{"id":5309,"date":"2023-07-03T11:31:49","date_gmt":"2023-07-03T09:31:49","guid":{"rendered":"https:\/\/micronora.com\/?p=5309"},"modified":"2023-07-03T11:31:49","modified_gmt":"2023-07-03T09:31:49","slug":"laeronautique-vertueuse-info-ou-intox","status":"publish","type":"post","link":"https:\/\/micronora.com\/en\/laeronautique-vertueuse-info-ou-intox\/","title":{"rendered":"L\u2019a\u00e9ronautique vertueuse, info ou intox ?"},"content":{"rendered":"<p><strong>Le salon international de l\u2019a\u00e9ronautique et de l\u2019espace du Bourget (SIAE 2023) vient juste de s\u2019achever et un point s\u2019impose pour d\u00e9passer le battage m\u00e9diatique autour de l\u2019a\u00e9ronautique verdissante et vertueuse. En deux mots\u00a0: les avions de 2050 volent d\u00e9j\u00e0, les flottes ne se renouvellent pas si vite que cela\u00a0: les avions construits il y a quarante ans sont tout juste en train de quitter le service et encore bien souvent \u00e0 cause de leurs co\u00fbts d\u2019exploitation en carburant. S\u2019imaginer que des avions plus sobres, consommant des \u00e9nergies vertes et moins bruyants vont peupler notre ciel n\u2019est pas pour demain sans compter qu\u2019aucun programme nouveau n\u2019est sur les rails, actuellement nous optimisons tout au plus les appareils existants. Le trafic a\u00e9rien ne va pas cesser d\u2019augmenter, les classes moyennes de nombreux pays se d\u00e9veloppent et ont soif de voyages. N\u00e9anmoins analyser rapidement les pistes possibles pour d\u00e9carboner l\u2019a\u00e9ronautique n\u2019est pas inutile.<\/strong><\/p>\n<p><strong>Impact aviation commerciale<\/strong><\/p>\n<p>L&#8217;aviation contribue \u00e0 pr\u00e8s de 5 % du r\u00e9chauffement climatique, soit plus que le num\u00e9rique. Selon une \u00e9tude qui fait r\u00e9f\u00e9rence, publi\u00e9e en 2020 dans la revue Atmospheric environment, les vols en avion repr\u00e9sentent 2,4 % des \u00e9missions de CO2 \u00e0 eux seuls.<\/p>\n<p>Modeste au premier abord, l\u2019impact du transport a\u00e9rien sur le climat est en r\u00e9alit\u00e9 disproportionn\u00e9. Si le transport a\u00e9rien \u00e9tait un pays, il serait class\u00e9 21e en terme de PIB, mais avec pr\u00e8s de 700 millions de tonnes de CO2 \u00e9mises en 2012, il occuperait la place de 7e pollueur au monde. C\u2019est l\u2019\u00e9quivalent d\u2019un pays comme l\u2019Allemagne, ce qui est loin d\u2019\u00eatre n\u00e9gligeable. Cette comparaison ne tient compte que des \u00e9missions de CO2 qui sont directement li\u00e9es \u00e0 la consommation de k\u00e9ros\u00e8ne \u2013 la combustion d\u2019un kilogramme de ce carburant g\u00e9n\u00e9rant 3,16 kg de CO2. Or le transport a\u00e9rien est \u00e0 l\u2019origine d\u2019autres pollutions qui ont un impact puissant sur le climat&#8230;<\/p>\n<p><a href=\"https:\/\/micronora-informations.fr\/actu-microtechnique\/laeronautique-vertueuse-info-ou-intox\/\" target=\"_blank\" rel=\"noopener\">Lire la suite\u00a0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le salon international de l\u2019a\u00e9ronautique et de l\u2019espace du Bourget  [&#8230;]<\/p>\n","protected":false},"author":5,"featured_media":5310,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L\u2019a\u00e9ronautique vertueuse, info ou intox ? - Micronora<\/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:\/\/micronora.com\/en\/laeronautique-vertueuse-info-ou-intox\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019a\u00e9ronautique vertueuse, info ou intox ? 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