{"id":249346,"date":"2024-10-25T19:00:00","date_gmt":"2024-10-25T17:00:00","guid":{"rendered":"https:\/\/legrandcontinent.eu\/fr\/?p=249346"},"modified":"2024-10-26T15:38:49","modified_gmt":"2024-10-26T13:38:49","slug":"pour-atteindre-lobjectif-de-zero-emissions-nettes-le-monde-doit-investir-90-a-2100-milliards-de-plus-par-an-dici-2050","status":"publish","type":"post","link":"https:\/\/legrandcontinent.eu\/fr\/2024\/10\/25\/pour-atteindre-lobjectif-de-zero-emissions-nettes-le-monde-doit-investir-90-a-2100-milliards-de-plus-par-an-dici-2050\/","title":{"rendered":"Pour atteindre l\u2019objectif de z\u00e9ro \u00e9missions nettes, le monde doit investir 900 \u00e0 2 100 milliards de dollars de plus par an d\u2019ici 2050"},"content":{"rendered":"\n<p>Dans son dernier rapport publi\u00e9 jeudi 24 octobre, le Programme des Nations unies pour l&rsquo;environnement (UNEP) consid\u00e8re qu\u2019il \u00ab&#160;est techniquement possible&#160;\u00bb de limiter le r\u00e9chauffement climatique \u00e0 1,5\u00b0C d\u2019ici 2030, conform\u00e9ment \u00e0 l\u2019objectif fix\u00e9 dans le cadre de l\u2019Accord de Paris&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-1-249346' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href='https:\/\/legrandcontinent.eu\/fr\/2024\/10\/25\/pour-atteindre-lobjectif-de-zero-emissions-nettes-le-monde-doit-investir-90-a-2100-milliards-de-plus-par-an-dici-2050\/#easy-footnote-bottom-1-249346' title='&lt;a href=&quot;https:\/\/www.unep.org\/resources\/emissions-gap-report-2024&quot;&gt;Emissions Gap Report 2024&amp;#160;: No more hot air \u2026 please&amp;#160;!&lt;\/a&gt;, Programme des Nations unies pour l&amp;rsquo;environnement (UNEP), 24 octobre 2024.'><sup>1<\/sup><\/a><\/span><\/span>.<\/p>\n\n\n\n<p>La fen\u00eatre d\u2019opportunit\u00e9 est cependant de plus en plus \u00e9troite.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pour y parvenir, l\u2019ONU appelle les Parties \u00e0 mettre en place des contributions d\u00e9termin\u00e9es au niveau national (NDC) \u2014 qui correspondent aux efforts d\u00e9ploy\u00e9s par les pays pour r\u00e9duire leurs \u00e9missions nationales et s\u2019adapter aux effets du changement climatique \u2014 \u00ab&#160;beaucoup plus solides&#160;\u00bb lors de la COP de Bakou.<\/li>\n\n\n\n<li>Pour limiter le r\u00e9chauffement climatique \u00e0 1,5\u00b0C d\u2019ici la fin du si\u00e8cle, les \u00e9missions de gaz \u00e0 effet de serre doivent diminuer de 42&#160;% d\u2019ici 2030 par rapport \u00e0 leurs niveaux de 2019, et 28&#160;% pour 2\u00b0C.<\/li>\n\n\n\n<li>Les \u00e9missions mondiales de gaz \u00e0 effet de serre ont continu\u00e9 d\u2019augmenter de 1,3&#160;% l\u2019an dernier par rapport \u00e0 2022 \u2014 soit plus que le taux de variation annuel moyen lors des ann\u00e9es 2010 \u2014, atteignant 57,1 gigatonnes d\u2019\u00e9quivalent CO2 (GtCO2e).<\/li>\n<\/ul>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/Bhsyt\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<p>L\u2019\u00e9nergie est le principal domaine dans lequel une augmentation des investissements se traduirait par une r\u00e9duction significative des \u00e9missions de gaz \u00e0 effet de serre. Selon l\u2019UNEP, l\u2019acc\u00e9l\u00e9ration du d\u00e9ploiement de l\u2019\u00e9olien et du photovolta\u00efque \u2014 pour un co\u00fbt inf\u00e9rieur \u00e0 200 dollars par tonne d\u2019\u00e9quivalent CO2 \u2014 pourrait conduire \u00e0 une baisse de 12,2 GtCO2e d\u2019ici 2030 et 14 Gt d\u2019ici 2035, ce qui repr\u00e9sente plus d\u2019un tiers des efforts requis.<\/p>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/Pl0v0\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Afin d\u2019atteindre l\u2019objectif de z\u00e9ro \u00e9missions nettes de gaz \u00e0 effet de serre fix\u00e9 pour 2050 par l\u2019Accord de Paris, 900 \u00e0 2 100 milliards de dollars d\u2019investissements suppl\u00e9mentaires par an seront requis d\u2019ici la moiti\u00e9 du si\u00e8cle \u2014 soit 0,8 \u00e0 1,9&#160;% de la taille annuelle de l\u2019\u00e9conomie mondiale et des march\u00e9s financiers.