{"id":4077,"date":"2026-07-15T18:42:01","date_gmt":"2026-07-15T21:42:01","guid":{"rendered":"https:\/\/agenciatest.unq.edu.ar\/?p=4077"},"modified":"2026-07-15T18:42:02","modified_gmt":"2026-07-15T21:42:02","slug":"ley-de-glaciares-un-debate-que-todavia-sigue-vivo-en-la-comunidad-cientifica","status":"publish","type":"post","link":"https:\/\/agenciatest.unq.edu.ar\/?p=4077","title":{"rendered":"Ley de Glaciares: un debate que todav\u00eda sigue vivo en la comunidad cient\u00edfica"},"content":{"rendered":"\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio has-medium-font-size wp-block-paragraph\" id=\"block-e7a9ff36-ee0c-4796-9d2e-1fd69773da3a\">Aunque la norma se aprob\u00f3 hace meses, la controversia est\u00e1 vigente y despierta objeciones en voces de expertos.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\" id=\"block-c3ee2a7f-4bf9-43dd-a0f6-8acc1087bdbe\"><img loading=\"lazy\" decoding=\"async\" width=\"1040\" height=\"420\" src=\"https:\/\/agenciatest.unq.edu.ar\/wp-content\/uploads\/2026\/07\/ley-glaciares.jpg\" alt=\"Manifestaci\u00f3n de abril de 2026 en Buenos Aires, en contra de la reforma de la Ley de Glaciares\" class=\"wp-image-4076\"\/><figcaption class=\"wp-element-caption\">Manifestaci\u00f3n de abril de 2026 en Buenos Aires, en contra de la reforma de la Ley de Glaciares. Foto: Catriel Gallucci Bordoni\/NurPhoto. Cr\u00e9ditos: climatica.coop\/<\/figcaption><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><em>Por Eliana Silva*<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El 8 de abril de 2026, durante una sesi\u00f3n especial en la C\u00e1mara de Diputados, se aprob\u00f3 la reforma de la Ley 26.639 de Presupuestos M\u00ednimos para la Protecci\u00f3n de los Glaciares y del Ambiente Periglacial. La reforma habilita actividades econ\u00f3micas como la <strong>miner\u00eda en zonas antes vedadas <\/strong>y <strong>reduce la protecci\u00f3n que establec\u00eda la ley anterior, orientada a limitar actividades contaminantes. <\/strong>Los defensores de la nueva normativa <strong>argumentan que abre oportunidades de desarrollo productivo<\/strong>; quienes la rechazan, en cambio, <strong>advierten que<\/strong> <strong>pone en riesgo las reservas estrat\u00e9gicas de agua<\/strong>. Esto la convierte en una de las reformas ambientales m\u00e1s pol\u00e9micas, con debates que se sostienen a tres meses de su sanci\u00f3n. En exclusiva para la Agencia, consultamos a investigadores y docentes especializados en el rubro sobre sus posiciones actuales frente a este debate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La soci\u00f3loga <strong>Julieta Caggiano<\/strong>, integrante de la iniciativa <a href=\"https:\/\/www.observatoriodetierras.ar\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Observatorio de Tierras<\/a> y doctoranda en Estudios Territoriales en la Universidad Nacional de Quilmes (UNQ), explica que \u201c<strong>la discusi\u00f3n sobre glaciares no puede separarse de una pregunta m\u00e1s amplia que es qui\u00e9n controla nuestros bienes comunes naturales y qu\u00e9 usos se le dan<\/strong>\u201d. Caggiano tambi\u00e9n destaca que el Observatorio de Tierras elabor\u00f3 un mapa de extranjerizaci\u00f3n en el que se visualiza que muchas de las zonas glaciares y periglaciales coinciden con \u00e1reas altamente extranjerizadas, y que el debate no es solo sobre glaciares sino tambi\u00e9n sobre soberan\u00eda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por su parte, un investigador de Mendoza especializado en glaciolog\u00eda (que decidi\u00f3 reservar su identidad por temor a represalias), se\u00f1ala que \u201cla reforma introduce m\u00e1s grises que la ley original. <strong>No est\u00e1 claro c\u00f3mo, cu\u00e1ndo y d\u00f3nde se determinar\u00e1 el rol hidrol\u00f3gico de un cuerpo de hielo, lo que podr\u00eda generar criterios distintos entre provincias, incluso en cuencas interjurisdiccionales<\/strong>. La