{"id":14537,"date":"2026-02-08T02:51:47","date_gmt":"2026-02-08T01:51:47","guid":{"rendered":"https:\/\/collectif-accad.fr\/site\/?p=14537"},"modified":"2026-02-06T15:48:37","modified_gmt":"2026-02-06T14:48:37","slug":"ia-generative-2","status":"publish","type":"post","link":"https:\/\/collectif-accad.fr\/site\/ia-generative-2\/","title":{"rendered":"IA g\u00e9n\u00e9rative"},"content":{"rendered":"<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14531 aligncenter\" src=\"https:\/\/collectif-accad.fr\/site\/wp-content\/uploads\/2026\/02\/IA_planete-18.jpg\" alt=\"\" width=\"500\" height=\"580\" srcset=\"https:\/\/collectif-accad.fr\/site\/wp-content\/uploads\/2026\/02\/IA_planete-18.jpg 500w, https:\/\/collectif-accad.fr\/site\/wp-content\/uploads\/2026\/02\/IA_planete-18-259x300.jpg 259w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 18pt;\"><strong><span style=\"font-family: Comic Sans MS, cursive;\">Un co\u00fbt \u00e9cologique monstrueux, massivement contest\u00e9 aux USA<\/span><\/strong><\/span><\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>L\u2019IA g\u00e9n\u00e9rative (type ChatGPT, Google Gemini, Midjourney, Nano Banana\u2026) est en train de devenir une \u00ab\u00a0IA pour tous\u00a0\u00bb, utilisable quotidiennement comme moteur de recherche \u00e9volu\u00e9, ou pour lui demander de r\u00e9aliser de A \u00e0 Z un projet sans surveillance et en toute autonomie, <\/i><\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/halteaucontrolenumerique.fr\/?p=9182\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>comme soutien psychologique<\/i><\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i> aussi\u2026<\/i><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>C\u2019est donc un outil avec ses r\u00e9ponses structur\u00e9es, ses dialogues et l\u2019adaptation de son niveau de langage \u00e0 celui de l\u2019interlocuteur car c\u2019est son objectif commercial (s\u2019adapter \u00e0 son interlocuteur, et donc nous garder captif et nous faire passer \u00e0 l\u2019abonnement).<\/i><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Cet \u00ab\u00a0outil\u00a0\u00bb, d\u00e9sormais tr\u00e8s diffus\u00e9, a pourtant un co\u00fbt \u00e9cologique dont il faut se demander s\u2019il est soutenable.<\/i><\/span><\/span> <span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>C\u2019est \u00e0 cette interrogation que tentent de r\u00e9pondre <\/i><\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/lia-generative-est-elle-soutenable-le-vrai-cout-ecologique-dun-prompt-269432\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>quatre chercheurs de l\u2019INRIA et de l\u2019UGA<\/i><\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i> (Grenoble).<\/i><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Les organisations \u00e9cologistes US ont tranch\u00e9 : c\u2019est non !<\/i><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Les estimations du bilan environnemental de l\u2019intelligence artificielle g\u00e9n\u00e9rative, comme celles r\u00e9alis\u00e9es \u00e0 l\u2019\u00e9t\u00e9 2025 par <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">sur son IA <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Gemini<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, semblent rassurantes\u00a0: seulement 0,003\u00a0g de CO2\u00a0et cinq gouttes d\u2019eau par \u00ab\u00a0<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>prompt<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Des r\u00e9sultats qui d\u00e9pendent en r\u00e9alit\u00e9 beaucoup des choix m\u00e9thodologiques r\u00e9alis\u00e9s, alors que de telles \u00e9tudes sont le plus souvent men\u00e9es en interne et manquent de transparence. Le probl\u00e8me est que ces chiffres font de plus en plus souvent figure d\u2019argument marketing pour inciter \u00e0 l\u2019utilisation de l\u2019IA g\u00e9n\u00e9rative, tout en ignorant le risque bien r\u00e9el d\u2019effet rebond li\u00e9 \u00e0 l\u2019explosion des usages.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Depuis la sortie de <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>ChatGPT<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"> fin 2022, les IA g\u00e9n\u00e9ratives ont le vent en poupe.\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/cdn.openai.com\/pdf\/a253471f-8260-40c6-a2cc-aa93fe9f142e\/economic-research-chatgpt-usage-paper.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">En juillet 2025<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>OpenAI<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"> annon\u00e7ait que <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>ChatGPT<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"> recevait 18\u00a0milliards de \u00ab\u00a0<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>prompts<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0\u00bb (instructions \u00e9crites par les utilisateurs) par semaine, pour 700\u00a0millions d\u2019utilisateurs \u2013 soit 10\u00a0% de la population mondiale.