{"id":15515,"date":"2025-04-11T13:40:16","date_gmt":"2025-04-11T13:40:16","guid":{"rendered":"https:\/\/exam.pscnotes.com\/current-affairs\/?p=15515"},"modified":"2025-04-11T13:40:30","modified_gmt":"2025-04-11T13:40:30","slug":"arctic-biome","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/current-affairs\/arctic-biome\/","title":{"rendered":"Arctic Biome"},"content":{"rendered":"<ul>\n<li>\n<p><strong>Arctic Tundra as a Carbon Source:<\/strong> The Arctic Boreal Zone (ABZ), including the Arctic tundra, is shifting from a carbon sink to a carbon source due to increased wildfires and permafrost thaw.<\/p>\n<\/li>\n<li>\n<p><strong>NOAA&#8217;s 2024 Arctic Report Card:<\/strong> Confirms that frequent fires and fossil fuel pollution are turning the Arctic tundra into a carbon source.<\/p>\n<\/li>\n<li>\n<p><strong>Nature Climate Change Study (2025):<\/strong> Found that over 30% of the ABZ has stopped sequestering carbon and is now releasing it.<\/p>\n<\/li>\n<li>\n<p><strong>Permafrost Thaw:<\/strong> Rising temperatures cause permafrost to thaw, releasing carbon dioxide and methane, accelerating global warming.<\/p>\n<\/li>\n<li>\n<p><strong>Wildfire Feedback Loop:<\/strong> Wildfires release carbon, increasing global warming, which thaws more permafrost, leading to more fires and emissions.<\/p>\n<\/li>\n<li>\n<p><strong>Key Areas of Carbon Emission:<\/strong> Alaska accounts for 44% of new ABZ emissions, with northern Europe and Siberia contributing 25% and 13% respectively.<\/p>\n<\/li>\n<li>\n<p><strong>Loss of Carbon Absorption:<\/strong> Carbon emissions from the longer, non-summer months in the ABZ have surpassed carbon dioxide absorption during the summer.<\/p>\n<\/li>\n<li>\n<p><strong>Extreme Weather Events:<\/strong> Wildfires are increasing in frequency and intensity, releasing large quantities of carbon into the atmosphere.<\/p>\n<\/li>\n<li>\n<p><strong>India&#8217;s Involvement:<\/strong> India studies climate impacts in the Arctic via its Himadri research station and participates in the Arctic Council, focusing on sustainable development.<\/p>\n<\/li>\n<li>\n<p><strong>Global Wildfires:<\/strong> Fires in Texas, Oklahoma, California, and Japan released substantial carbon, highlighting the global scale of carbon emissions from wildfires,<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Arctic Tundra as a Carbon Source: The Arctic Boreal Zone (ABZ), including the Arctic tundra, is shifting from a carbon sink to a carbon source due to increased wildfires and permafrost thaw. NOAA&#8217;s 2024 Arctic Report Card: Confirms that frequent fires and fossil fuel pollution are turning the Arctic tundra into a carbon source. Nature &#8230; <a title=\"Arctic Biome\" class=\"read-more\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/arctic-biome\/\" aria-label=\"Read more about Arctic Biome\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":15518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[595],"tags":[1272],"class_list":["post-15515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs","tag-10-04-25"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Arctic Biome - Current Affairs Exam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/arctic-biome\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Arctic Biome\" \/>\n<meta property=\"og:description\" content=\"Arctic Tundra as a Carbon Source: The Arctic Boreal Zone (ABZ), including the Arctic tundra, is shifting from a carbon sink to a carbon source due to increased wildfires and permafrost thaw. 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