<\/li>\n\n\n\n<li>Si aucune nouvelle politique n\u2019est impl\u00e9ment\u00e9e par les Parties, le r\u00e9chauffement climatique pourrait atteindre 2,9 \u00e0 3,6\u00b0C par rapport aux niveaux pr\u00e9-industriels. \u00c0 partir de 3\u00b0C, des villes comme Shanghai, Rio ou Miami risqueraient d\u2019\u00eatre englouties sous les eaux&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-2-249346' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href='https:\/\/legrandcontinent.eu\/fr\/2024\/10\/25\/pour-atteindre-lobjectif-de-zero-emissions-nettes-le-monde-doit-investir-90-a-2100-milliards-de-plus-par-an-dici-2050\/#easy-footnote-bottom-2-249346' title='Damian Carrington, \u00ab&amp;#160;&lt;a href=&quot;https:\/\/www.theguardian.com\/environment\/article\/2024\/may\/11\/brutal-heatwaves-submerged-cities-what-3c-world-would-look-like&quot;&gt;Brutal heatwaves and submerged cities&amp;#160;: what a 3C world would look like&lt;\/a&gt;&amp;#160;\u00bb, &lt;em&gt;The Guardian&lt;\/em&gt;, 11 mai 2024.'><sup>2<\/sup><\/a><\/span><\/span>.<\/li>\n<\/ul>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/CUYfi\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<p>Lors de la <a href=\"https:\/\/legrandcontinent.eu\/fr\/2024\/10\/10\/derniere-ligne-droite-avant-la-cop-29-de-bakou\/\">COP 29<\/a>, qui se tiendra du 11 au 22 novembre \u00e0 Bakou, l&rsquo;Azerba\u00efdjan souhaite se concentrer principalement sur la r\u00e9silience du tourisme, la gestion de l\u2019eau, l\u2019extension des r\u00e9seaux \u00e9lectriques ainsi que l\u2019am\u00e9lioration des capacit\u00e9s de stockage par batterie, mais compte d\u00e9laisser la \u00ab&#160;<a href=\"https:\/\/legrandcontinent.eu\/fr\/2023\/12\/13\/que-contient-laccord-sur-le-bilan-mondial-approuve-a-la-cop-28\/\">transition hors des \u00e9nergies fossiles dans les syst\u00e8mes \u00e9nerg\u00e9tiques<\/a>&#160;\u00bb pr\u00e9vue en 2023 \u00e0 Duba\u00ef \u2014 qui avait \u00e9t\u00e9 salu\u00e9e comme une avanc\u00e9e historique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le dernier rapport du Programme des Nations unies pour l&rsquo;environnement (UNEP) dresse un constat alarmant&#160;&#160;: \u00e0 moins que les Parties ne s\u2019engagent sur de nouvelles contributions d\u00e9termin\u00e9es au niveau national plus ambitieuses, l\u2019objectif de 1,5\u00b0C de r\u00e9chauffement fix\u00e9 dans le cadre de l\u2019Accord de Paris serait hors d\u2019atteinte. Avec les politiques actuelles, le monde se dirige vers un monde plus chaud de 2,9 \u00e0 3,6\u00b0C d\u2019ici la fin du si\u00e8cle.<\/p>\n","protected":false},"author":2622,"featured_media":249363,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/post-briefings.php","format":"standard","meta":{"_acf_changed":false,"_trash_the_other_posts":false,"footnotes":""},"categories":[1730],"tags":[],"staff":[],"editorial_format":[],"serie":[],"audience":[],"geo":[2163],"class_list":["post-249346","post","type-post","status-publish","format-standard","hentry","category-energie-et-environnement","geo-monde"],"acf":{"open_in_webview":false,"accent":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pour atteindre l\u2019objectif de z\u00e9ro \u00e9missions nettes, le monde doit investir 900 \u00e0 2 100 milliards de dollars de plus par an d\u2019ici 2050 | Le Grand Continent<\/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:\/\/legrandcontinent.eu\/fr\/2024\/10\/25\/pour-atteindre-lobjectif-de-zero-emissions-nettes-le-monde-doit-investir-90-a-2100-milliards-de-plus-par-an-dici-2050\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pour atteindre l\u2019objectif de z\u00e9ro \u00e9missions nettes, le monde doit investir 900 \u00e0 2 100 milliards de dollars de plus par an d\u2019ici 2050 | Le Grand Continent\" \/>\n<meta property=\"og:description\" content=\"Le dernier rapport du Programme des Nations unies pour l&#039;environnement (UNEP) dresse un constat alarmant&#160;: \u00e0 moins que les Parties ne s\u2019engagent sur de nouvelles contributions d\u00e9termin\u00e9es au niveau national plus ambitieuses, l\u2019objectif de 1,5\u00b0C de r\u00e9chauffement fix\u00e9 dans le cadre de l\u2019Accord de Paris serait hors d\u2019atteinte. 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