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Aujourd\u2019hui, la ru\u00e9e vers ces outils est mondiale\u00a0: tous les acteurs de la Big Tech d\u00e9veloppent d\u00e9sormais leurs propres mod\u00e8les d\u2019IA g\u00e9n\u00e9rative, principalement aux \u00c9tats-Unis et en Chine, mais aussi en France avec <\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/www.ifri.org\/fr\/presse-contenus-repris-sur-le-site\/ia-mistral-dernier-espoir-de-leurope-dans-la-bataille-de\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Mistral<\/i><\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, qui produit l\u2019assistant <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Le Chat<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Chacun de ces mod\u00e8les s\u2019inscrit dans un environnement g\u00e9opolitique donn\u00e9, avec des choix technologiques parfois diff\u00e9rents. Mais tous ont une empreinte \u00e9cologique consid\u00e9rable qui continue d\u2019augmenter de fa\u00e7on exponentielle, port\u00e9e par la d\u00e9multiplication des usages.\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/lia-peut-elle-vraiment-etre-frugale-226274\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Certains experts<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, dont\u00a0<\/span><\/span><a href=\"https:\/\/theshiftproject.org\/publications\/intelligence-artificielle-centres-de-donnees-rapport-final\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">ceux du think tank sp\u00e9cialis\u00e9 <\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>The Shift Project<\/i><\/span><\/span><\/u><\/span><\/a><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, sonnent l\u2019alerte\u00a0: cette croissance n\u2019est pas soutenable.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Or, tous les acteurs du domaine \u2013 y compris les consommateurs \u2013 sont aujourd\u2019hui bien conscients que du\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/impact-environnemental-du-numerique-linquietant-boom-a-venir-247118\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">co\u00fbt environnemental qui accompagne les usages li\u00e9s au num\u00e9rique<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, mais pas forc\u00e9ment des chiffres que cela repr\u00e9sente.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Pouss\u00e9s par de multiples raisons (obligations r\u00e9glementaires, marketing, parfois par conscience environnementale), plusieurs des grands acteurs de la tech ont r\u00e9cemment r\u00e9alis\u00e9 l\u2019analyse de cycle de vie (ACV, m\u00e9thodologie permettant d\u2019\u00e9valuer l\u2019impact environnemental global d\u2019un produit ou service) de leurs mod\u00e8les.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/cloud.google.com\/blog\/products\/infrastructure\/measuring-the-environmental-impact-of-ai-inference\/?hl=en\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Fin ao\u00fbt\u00a02025<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">a publi\u00e9 la sienne pour quantifier les impacts de son mod\u00e8le <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Gemini<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">. Que valent ces estimations, et peut-on s\u2019y fier\u00a0?<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Une empreinte carbone \u00e9tonnement basse<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Un mod\u00e8le d\u2019IA g\u00e9n\u00e9rative, pour fonctionner,\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/quest-ce-que-l-ai-poisoning-ou-empoisonnement-de-lia-267995\" target=\"_top\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">doit d\u2019abord \u00eatre \u00ab\u00a0<\/span><\/span><\/a><\/u><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/quest-ce-que-l-ai-poisoning-ou-empoisonnement-de-lia-267995\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>entra\u00een\u00e9<\/i><\/span><\/span><\/a><\/u><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/quest-ce-que-l-ai-poisoning-ou-empoisonnement-de-lia-267995\" target=\"_top\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0\u00e0 partir d\u2019une grande quantit\u00e9 d\u2019exemples \u00e9crits. Pour mesurer l\u2019\u00e9lectricit\u00e9 consomm\u00e9e par un \u00ab\u00a0<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>prompt<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0, Google s\u2019est donc concentr\u00e9 sur la phase d\u2019utilisation \u2013 et non pas d\u2019entra\u00eenement \u2013 de son IA <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Gemini<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">. Selon ses propres calculs, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">annonce donc qu\u2019un prompt ne consommerait que 0,24\u00a0wattheure (Wh) en moyenne \u2013 c\u2019est tr\u00e8s faible\u00a0: environ une minute de consommation d\u2019une ampoule \u00e9lectrique standard de 15\u00a0watts.