{"id":37732,"date":"2025-02-20T19:19:00","date_gmt":"2025-02-20T13:49:00","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=37732"},"modified":"2025-03-01T18:31:44","modified_gmt":"2025-03-01T13:01:44","slug":"global-sea-ice-dipped-record-low","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/20-02-2025\/global-sea-ice-dipped-record-low","title":{"rendered":"Global Sea Ice Cover Has Dipped to Record Low"},"content":{"rendered":"\n<p><strong>Syllabus: GS3\/ Climate Change<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Context<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>According to the US National Snow and Ice Data Center (NSIDC) the combined sea ice extent in the Arctic and Antarctic has reached a record low of 15.76 million sq km in February 2025.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is Sea ice?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sea ice refers to the<strong> free-floating ice in the polar regions.<\/strong> While it generally expands during the winter and melts in the summers, some sea ice remains year-round.&nbsp;<\/li>\n\n\n\n<li>Sea ice is <strong>different from icebergs, glaciers, ice sheets, and ice shelves<\/strong>, which form on land.<\/li>\n\n\n\n<li>Sea ice plays a crucial role in cooling the planet by trapping existing heat in the ocean, and thus precluding it from warming the air above.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img data-dominant-color=\"ebecec\" data-has-transparency=\"false\" loading=\"lazy\" decoding=\"async\" width=\"612\" height=\"330\" src=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/02\/What-is-Sea-ice.png\" alt=\"sea ice\" class=\"not-transparent wp-image-37733\" style=\"--dominant-color: #ebecec; width:566px;height:auto\" srcset=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/02\/What-is-Sea-ice.png 612w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/02\/What-is-Sea-ice-300x162.png 300w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Reasons for the Decline in Global Sea Ice Cover<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rising Global Temperatures: <\/strong>The Arctic and Antarctic regions are warming at an accelerated pace, with the Arctic experiencing warming four times faster than the global average.<\/li>\n\n\n\n<li><strong>Ongoing ocean warming<\/strong> is setting the backdrop for sea ice decline, as warmer waters delay freezing and accelerate melting.\n<ul class=\"wp-block-list\">\n<li><strong>The ice-albedo feedback effect <\/strong>worsens the situation\u2014as ice melts, darker ocean water absorbs more solar radiation, leading to further warming and ice loss.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Wind Patterns and Storms:<\/strong> In the Arctic, storms have broken apart ice around the <strong>Barents Sea<\/strong> (near<strong> Norway and Russia<\/strong>) and the <strong>Bering Sea<\/strong> (between <strong>Alaska and Russia<\/strong>).\n<ul class=\"wp-block-list\">\n<li>Antarctic sea ice is surrounded by the ocean instead of continents, making it more mobile and thinner.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Implications of Low Sea Ice Cover<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.nextias.com\/blog\/climate-change\/\" data-type=\"link\" data-id=\"https:\/\/www.nextias.com\/blog\/climate-change\/\">Climate Change<\/a>: <\/strong>Less sea ice cover means that more ocean water is exposed to the Sun, leading to greater heat absorption and a rise in temperatures.<\/li>\n\n\n\n<li><strong>Disruption of Ocean Currents:<\/strong> The influx of freshwater from melting ice is slowing down the circulation of water in the world\u2019s oceans.<\/li>\n\n\n\n<li><strong>Rising Sea Levels:<\/strong> While melting sea ice does not directly raise sea levels, its loss exposes glaciers and ice sheets to warmer waters, speeding up their melting.<\/li>\n\n\n\n<li><strong>Disruption of Marine Ecosystems: <\/strong>The loss of sea ice affects marine food chains, particularly species such as krill, seals, and polar bears, which depend on ice for survival.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Way Ahead<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Countries must adhere to<strong> Paris Agreement targets <\/strong>and work towards limiting global average temperature to <strong>1.5\u00b0C.<\/strong><\/li>\n\n\n\n<li><strong>Satellite observations and scientific expeditions<\/strong> must be expanded to better understand polar ice changes.<\/li>\n\n\n\n<li><strong>International agreements<\/strong> on protecting marine ecosystems and polar biodiversity should be enhanced.<\/li>\n\n\n\n<li><strong>Strict regulations <\/strong>on industrial activities, fishing, and resource exploitation in the polar regions are needed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Concluding remarks<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The record low global sea ice cover is a stark reminder of the accelerating impacts of climate change.&nbsp;<\/li>\n\n\n\n<li>Immediate global action is essential to mitigate its cascading effects on climate, ocean currents, ecosystems, and human livelihoods.&nbsp;<\/li>\n\n\n\n<li>Without urgent intervention, the loss of sea ice could push the Earth closer to irreversible climate tipping points.<\/li>\n<\/ul>\n\n\n\n<p><strong>Source: <\/strong><a href=\"https:\/\/indianexpress.com\/article\/explained\/explained-climate\/why-global-sea-ice-cover-has-dipped-to-record-low-what-this-means-9845380\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong>IE<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>According to the US National Snow and Ice Data Center (NSIDC) the combined sea ice extent in the Arctic and Antarctic has reached a record low of 15.76 million sq km in February 2025.<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-37732","post","type-post","status-publish","format-standard","hentry","category-current-affairs"],"acf":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/37732","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=37732"}],"version-history":[{"count":2,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/37732\/revisions"}],"predecessor-version":[{"id":38273,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/37732\/revisions\/38273"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=37732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=37732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=37732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}