National Disaster Coordination Council | Consejo Coordinador de Catástrofes Nacionales |
| national economic costs The amount of money incurred as a result of the financial management of a nation's financial resources | coste de economía nacional |
| national economy A nation's financial resources and its financial management, with a view towards its productivity | economía nacional |
| national emission ceiling | límite máximo nacional |
| national environmental accounting | contabilidad ambiental nacional |
| national environmental accounting The collection and processing of financial information regarding the costs for ecological challenges or opportunities for nations or countries | contabilidad ambiental nacional |
| National Environmental Protection Agency | Administración Nacional de Protección del Medio Ambiente |
| national fire codes | normas nacionales de protección |
| national fire codes | normas preventivas |
| national fire codes | normativa nacional sobre incendios |
| national fire protection association | asociación nacional de protección contra incendios de EE. UU. |
| national fishing reserve | reserva nacional de la pesca |
| national fishing reserve Limited portion of a water body belonging to the State where angling is allowed | reserva nacional de la pesca |
| National Fund for Environmental Protection and Water Management | Fondo Nacional de Protección Ambiental y Administración del agua |
| National Fund for Protection of the Environment | Fondo Nacional de Protección Ambiental y Administración del agua |
| national greenhouse gas inventory | inventario nacional de las emisiones antropógenas por las fuentes y de la absorción por los sumideros de todos los gases de efecto invernadero no controlados por el Protocolo de Montreal |
| national historic park | sitio histórico nacional |
| National Hydrological Plan of Spain | plan hidrológico nacional |
| National Hydrological Plan of Spain | Plan Hidrológico Nacional Español |
| national information network | red nacional de información |
| National Institute for the Conservation of Nature | Instituto Nacional para la Conservación de la Naturaleza |
| national inventory of anthropogenic emissions by sources and removals by sinks of all greenhouse gases not controlled by the Montreal Protocol | inventario nacional de las emisiones antropógenas por las fuentes y de la absorción por los sumideros de todos los gases de efecto invernadero no controlados por el Protocolo de Montreal |
| national inventory report | informe sobre el inventario nacional |
| national inventory report | informe del inventario nacional |
| national legislation A binding rule or body of rules prescribed by the government of a sovereign state that holds force throughout the regions and territories within the government's dominion | legislación nacional e instituciones |
| National Licensing Board for Environment Protection | Comisión de concesiones para la protección del medio ambiente |
| National Meteorological Center | Centro Meteorológico Nacional |
| National Oceanic and Atmospheric Administration | Administración Nacional de la Atmósfera y de los Océanos |
| National Oceanic and Atmospheric Administration | Administración Nacional para el Océano y la Atmósfera |
| national park | reserva nacional |
| national park | parques nacionales |
| national park Areas of outstanding natural beauty, set aside for the conservation of flora, fauna and scenery, and for recreation, if this does not conflict with the conservation objectives of the parks and their landscapes. Hunting, logging, mining, commercial fishing, agriculture and livestock grazing are all controlled within national parks, as is industrial activity | parques nacionales |
| National Park of the Northern Sporades | parque nacional de las Esporadas Septentrionales |
| national planning The step by step method and process of defining, developing and outlining various possible courses of actions to meet existing or future needs, goals and objectives for a country or a large body of people associated with a particular territory, often sharing similar ethnic backgrounds, customs and language | planificación nacional |
| National Pollutant Discharge Elimination System | sistema nacional de eliminación de vertidos contaminantes |
| National Radioactive Waste Corporation | Empresa Nacional de Residuos, S.A. |
| National Radioactive Waste Corporation | Empresa Nacional de Residuos Radiactivos |
| National reference centre | centro nacional de referencia |
| National Reference Centre | centro nacional de referencia |
| National Renewable Energy Laboratory | Laboratorio Nacional de Energías Renovables |
| national reserve No definition needed | reserva nacional |
| National Society for Clean Air and Environmental Protection | Sociedad nacional para la pureza del aire y la protección ambiental |
| National Society for Clean Air and Environmental Protection | Sociedad nacional para la protección del aire puro y el medio ambiente |
| national system for the estimation of anthropogenic emissions | sistema nacional que permite la estimación de las emisiones antropógenas |
| New National Party | Nuevo Partido Nacional |
| public foundation national manure bank | banco nacional de abonos orgánicos |
| Spanish National Hydrological Plan | Plan Hidrológico Nacional Español |
| Spanish National Hydrological Plan | plan hidrológico nacional |
| sub-national boundary | límite subnacional |
| sub-national boundary The line demarcating a territory located within the limits of a State | límite subnacional |
| the recommended national and international exposure limits are identical | coinciden los límites de exposición recomendados por las normas nacionales e internacionales |
| Unified National System for Observation, Control and Information on the Environment's State | Sistema Nacional Unificado de Observación, Control e Información sobre la Situación del Medio Ambiente |