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Comment les auteurs sont-ils arriv\u00e9s \u00e0 ce chiffre, significativement plus faible que dans les autres \u00e9tudes d\u00e9j\u00e0 r\u00e9alis\u00e9es \u00e0 ce sujet, comme\u00a0<\/span><\/span><a href=\"https:\/\/mistral.ai\/fr\/news\/our-contribution-to-a-global-environmental-standard-for-ai\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">celle men\u00e9e par <\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Mistral IA<\/i><\/span><\/span><\/u><\/span><\/a><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0en juillet 2025\u00a0?<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">La premi\u00e8re raison tient \u00e0 ce que <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">mesure r\u00e9ellement. On apprend par exemple dans le rapport que l\u2019\u00e9lectricit\u00e9 consomm\u00e9e par un prompt est utilis\u00e9e pour 58\u00a0% par des processeurs sp\u00e9cialis\u00e9s pour l\u2019IA (<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/que-sont-les-gpu-cette-technologie-a-laquelle-on-doit-lessor-des-jeux-video-et-de-lia-249972\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">l\u2019unit\u00e9 de traitement graphique, ou GPU<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, et\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/lintelligence-artificielle-a-la-vitesse-de-la-lumiere-122020\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">le circuit int\u00e9gr\u00e9 sp\u00e9cifique Tensor Processing Unit, ou TPU<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">), 25\u00a0% par des processeurs classiques et \u00e0 hauteur d\u2019environ 10\u00a0% par les processeurs en veille, et les 7\u00a0% restants pour le refroidissement des serveurs et le stockage de donn\u00e9es.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Autrement dit, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">ne tient ici compte que de l\u2019\u00e9lectricit\u00e9 consomm\u00e9e par ses propres data centers, et pas de celle consomm\u00e9e par les terminaux et les routeurs des utilisateurs.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Par ailleurs, aucune information n\u2019est donn\u00e9e sur le nombre d\u2019utilisateurs ou le nombre de requ\u00eates prises en compte dans l\u2019\u00e9tude, ce qui questionne sa cr\u00e9dibilit\u00e9. Dans ces conditions, impossible de savoir comment le comportement des utilisateurs peut affecter l\u2019impact environnemental du mod\u00e8le.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Google a rachet\u00e9 en 2024 l\u2019\u00e9quivalent de la production d\u2019\u00e9lectricit\u00e9 annuelle de l\u2019Irlande<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">La seconde raison tient \u00e0 la fa\u00e7on de convertir l\u2019\u00e9nergie \u00e9lectrique consomm\u00e9e en \u00e9quivalent CO2. Elle d\u00e9pend du mix \u00e9lectrique de l\u2019endroit o\u00f9 l\u2019\u00e9lectricit\u00e9 est consomm\u00e9e, tant du c\u00f4t\u00e9 des data centers que des terminaux des utilisateurs. Ici, on l\u2019a vu, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">ne s\u2019int\u00e9resse qu\u2019\u00e0 ses propres data centers.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Depuis longtemps, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">a mis\u00e9 sur l\u2019optimisation \u00e9nerg\u00e9tique, en se tournant vers des sources d\u00e9carbon\u00e9es ou renouvelables pour ses centres de donn\u00e9es r\u00e9partis partout dans le monde. Selon\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/sustainability.google\/google-2025-environmental-report\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">son dernier rapport environnemental<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, l\u2019effort semble porter ses fruits, avec une diminution de 12\u00a0% des \u00e9missions en un an, alors que la demande a augment\u00e9 de 27\u00a0% sur la m\u00eame p\u00e9riode. Les besoins sont colossaux\u00a0: en 2024, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">a consomm\u00e9, pour ses infrastructures de calcul, 32\u00a0t\u00e9rawattsheures (TWh), soit l\u2019\u00e9quivalent de la\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/www.iea.org\/countries\/ireland\/electricity\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">production d\u2019\u00e9lectricit\u00e9 annuelle de l\u2019Irlande<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">De fait, l\u2019entreprise a sign\u00e9\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/www.gstatic.com\/gumdrop\/sustainability\/google-2025-environmental-report.