{"id":262976,"date":"2023-11-24T06:49:27","date_gmt":"2023-11-24T11:49:27","guid":{"rendered":"https:\/\/sftarticles.wpenginepowered.com\/es\/?p=317113"},"modified":"2025-07-01T17:33:54","modified_gmt":"2025-07-02T00:33:54","slug":"weve-gone-back-to-1997-and-the-ozone-layer-hole-doesnt-stop-growing","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/en\/weve-gone-back-to-1997-and-the-ozone-layer-hole-doesnt-stop-growing\/","title":{"rendered":"We have returned to 1997, and the hole in the ozone layer continues to grow"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">In the &#8217;90s, they spent the decade scaring us about the ozone hole. <strong>This hole was supposed to end life on Earth if we didn&#8217;t stop it<\/strong>. Fortunately, it started closing on its own\u2026 or so we thought.<\/p>\n\n\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" alt=\"HBO Max\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/a2f73840-9b6e-11e6-a5b8-00163ec9f5fa\/1641088715\/hbo-max-logo\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">HBO Max<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/hbo-max.en.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\">DOWNLOAD<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        <svg class=\"rating-score__content\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" x=\"0\" y=\"0\" viewbox=\"0 0 50 50\" enable-background=\"new 0 0 50 50\" xml:space=\"preserve\"><path class=\"rating-score__background rating-score--good\" fill=\"none\" stroke-width=\"6\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><path class=\"rating-score__value rating-score__value--0\" fill=\"none\" stroke-width=\"6\" stroke-dashoffset=\"0\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><text class=\"rating-score__number\" content=\"\" text-anchor=\"middle\" transform=\"matrix(1 0 0 1 25 31.0837)\" data-auto=\"app-user-score\"><\/text><\/svg>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\" onerror=\"this.style.display='none'\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/hbo-max.en.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/en.softonic.com\/articles\/humanity-was-about-to-disappear-in-2022-due-to-the-explosion-of-a-supernova\" target=\"_blank\" rel=\"noopener\" title=\"\">A large hole in the Antarctic ozone layer<\/a>, thought to be closing, might actually be expanding, according to a new study, casting doubt on whether global efforts to heal the ozone layer have been successful after all.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, most scientists disagree. The findings, <a href=\"https:\/\/www.nature.com\/articles\/s41467-023-42637-0\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">published in the journal Nature Communications<\/a>, contradict the general consensus that ozone has been steadily recovering over the last four decades.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"589\" src=\"https:\/\/articles-img.sftcdn.net\/sft\/articles\/auto-mapping-folder\/sites\/3\/2023\/11\/capa-ozono-nasa-1024x589-1-1024x589.jpg\" alt=\"\" class=\"wp-image-262982\" srcset=\"https:\/\/articles-img.sftcdn.net\/auto-mapping-folder\/sites\/3\/2023\/11\/capa-ozono-nasa-1024x589-1-1024x589.jpg 1024w, https:\/\/articles-img.sftcdn.net\/auto-mapping-folder\/sites\/3\/2023\/11\/capa-ozono-nasa-1024x589-1-300x173.jpg 300w, https:\/\/articles-img.sftcdn.net\/auto-mapping-folder\/sites\/3\/2023\/11\/capa-ozono-nasa-1024x589-1-768x442.jpg 768w, https:\/\/articles-img.sftcdn.net\/auto-mapping-folder\/sites\/3\/2023\/11\/capa-ozono-nasa-1024x589-1-150x86.jpg 150w, https:\/\/articles-img.sftcdn.net\/auto-mapping-folder\/sites\/3\/2023\/11\/capa-ozono-nasa-1024x589-1.jpg 1252w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Returning to the late &#8217;90s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Through the analysis of monthly and daily ozone changes from 2004 to 2022, <strong>researchers found that the ozone hole has significantly less ozone than it did 19 years ago<\/strong>, with levels decreasing by a surprising 26%.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;Our analysis concluded with the data from 2022, but as of today, the ozone hole in 2023 has already surpassed the size of the three previous years: by the end of last month, it exceeded 26 million square kilometers, nearly double the surface area of Antarctica,&#8221; said the lead author of the study, Hannah Kessenich from the University of Otago, in a statement about the research.