ley trata a los mismos como unidades aisladas y no como parte de un sistema junto con la nieve, los humedales de altura y el agua subterr\u00e1nea: un glaciar de escombros peque\u00f1o puede aportar poco en t\u00e9rminos absolutos, pero puede ayudar a sostener un ecosistema mucho m\u00e1s complejo y delicado\u201d, explica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por otro lado, el profesor de la UNQ, <strong>Juan Benavente<\/strong>, especializado en temas ambientales y de desarrollo sustentable, expresa que esta medida \u201c<strong>reduce el piso m\u00ednimo de protecci\u00f3n ambiental que establec\u00eda la normativa anterior, otorgando mayor margen a las provincias sobre los ambientes periglaciales en relaci\u00f3n con proyectos mineros<\/strong>\u201d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si bien esto puede ser una oportunidad econ\u00f3mica \u2013explica Benavente\u2013 el desaf\u00edo es que no comprometa los recursos de las futuras generaciones. \u201c<strong>La situaci\u00f3n ambiental, a fin de cuentas, es un derecho humano b\u00e1sico, es el derecho a vivir en un ambiente sano<\/strong>\u201d, argumenta. Y remarca que \u201cse debe respetar una congruencia con la Ley General de Ambiente (25.675). Si una provincia legisla, solo puede y debe ser para aumentar la protecci\u00f3n, nunca para disminuirla\u201d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A su vez, un <a href=\"https:\/\/www.nature.com\/articles\/s41558-025-02318-w\" target=\"_blank\" rel=\"noopener\" title=\"\">estudio<\/a> publicado en 2025 en la revista cient\u00edfica <em>Nature Climate Change<\/em>, liderado por investigadores de la Universidad de Innsbruck junto a cient\u00edficos de la NASA, Carnegie Mellon University y otras instituciones internacionales, indica que la p\u00e9rdida de un glaciar puede resultar irreversible: una vez desaparecido, <strong>su recuperaci\u00f3n requerir\u00eda siglos o milenios de condiciones clim\u00e1ticas favorables<\/strong>. Asimismo, la p\u00e9rdida de glaciares de monta\u00f1a contribuye al aumento del nivel del mar, influye en los recursos h\u00eddricos en per\u00edodos de sequ\u00eda e induce peligros naturales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En ese contexto, otro de los puntos centrales de la reforma es la modificaci\u00f3n del rol del Instituto Argentino de Nivolog\u00eda, Glaciolog\u00eda y Ciencias Ambientales (Ianigla) del Conicet, responsable del Inventario Nacional de Glaciares, cuya funci\u00f3n central en la identificaci\u00f3n y protecci\u00f3n de glaciares queda reducida a un rol m\u00e1s acotado y de registro. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Estudios del propio Ianigla ya registraron en la \u00faltima d\u00e9cada retrocesos significativos en los glaciares argentinos<\/strong>, atribuidos principalmente al cambio clim\u00e1tico: en el noroeste del pa\u00eds, por ejemplo, se document\u00f3 una reducci\u00f3n del 17 por ciento de hielo descubierto y una contracci\u00f3n del 23 por ciento en los manchones de nieve perenne. En ese escenario, el debate sobre la Ley 26.639 permanece abierto, con voces cient\u00edficas que advierten que <strong>los glaciares, una vez perdidos, no se recuperan<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:16px\">*Eliana Silva es estudiante de la Licenciatura en Comunicaci\u00f3n Social de la UNQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aunque la norma se aprob\u00f3 hace meses, la controversia est\u00e1 vigente y despierta objeciones en voces de expertos.<\/p>\n","protected":false},"author":1,"featured_media":4076,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[26,34],"tags":[],"class_list":["post-4077","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticia-destacada","category-politica"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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