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">60\u00a0contrats exclusifs de fourniture en \u00e9lectricit\u00e9<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0\u00e0 long terme en 2024, pour un total de 170 depuis 2010. Compte tenu de l\u2019ampleur des op\u00e9rations de <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, le fait d\u2019avoir des contrats d\u2019\u00e9lectricit\u00e9 exclusifs \u00e0 long terme compromet la d\u00e9carbonation dans d\u2019autres secteurs. Par exemple, l\u2019\u00e9lectricit\u00e9 \u00e0 faibles \u00e9missions qui alimente les prompts pourrait \u00eatre utilis\u00e9e pour le chauffage, secteur qui d\u00e9pend encore fortement des combustibles fossiles.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Dans certains cas, ces contrats impliquent la construction de nouvelles infrastructures de production d\u2019\u00e9nergie. Or, m\u00eame pour la production d\u2019\u00e9nergie renouvelable d\u00e9carbon\u00e9e, leur bilan environnemental n\u2019est pas enti\u00e8rement neutre\u00a0: par exemple, l\u2019impact associ\u00e9 \u00e0 la fabrication de panneaux photovolta\u00efques est compris entre\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0048969720370595\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">14\u00a0gCO2eq et 73\u00a0gCO2eq\/kWh<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, ce que <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">ne prend pas en compte dans ses calculs.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Dans son rapport environnemental, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">ne prend pas en compte l\u2019empreinte carbone li\u00e9e \u00e0 la construction des infrastructures de production d\u2019\u00e9lectricit\u00e9, fussent-elles renouvelables.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Enfin, de nombreux services de <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">font appel \u00e0 de la\u00a0<\/span><\/span><a href=\"https:\/\/docs.cloud.google.com\/network-connectivity\/docs\/interconnect\/concepts\/cross-site-locations?hl=fr\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0<\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>colocation<\/i><\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0\u00bb de serveurs<\/span><\/span><\/u><\/span><\/a><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0dans des data centers qui ne sont pas n\u00e9cessairement d\u00e9carbon\u00e9s, ce qui n\u2019est pas non plus pris en compte dans l\u2019\u00e9tude.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Autrement dit, les choix m\u00e9thodologiques r\u00e9alis\u00e9s pour l\u2019\u00e9tude ont contribu\u00e9 \u00e0 minimiser l\u2019ampleur des chiffres.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Cinq\u00a0gouttes d\u2019eau par prompt, mais 12\u00a0000\u00a0piscines olympiques au total<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">La consommation d\u2019eau douce est de plus en plus fr\u00e9quemment prise en compte dans les rapports environnementaux li\u00e9s au num\u00e9rique. Et pour cause\u00a0: il s\u2019agit d\u2019une ressource pr\u00e9cieuse, constitutive d\u2019une\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/deux-nouvelles-limites-planetaires-franchies-en-2022-de-quoi-parle-t-on-184508\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">limite plan\u00e9taire r\u00e9cemment franchie<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">L\u2019\u00e9tude de <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">estime que sa consommation d\u2019eau pour <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Gemini <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">est de 0,26\u00a0ml \u2013 soit cinq\u00a0gouttes d\u2019eau \u2013 par prompt. Un chiffre qui semble d\u00e9risoire, ramen\u00e9 \u00e0 l\u2019\u00e9chelle d\u2019un prompt, mais les petits ruisseaux font les grandes rivi\u00e8res\u00a0: il faut le mettre en perspective avec l\u2019explosion des usages de l\u2019IA.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Globalement, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">a consomm\u00e9 environ\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/www.gstatic.com\/gumdrop\/sustainability\/google-2025-environmental-report.