{"id":2207,"date":"2008-01-08T00:00:00","date_gmt":"2008-01-08T00:00:00","guid":{"rendered":"https:\/\/newsroom.ferrovial.com\/news\/cientificos-noruegos-tasan-la-contribucion-de-los-transportes-al-cambio-climatico\/"},"modified":"2022-12-21T11:10:49","modified_gmt":"2022-12-21T10:10:49","slug":"cientificos-noruegos-tasan-la-contribucion-de-los-transportes-al-cambio-climatico","status":"publish","type":"new","link":"https:\/\/newsroom.ferrovial.com\/es\/noticias\/cientificos-noruegos-tasan-la-contribucion-de-los-transportes-al-cambio-climatico\/","title":{"rendered":"Cient\u00edficos noruegos tasan la contribuci\u00f3n de los transportes al cambio clim\u00e1tico"},"content":{"rendered":"    <section class=\"wysiwyg text-editor \" id=\"\">\n        <div class=\"container container--narrow container--p-10\">\n            <p>Madrid, 8 enero (<br \/>\n  <a href=\"http:\/\/www.abc.es\/\" title=\"\"><u>Abc<\/u><\/a>).- No es una revelaci\u00f3n sorprendente que el auge de los medios de transporte desde los tiempos de la revoluci\u00f3n industrial haya afectado negativamente a la salud del planeta en t\u00e9rminos de su calentamiento global. Sin embargo, la contribuci\u00f3n del transporte al cambio clim\u00e1tico no hab\u00eda sido cuantificada con exactitud hasta el momento, hasta que un equipo de cient\u00edficos del Centro de Investigaci\u00f3n Clim\u00e1tica y Medioambiental de la Universidad de Oslo ha publicado un exhaustivo estudio en el \u00faltimo n\u00famero de la revista \u00abPNAS\u00bb, de la Academia Americana de Ciencias.<\/p>\n<p>Un detallado examen cuantifica la incidencia del sector del transporte al calentamiento del planeta. En concreto, desde la era preindustrial hasta nuestros d\u00edas, el transporte ha contribuido a liberar entre un 15 y un 30% de todo el CO2 y el O3 generado por el hombre.<\/p>\n<h4>Datos que Kioto no recoge<\/h4>\n<p>Estos dos gases, el anh\u00eddrido de carbono y el ozono troposf\u00e9rico, han sido por este orden los principales y m\u00e1s da\u00f1inos contribuyentes de los veh\u00edculos al efecto invernadero. El di\u00f3xido de carbono procede de la combusti\u00f3n de hidrocarburos, mientras que el ozono troposf\u00e9rico es lo que se conoce como un \u00abcontaminante secundario\u00bb, liberado a la atm\u00f3sfera a partir de las reacciones que se dan con los \u00f3xidos de nitr\u00f3geno. La importancia de los resultados est\u00e1 en que el Protocolo de Kioto no cubre este tipo de contaminaci\u00f3n, as\u00ed como la que se produce por la acci\u00f3n de otros gases como el CO o los \u00f3xidos de nitr\u00f3geno, no contemplados en en Kioto.<\/p>\n<p>En cuanto a sectores, el estudio se\u00f1ala al transporte por carretera como el mayor contribuyente al calentamiento desde finales del XIX, seguido de la aviaci\u00f3n. Otros medios, como el tren, han reducido su influencia durante los \u00faltimos a\u00f1os. Por \u00faltimo, los investigadores han hallado tambi\u00e9n que el transporte mar\u00edtimo contribuye a \u00abenfriar\u00bb a medio plazo el planeta por su emisi\u00f3n de gases que reflejan la radiaci\u00f3n solar, como el SO4 o el CO.<\/p>\n        <\/div>\n    <\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","nivel-2":[936],"nivel-5":[],"nivel-1":[],"nivel-3":[],"nivel-4":[],"class_list":["post-2207","new","type-new","status-publish","hentry","nivel-2-conservacion-del-medio-ambiente"],"acf":[],"yoast_head":"<title>Cient\u00edficos noruegos tasan la contribuci\u00f3n de los transportes al cambio clim\u00e1tico Sala de prensa Ferrovial | \u00daltimas noticias<\/title>\n<meta name=\"description\" content=\"Sala de prensa Ferrovial | \u00daltimas noticias\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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