| Spanish | English |
| Administración Nacional de la Atmósfera y de los Océanos | National Oceanic and Atmospheric Administration |
| Administración Nacional de Protección del Medio Ambiente | National Environmental Protection Agency |
| Administración Nacional para el Océano y la Atmósfera | National Oceanic and Atmospheric Administration |
| asociación nacional de protección contra incendios de EE. UU. | national fire protection association |
| banco nacional de abonos orgánicos | public foundation national manure bank |
| Centro Meteorológico Nacional | National Meteorological Center |
| centro nacional de referencia | National reference centre |
| centro nacional de referencia | National Reference Centre |
| coinciden los límites de exposición recomendados por las normas nacionales e internacionales | the recommended national and international exposure limits are identical |
| Comité consultivo de representantes nacionales | Advisory committee of national representatives |
| Comité Latinoamericano de Parques Nacionales | Latin American Committee on National Parks |
| comunicación nacional | national communication |
| Consejo Coordinador de Catástrofes Nacionales | National Disaster Coordination Council |
| contabilidad ambiental 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 nacional | national accounting Organised method of recording all business transactions in the national economy |
| coste de economía nacional | national economic costs The amount of money incurred as a result of the financial management of a nation's financial resources |
| directrices del IPCC para los inventarios nacionales de gases de efecto invernadero | IPCC Guidelines for National Greenhouse Gas Inventories |
| economía nacional | national economy A nation's financial resources and its financial management, with a view towards its productivity |
| Empresa Nacional de Residuos Radiactivos | National Radioactive Waste Corporation |
| Empresa Nacional de Residuos, S.A. | National Radioactive Waste Corporation |
| Ente nacional para la energía alternativa | National Authority for Alternative Energy |
| Ente nacional para la energía alternativa | Agency for New Technologies, Energy and Environment |
| Federación de Parques naturales y nacionales de Europe | Federation of European Nature and National Parks |
| 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 Fund for Environmental Protection and Water Management |
| frontera nacional | national boundary |
| frontera nacional | national boundary The line demarcating recognized limits of established political units |
| informe del inventario nacional | national inventory report |
| informe sobre el inventario nacional | national inventory report |
| Inspección Nacional de Productos Químicos | National Chemicals Inspectorate |
| Inspección Nacional de Productos Químicos | Chemical Inspectorate |
| Instituto de Acueductos y Alcantarillados Nacionales | Institute of Potable Water and Sewers Systems |
| Instituto Nacional de Biodiversidad | National Biodiversity Institute |
| Instituto Nacional para la Conservación de la Naturaleza | National Institute for the Conservation of Nature |
| Instituto Nacional para la Conservación de la Naturaleza | Institute for Nature Conservation |
| 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 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 greenhouse gas inventory |
| Laboratorio Nacional de Energías Renovables | National Renewable Energy Laboratory |
| legislación nacional e instituciones | 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 |
| límite máximo nacional | national emission ceiling |
| normas nacionales de protección | national fire codes |
| normativa nacional sobre incendios | national fire codes |
| Nuevo Partido Nacional | New National Party |
| parque nacional | country park |
| parque nacional de las Esporadas Septentrionales | National Park of the Northern Sporades |
| parques nacionales | 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 |
| plan hidrológico nacional | Spanish National Hydrological Plan |
| plan hidrológico nacional | National Hydrological Plan of Spain |
| Plan Hidrológico Nacional Español | Spanish National Hydrological Plan |
| Plan Hidrológico Nacional Español | National Hydrological Plan of Spain |
| planificación nacional | 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 |
| producto nacional bruto | 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 |
| programa nacional de conservación | national conservation programme |
| red nacional de información | national information network |
| renta nacional ajustada en función del medio ambiente | environmentally adjusted national income |
| reserva nacional | national park |
| reserva nacional | national reserve No definition needed |
| reserva nacional de la pesca | 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 |
| Servicio australiano de parques nacionales y fauna | Australian National Parks and Wildlife Service |
| sistema nacional de eliminación de vertidos contaminantes | National Pollutant Discharge Elimination System |
| sistema nacional que permite la estimación de las emisiones antropógenas | national system for the estimation of anthropogenic emissions |
| Sistema Nacional Unificado de Observación, Control e Información sobre la Situación del Medio Ambiente | Unified National System for Observation, Control and Information on the Environment's State |
| sitio histórico nacional | national historic park |
| Sociedad nacional para la protección del aire puro y el medio ambiente | 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 |
| suplementario a las medidas nacionales | supplemental to domestic actions |