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">8\u00a0100\u00a0millions de gallons<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0(environ 30\u00a0millions de m\u00e8tres cubes, l\u2019\u00e9quivalent de quelque 12\u00a0000\u00a0piscines olympiques) en 2024, avec une augmentation de 28\u00a0% par rapport \u00e0 2023.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Mais l\u00e0 aussi, le diable est dans les d\u00e9tails\u00a0: le rapport de <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">ne comptabilise que l\u2019eau consomm\u00e9e pour refroidir les serveurs (selon un principe tr\u00e8s similaire \u00e0 la fa\u00e7on dont nous nous rafra\u00eechissons lorsque la sueur s\u2019\u00e9vapore de notre corps). Le rapport exclut de fait la consommation d\u2019eau li\u00e9e \u00e0 la production d\u2019\u00e9lectricit\u00e9 et \u00e0 la fabrication des serveurs et autres composants informatiques, qui sont pourtant prises en compte pour le calcul de son empreinte carbone, comme on l\u2019a vu plus haut. En cons\u00e9quence, les indicateurs d\u2019impact environnemental (carbone, eau\u2026) n\u2019ont pas tous le m\u00eame p\u00e9rim\u00e8tre, ce qui complique leur interpr\u00e9tation.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Des \u00e9tudes encore trop opaques<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Comme la plupart des \u00e9tudes sur le sujet, celle de <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">a \u00e9t\u00e9 men\u00e9e en interne. Si on comprend l\u2019enjeu de secret industriel, un tel manque de transparence et d\u2019expertise ind\u00e9pendante pose la question de sa l\u00e9gitimit\u00e9 et surtout de sa cr\u00e9dibilit\u00e9. On peut n\u00e9anmoins chercher des points de comparaisons avec d\u2019autres IA, par exemple \u00e0 travers les\u00a0<\/span><\/span><a href=\"https:\/\/mistral.ai\/fr\/news\/our-contribution-to-a-global-environmental-standard-for-ai\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00e9l\u00e9ments pr\u00e9sent\u00e9s par <\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Mistral IA<\/i><\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"> en juillet 2025<\/span><\/span><\/u><\/span><\/a><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0sur les impacts environnementaux associ\u00e9s au cycle de vie de son mod\u00e8le <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Mistral Large 2<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, une premi\u00e8re.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Cette \u00e9tude a \u00e9t\u00e9 men\u00e9e en collaboration avec un acteur fran\u00e7ais reconnu de\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/comment-rendre-lelectronique-plus-soutenable-221145\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">l\u2019analyse du cycle de vie (ACV)<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Carbone4<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, avec le soutien de l\u2019<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Agence de l\u2019environnement et de la ma\u00eetrise de l\u2019\u00e9nergie<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"> (Ademe, qui diffuse un <\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/infos.ademe.fr\/magazine-janvier-2025\/regards-croises-sur-limpact-de-lia-generative\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">d\u00e9bat sur la question entre C\u00e9dric Villani et Julia Meyer<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">), ce qui est un \u00e9l\u00e9ment de fiabilit\u00e9. Les r\u00e9sultats sont les suivants.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Pendant les dix-huit\u00a0mois de dur\u00e9e de vie totale du mod\u00e8le, environ 20\u00a0000\u00a0tonnes \u00e9quivalent CO2\u00a0ont \u00e9t\u00e9 \u00e9mises, 281\u00a0000\u00a0m3\u00a0d\u2019eau consomm\u00e9e et 660\u00a0kg\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/www.hqegbc.org\/wp-content\/uploads\/2022\/05\/HQE-GuideACV-EXE3-WEB-page.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00e9quivalent antimoine<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0(indicateur qui prend en compte l\u2019\u00e9puisement des mati\u00e8res premi\u00e8res min\u00e9rales m\u00e9talliques).