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Montreal Protocol<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Located several kilometers above the surface, in the stratosphere, the ozone layer is essential for life on Earth as it shields our planet from the harsh ultraviolet radiation of the Sun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>To protect it, world leaders at the United Nations approved the Montreal Protocol in 1987<\/strong>, marking a milestone by internationally banning a chemical substance used in aerosols, chlorofluorocarbons (CFCs), which scientists had discovered years earlier were depleting the ozone layer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The treaty has been widely hailed as a major environmental victory. <strong>This year, a UN report projected that the ozone would return to 1980s levels by 2040<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">PARIS \u2014 The hole in the Antarctic ozone layer has been getting deeper in mid-spring over the last two decades, despite a global ban on chemicals that deplete Earth&#39;s shield from deadly solar radiation, according to new research. <a href=\"https:\/\/t.co\/TMlFxpD9jx\">https:\/\/t.co\/TMlFxpD9jx<\/a><\/p>&mdash; VOA Africa (@VOAAfrica) <a href=\"https:\/\/twitter.com\/VOAAfrica\/status\/1727661554366394755?ref_src=twsrc%5Etfw\">November 23, 2023<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Cold is the culprit<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">So, <strong>the ban on CFCs worked, but they might not be the sole culprits if we aim to explain this recent widening<\/strong>. Instead, researchers suggest that ozone depletion might also be due to the Antarctic polar vortex, a low-pressure whirl of cold westerly winds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Until now, they&#8217;ve observed a relationship between changes in the vortex and ozone depletion, but they can&#8217;t explain why this would occur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, the colleagues of these researchers aren&#8217;t entirely convinced. Martin Jucker, from the Climate Change Research Centre at the University of New South Wales, points out that <strong>existing literature has already discovered that these holes were caused by climate phenomena<\/strong> such as the 2019 wildfires and a massive volcanic eruption.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Still, whether they&#8217;re right or not, researchers say that their work highlights &#8220;the importance of continuous monitoring of the state of the ozone layer.&#8221;<\/p>\n\n\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" alt=\"HBO Max\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/a2f73840-9b6e-11e6-a5b8-00163ec9f5fa\/1641088715\/hbo-max-logo\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">HBO Max<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/hbo-max.en.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\">DOWNLOAD<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        <svg class=\"rating-score__content\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" x=\"0\" y=\"0\" viewbox=\"0 0 50 50\" enable-background=\"new 0 0 50 50\" xml:space=\"preserve\"><path class=\"rating-score__background rating-score--good\" fill=\"none\" stroke-width=\"6\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><path class=\"rating-score__value rating-score__value--0\" fill=\"none\" stroke-width=\"6\" stroke-dashoffset=\"0\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><text class=\"rating-score__number\" content=\"\" text-anchor=\"middle\" transform=\"matrix(1 0 0 1 25 31.0837)\" data-auto=\"app-user-score\"><\/text><\/svg>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\" onerror=\"this.style.display='none'\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/hbo-max.en.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Researchers found that the ozone hole has significantly less ozone than 19 years ago, with levels declining&#8230;<\/p>\n","protected":false},"author":9265,"featured_media":262979,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":1},"categories":[1015],"tags":[3888],"usertag":[],"vertical":[],"content-category":[],"class_list":["post-262976","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ciencia"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/posts\/262976","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/users\/9265"}],"replies":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/comments?post=262976"}],"version-history":[{"count":1,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/posts\/262976\/revisions"}],"predecessor-version":[{"id":316187,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/posts\/262976\/revisions\/316187"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/media\/262979"}],"wp:attachment":[{"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/media?parent=262976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/categories?post=262976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/tags?post=262976"},{"taxonomy":"usertag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/usertag?post=262976"},{"taxonomy":"vertical","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/vertical?post=262976"},{"taxonomy":"content-category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/content-category?post=262976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}