{"id":5974,"date":"2024-01-29T12:07:11","date_gmt":"2024-01-29T12:07:11","guid":{"rendered":"https:\/\/challengeseconomiques.com\/?p=5974"},"modified":"2024-01-29T12:08:15","modified_gmt":"2024-01-29T12:08:15","slug":"lutte-contre-le-changement-climatique-le-role-essentiel-des-mangroves-herbiers-marins","status":"publish","type":"post","link":"https:\/\/challengeseconomiques.com\/?p=5974","title":{"rendered":"Lutte contre le changement climatique : Le r\u00f4le essentiel des mangroves, herbiers marins,\u2026"},"content":{"rendered":"<p>Selon un nouveau rapport de la Banque mondiale, la conservation et la restauration des \u00e9cosyst\u00e8mes stockant du \u00ab\u00a0carbone bleu\u00a0\u00bb, comme les mangroves, les herbiers marins et les marais sal\u00e9s, qui captent plus de CO<sub>2<\/sub>\u00a0que les for\u00eats, peuvent contribuer \u00e0 lutter contre le changement climatique, cr\u00e9er des emplois de qualit\u00e9 et am\u00e9liorer les moyens de subsistance des populations.<\/p>\n<p>R\u00e9alis\u00e9 avec le concours financier du fonds fiduciaire multidonateurs PROBLUE\u00a0 (a), le rapport <em>D\u00e9verouiller le d\u00e9veloppement du carbone bleu\u00a0<\/em>\u00a0d\u00e9montre que le stockage du carbone par les \u00e9cosyst\u00e8mes c\u00f4tiers et marins est un outil puissant pour combattre le changement climatique. C\u2019est du moins ce que nous apprend un communiqu\u00e9 de la Banque mondiale parvenu \u00e0 espacedev.\u00a0 Ce document cite en exemple, l\u2019arr\u00eat de la destruction et de la d\u00e9gradation des herbiers marins au niveau mondial qui permettrait de stocker 650\u00a0millions de tonnes de CO<sub>2<\/sub>\u00a0par an, soit \u00e0 peu pr\u00e8s le volume d\u2019\u00e9missions annuelles du transport maritime.<\/p>\n<p><em>\u00ab\u00a0L\u2019investissement dans la pr\u00e9servation et la restauration des mangroves, des herbiers marins et des autres \u00e9cosyst\u00e8mes naturels de stockage de carbone bleu, contribue \u00e0 un monde sans pauvret\u00e9 sur une plan\u00e8te vivable,<\/em>\u00a0souligne\u00a0Valerie Hickey, directrice du p\u00f4le Environnement, ressources naturelles et \u00e9conomie bleue de la Banque mondiale.<em> Ces \u00e9cosyst\u00e8mes non seulement stockent le carbone, mais aussi fournissent de nombreux avantages\u00a0: ils soutiennent la p\u00eache et la s\u00e9curit\u00e9 alimentaire, stimulent le tourisme et l\u2019emploi, aident \u00e0 prot\u00e9ger les communaut\u00e9s c\u00f4ti\u00e8res contre les catastrophes climatiques et constituent des habitats naturels pour les esp\u00e8ces sauvages.\u00a0\u00bb<\/em><\/p>\n<p>Les \u00e9cosyst\u00e8mes stockant du carbone bleu illustrent comment le d\u00e9veloppement, le climat et la nature agissent ensemble pour nourrir, prot\u00e9ger et am\u00e9liorer les conditions de vie des communaut\u00e9s. Selo notre source, on estime ainsi que 4,1\u00a0millions de petits p\u00eacheurs dans le monde sont tributaires des mangroves. Celles-ci prot\u00e8gent \u00e9galement plus de 6\u00a0millions de personnes contre les inondations et \u00e9vitent chaque ann\u00e9e la perte de 24\u00a0milliards de dollars d\u2019actifs productifs.<\/p>\n<p>Toutefois, en d\u00e9pit des immenses bienfaits qu\u2019ils procurent, les \u00e9cosyst\u00e8mes stockant du carbone bleu continuent de se d\u00e9grader. Le rapport souligne notamment que plus de 50\u00a0% des marais sal\u00e9s de la plan\u00e8te ont disparu au cours du XX<sup>e<\/sup>\u00a0si\u00e8cle et que cette d\u00e9gradation se poursuit actuellement.\u00a0<em>\u00ab\u00a0Les gens ne r\u00e9alisent pas l\u2019importance de ces puits de carbone, alors qu\u2019ils stockent cinq fois plus de CO<sub>2<\/sub>\u00a0que les for\u00eats\u00a0\u00bb,<\/em>\u00a0explique\u00a0Michele Diez, sp\u00e9cialiste principale environnemental et responsable du programme PROBLUE<strong>.<\/strong> \u00c0 l\u2019en croire, \u00ab\u00a0<em>si ces \u00e9cosyst\u00e8mes sont perturb\u00e9s, le carbone qu\u2019ils renferment depuis des milliers d\u2019ann\u00e9es sera lib\u00e9r\u00e9 dans l\u2019atmosph\u00e8re, avec les cons\u00e9quences n\u00e9fastes que l\u2019on connait sur le climat. C\u2019est maintenant que les gouvernements doivent investir dans ce levier puissant que ce sont les \u00e9cosyst\u00e8mes stockant du carbone bleu. Et la Banque mondiale est pr\u00eate \u00e0 aider ses partenaires \u00e0 investir pour une plan\u00e8te vivable.\u00a0\u00bb<\/em><\/p>\n<p>espacedev.net<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Selon un nouveau rapport de la Banque mondiale, la conservation et la restauration des \u00e9cosyst\u00e8mes stockant du \u00ab\u00a0carbone bleu\u00a0\u00bb, comme les mangroves, les herbiers marins&#8230;<\/p>\n","protected":false},"author":1,"featured_media":5975,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8,10],"tags":[],"class_list":["post-5974","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite-economique","category-infos-eco","wpcat-8-id","wpcat-10-id"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lutte contre le changement climatique : Le r\u00f4le essentiel des mangroves, herbiers marins,\u2026 - 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