<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Mistral attire l\u2019attention sur le fait que l\u2019utilisation du mod\u00e8le (<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/les-ia-comprennent-elles-ce-quelles-font-148513\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">inf\u00e9rence<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">) a des effets qu\u2019ils jugent\u00a0<\/span><\/span><a href=\"https:\/\/mistral.ai\/fr\/news\/our-contribution-to-a-global-environmental-standard-for-ai\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0<\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>marginaux<\/i><\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0<\/span><\/span><\/u><\/span><\/a><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, si on consid\u00e8re un prompt moyen utilisant 400\u00a0<\/span><\/span><a href=\"https:\/\/blogs.nvidia.fr\/explication-des-jetons-le-langage-et-la-monnaie-de-lia\/\" target=\"_top\"><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0<\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>tokens<\/i><\/span><\/span><\/u><\/span><span style=\"color: #0563c1;\"><u><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0<\/span><\/span><\/u><\/span><\/a><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0(unit\u00e9s de traitement corr\u00e9l\u00e9es \u00e0 la taille du texte en sortie)\u00a0: ce prompt correspond \u00e0 l\u2019\u00e9mission de 1,14\u00a0g \u00e9quivalent CO2, de 50\u00a0ml d\u2019eau et 0,5\u00a0mg \u00e9quivalent antimoine. Des chiffres plus \u00e9lev\u00e9s que ceux avanc\u00e9s par <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, obtenus, comme on l\u2019a vu, gr\u00e2ce \u00e0 une m\u00e9thodologie avantageuse. De plus, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">s\u2019est bas\u00e9 dans son \u00e9tude sur un prompt \u00ab\u00a0<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>m\u00e9dian<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0\u00bb sans donner davantage de d\u00e9tails statistiques, qui seraient pourtant bienvenus.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">En r\u00e9alit\u00e9, l\u2019une des principales motivations, que cela soit celles de <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">ou de <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Mistral<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, derri\u00e8re ce type d\u2019\u00e9tude reste d\u2019ordre marketing\u00a0: il s\u2019agit de rassurer sur l\u2019impact environnemental (ce qu\u2019on pourrait qualifier de \u00ab\u00a0<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>greenwashing<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0) de l\u2019IA pour pousser \u00e0 la consommation. Ne parler que de l\u2019impact venant des prompts des utilisateurs fait \u00e9galement perdre de vue la vision globale des co\u00fbts (par exemple, ceux li\u00e9s \u00e0\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/ia-comment-les-grands-modeles-de-langage-peuvent-devenir-des-super-mechants-entre-de-mauvaises-mains-259215\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">l\u2019entra\u00eenement des mod\u00e8les<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">).<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Reconnaissons que le principe d\u2019effectuer des \u00e9tudes d\u2019impacts est positif. Mais l\u2019opacit\u00e9 de ces \u00e9tudes, m\u00eame lorsqu\u2019elles ont le m\u00e9rite d\u2019exister, doit \u00eatre interrog\u00e9e. Car, \u00e0 ce jour, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Mistral <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">pas plus que <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Google <\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">n\u2019ont pas d\u00e9voil\u00e9 tous les d\u00e9tails des m\u00e9thodologies utilis\u00e9es, les \u00e9tudes ayant \u00e9t\u00e9 men\u00e9es en interne. Or, il faudrait pouvoir disposer d\u2019un r\u00e9f\u00e9rentiel commun qui permettrait de clarifier ce qui doit \u00eatre pris en compte dans l\u2019analyse compl\u00e8te du cycle de vie (ACV) d\u2019un mod\u00e8le d\u2019IA. Ceci permettrait de r\u00e9ellement comparer les r\u00e9sultats d\u2019un mod\u00e8le \u00e0 l\u2019autre et de limiter les effets marketing.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Une des limites tient probablement \u00e0 la complexit\u00e9 des IA g\u00e9n\u00e9ratives. Quelle part de l\u2019empreinte environnementale peut-on rattacher \u00e0 l\u2019utilisation du smartphone ou de l\u2019ordinateur pour le prompt\u00a0? Les mod\u00e8les permettant le\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/datascientest.com\/fine-tuning-tout-savoir\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>fine-tuning<\/i><\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00a0pour s\u2019adapter \u00e0 l\u2019utilisateur consomment-ils plus\u00a0?