{"id":115949,"date":"2024-06-22T19:44:48","date_gmt":"2024-06-22T14:14:48","guid":{"rendered":"https:\/\/pwonlyias.com\/stage\/?post_type=current-affairs&#038;p=115949"},"modified":"2025-02-13T11:29:50","modified_gmt":"2025-02-13T05:59:50","slug":"tree-planting-effectiveness-in-climate-mitigation","status":"publish","type":"current-affairs","link":"https:\/\/pwonlyias.com\/stage\/current-affairs\/tree-planting-effectiveness-in-climate-mitigation","title":{"rendered":"Tree Planting Effectiveness in Climate Mitigation"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">A recent study published in the<\/span><b> Journal Science<\/b><span style=\"font-weight: 400;\"> suggests that <\/span><b>nature-based projects aimed at removing carbon, particularly those focused on forestation, may not be as effective as previously thought.<\/b><\/p>\n<h2><span style=\"font-size: 18pt;\"><strong>Tree Planting Effectiveness in Climate Mitigation, Background<\/strong><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Absorption of Carbon dioxide by Plants and Soils:<\/b><span style=\"font-weight: 400;\"> Plants and soils absorb <\/span><b>30 per cent of carbon dioxide emissions from human activities<\/b><span style=\"font-weight: 400;\"> each year, thereby <\/span><b>mitigating climate change and its consequences.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A New Study highlighted some gaps in our understanding. For example, it is unclear how this storage happens, and its stability is not well understood.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span class=\"vc_button\"><a href=\"https:\/\/www.pw.live\/batches\/upsc\/pw-only-ias?utm_source=seo+upsc+batch&#038;utm_medium=seo+upsc&#038;utm_campaign=seo&#038;utm_id=upsc\" target=\"_blank\" rel=\"noopener\">Enroll now for UPSC Online Classes<\/a><\/span><\/p>\n<h2><span style=\"font-size: 18pt;\"><strong>Key findings of the Study<\/strong><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Shortcomings in Current Climate Models:<\/b><span style=\"font-weight: 400;\"> The climate models currently used to predict the longevity of carbon stored in trees have shortcomings<\/span><b>.\u00a0<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">The models may be <\/span><b>overestimating the amount of time carbon stays trapped in plants <\/b><span style=\"font-weight: 400;\">and underestimating the impact of climate change on forests themselves.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Shorter Carbon Storage Duration in Plants Due to Faster Atmospheric Return: Plants absorb more carbon than expected, but they remain stored for a shorter period of time <\/b><span style=\"font-weight: 400;\">because it <\/span><b>returns to the atmosphere sooner <\/b><span style=\"font-weight: 400;\">than previously predicted.\u00a0<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Therefore, many <\/span><b>nature-based carbon removal projects<\/b><span style=\"font-weight: 400;\"> and strategies of the government are <\/span><b>limited.<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Carbon Cycles: Carbon cycles (moves faster) more rapidly between the atmosphere and biosphere<\/b><span style=\"font-weight: 400;\"> than previously thought.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-size: 18pt;\"><strong>Methodology Used<\/strong><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Radiocarbon: <\/b><span style=\"font-weight: 400;\">The researchers <\/span><b>utilised Radiocarbon (C-14) to Study Global Carbon Cycling Dynamics<\/b><span style=\"font-weight: 400;\">.<\/span>\n<ul>\n<li><b>Radiocarbon Increased from Nuclear Testing:<\/b><span style=\"font-weight: 400;\"> Though <\/span><b>radiocarbon is produced naturally<\/b><span style=\"font-weight: 400;\">, nuclear bomb testing in the 1950s and 1960s increased its atmospheric levels.\u00a0<\/span><\/li>\n<li><b>Global Tracking of C-14 Absorption: <\/b><span style=\"font-weight: 400;\">This<\/span><b> extra C-14 was absorbed by plants all over the world<\/b><span style=\"font-weight: 400;\">, allowing researchers to <\/span><b>track its accumulation in the terrestrial biosphere and assess rates of carbon uptake and turnover.\u00a0<\/b><\/li>\n<li><b>Assessment of Carbon Uptake and Turnover:<\/b><span style=\"font-weight: 400;\"> This was compared to the accumulation of C-14 in plants <\/span><b>between 1963 and 1967 when no major nuclear detonations existed.<\/b><\/li>\n<li><b>Modelling Plant Carbon Use: <\/b><span style=\"font-weight: 400;\">They fed this into the model to <\/span><b>simulate how plants use carbon dioxide globally<\/b><span style=\"font-weight: 400;\"> and the interactions between the atmosphere and the biosphere.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span class=\"vc_button\"><a href=\"https:\/\/store.pw.live\/govt-entrance-exams\/upsc-books\/upsc-textbooks?utm_source=SEO&#038;utm_medium=PW+Live&#038;utm_campaign=UPSC+Textbooks\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Check Out UPSC NCERT Textbooks From PW Store<\/span><\/a><\/span><\/p>\n<h2><span style=\"font-size: 18pt;\"><strong>Conclusion<\/strong><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Need to understand carbon cycle better: <\/b><span style=\"font-weight: 400;\">There is a need to <\/span><b>better understand and account for this more rapid carbon cycling in climate models.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Urgent need for rapid reduction in fossil fuel emissions: <\/b><span style=\"font-weight: 400;\">\u00a0to lessen the effects of climate change.<\/span><\/li>\n<\/ul>\n<table style=\"width: 100.033%;\">\n<tbody>\n<tr>\n<td style=\"width: 137.986%; 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