{"id":20364,"date":"2023-09-16T15:00:00","date_gmt":"2023-09-16T15:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/benin\/politique\/methane-la-bombe-climatique-cachee-dans-certaines-regions-dafrique"},"modified":"2023-09-18T12:34:56","modified_gmt":"2023-09-18T12:34:56","slug":"methane-la-bombe-climatique-cachee-dans-certaines-regions-dafrique","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/benin\/economie\/methane-la-bombe-climatique-cachee-dans-certaines-regions-dafrique","title":{"rendered":"M\u00e9thane\u00a0: la bombe climatique cach\u00e9e dans certaines r\u00e9gions d\u2019Afrique"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Benin. <\/strong><\/span>L\u2019Afrique repre\u0301sente aujourd\u2019hui 16 % des e\u0301missions mondiales de me\u0301thane. Un chiffre en constante augmentation du fait de l\u2019extension des zones humides tropicales.<\/p>\n<p>Si l\u2019Afrique contribue peu aux e\u0301missions mondiales de CO2 (3 % des e\u0301missions mondiales), elle est en revanche une importante productrice de me\u0301thane (16 % des e\u0301missions mondiales), un gaz a\u0300 effet de serre qui acce\u0301le\u0300re le re\u0301chauffement climatique.<\/p>\n<p>Depuis 2006, la concentration de me\u0301thane dans l\u2019atmosphe\u0300re a brusquement augmente\u0301. Nombre d\u2019experts estiment que les sources \u00ab traditionnelles \u00bb d\u2019e\u0301missions (production de gaz naturel, agriculture, de\u0301charges&#8230;) ne suffisent pas a\u0300 expliquer cette hausse. Dans une e\u0301tude publie\u0301e en 2016, Euan Nisbet, professeur des sciences de la Terre a\u0300 l\u2019universite\u0301 de Londres, conside\u0300re que celle-ci proviendrait de la re\u0301action au de\u0301re\u0300glement climatique des zones tropicales humides.<\/p>\n<p>Ces dix dernie\u0300res anne\u0301es, l\u2019Afrique a connu de nombreux e\u0301pisodes d\u2019inondations et de pluies torrentielles. Les surfaces humides sont devenues encore plus humides et les zones inonde\u0301es se sont e\u0301tendues. En se de\u0301composant dans ces milieux, la matie\u0300re organique produit du me\u0301thane. Explications en vide\u0301o.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/benin\">Benin<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Benin. L\u2019Afrique repre\u0301sente aujourd\u2019hui 16 % des e\u0301missions mondiales de me\u0301thane. Un chiffre en constante augmentation du fait de l\u2019extension des zones humides tropicales. Si l\u2019Afrique contribue peu aux e\u0301missions mondiales de CO2 (3 % des e\u0301missions mondiales), elle est en revanche une importante productrice de me\u0301thane (16 % des e\u0301missions mondiales), un [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":20363,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,10],"tags":[36,50,45],"class_list":["post-20364","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economie","category-toutes-les-actualites","tag-africa-press","tag-africa-press-benin","tag-benin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>M\u00e9thane\u00a0: la bombe climatique cach\u00e9e dans certaines r\u00e9gions d\u2019Afrique - B\u00e9nin<\/title>\n<meta name=\"description\" content=\"L\u2019Afrique repre\u0301sente aujourd\u2019hui 16 % des e\u0301missions mondiales de me\u0301thane. 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