<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">La plupart des \u00e9tudes sur l\u2019empreinte environnementale des IA g\u00e9n\u00e9ratives les consid\u00e8rent comme des syst\u00e8mes ferm\u00e9s, ce qui emp\u00eache d\u2019aborder la question pourtant cruciale des\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/leffet-rebond-quand-la-surconsommation-annule-les-efforts-de-sobriete-197707\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">effets rebonds induits par ces nouvelles technologies<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">. Cela emp\u00eache de voir l\u2019augmentation vertigineuse de nos usages de l\u2019IA, en r\u00e9sumant le probl\u00e8me au\u00a0<\/span><\/span><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/theconversation.com\/lia-open-source-et-frugale-la-cle-de-lautonomie-strategique-europeenne-259748\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">co\u00fbt environnemental d\u2019un seul prompt<\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/next.ink\/213684\/data-centers-des-centaines-dorganisations-environnementales-demandent-aux-us-de-ralentir\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Plus de 230 organisations de d\u00e9fense de l\u2019environnement appellent le Congr\u00e8s des \u00c9tats-Unis \u00e0 prendre un moratoire sur le d\u00e9veloppement de data centers dans le pays<\/span><\/span><\/a><\/u><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Aliment\u00e9e par l\u2019intelligence artificielle g\u00e9n\u00e9rative et le boom des cryptos<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0, l\u2019expansion du secteur est pr\u00e9sent\u00e9e dans la lettre ouverte de ces entit\u00e9s comme\u00a0\u00ab\u00a0<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>l\u2019une des plus grandes menaces environnementales et sociales de notre g\u00e9n\u00e9ration<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Greenpeace<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>les Amis de la Terre<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">, <\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>Food &amp; Water Watch<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"> et des dizaines de groupes locaux se sont r\u00e9unis pour demander \u00e0 leurs parlementaires de mettre une pause au d\u00e9veloppement de ces entrep\u00f4ts, dont les besoins en \u00e9nergie et en eau\u00a0\u00ab\u00a0<\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\"><i>aggravent les impacts significatifs et pr\u00e9occupants de l\u2019IA sur la soci\u00e9t\u00e9, notamment les pertes d\u2019emplois, l\u2019instabilit\u00e9 sociale et la concentration \u00e9conomique<\/i><\/span><\/span><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">\u00ab\u00a0.<\/span><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Lire aussi sur Reporterre : <\/span><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/reporterre.net\/Un-data-center-construit-pres-de-chez-vous-La-reponse-en-carte\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">https:\/\/reporterre.net\/Un-data-center-construit<\/span><\/span><\/a><\/u><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/reporterre.net\/Data-centers-des-milliards-d-euros-d-investissements-en-France\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Data centers\u00a0: <\/span><\/span><\/a><\/u><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/reporterre.net\/Data-centers-des-milliards-d-euros-d-investissements-en-France\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">des milliards d\u2019euros d\u2019investissements en France<\/span><\/span><\/a><\/u><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Cuves de fioul et groupes \u00e9lectrog\u00e8nes\u00a0: la pollution cach\u00e9e des data centers \u2013<\/span><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #0563c1;\"><u><a href=\"https:\/\/reporterre.net\/Data-centers-leur-consommation-d-eau-va-exploser\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: Comic Sans MS, cursive;\"><span style=\"font-size: medium;\">Data centers\u00a0: leur consommation d\u2019eau va exploser<\/span><\/span><\/a><\/u><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un co\u00fbt \u00e9cologique monstrueux, massivement contest\u00e9 aux USA<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14537","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/posts\/14537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/comments?post=14537"}],"version-history":[{"count":4,"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/posts\/14537\/revisions"}],"predecessor-version":[{"id":14553,"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/posts\/14537\/revisions\/14553"}],"wp:attachment":[{"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/media?parent=14537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/categories?post=14537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/collectif-accad.fr\/site\/wp-json\/wp\/v2\/tags?post=14537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}