{"id":3576,"date":"2025-04-24T15:31:31","date_gmt":"2025-04-24T15:31:31","guid":{"rendered":"https:\/\/www.mdiy.org\/?p=3576"},"modified":"2026-02-11T11:25:01","modified_gmt":"2026-02-11T11:25:01","slug":"ou-mene-la-spirale","status":"publish","type":"post","link":"https:\/\/www.mdiy.org\/?p=3576","title":{"rendered":"O\u00f9 m\u00e8ne la spirale ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3576\" class=\"elementor elementor-3576\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6d1b0a7a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d1b0a7a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1bc74f08\" data-id=\"1bc74f08\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-168a5e68 elementor-widget elementor-widget-text-editor\" data-id=\"168a5e68\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<figure class=\"wp-block-table\">\n<h1 class=\"\" data-start=\"199\" data-end=\"273\">Sur l\u2019IA, les gigafactories\u2026 et la contre-proposition low-tech citoyenne<\/h1>\n<h2 class=\"\" data-start=\"275\" data-end=\"313\">1. Empreinte au sol : 2025 \u2192 2075<\/h2>\n<p class=\"\" data-start=\"315\" data-end=\"470\">\u00c0 court terme, l\u2019essor de l\u2019intelligence artificielle et de la mobilit\u00e9 \u00e9lectrique se traduit surtout par la multiplication de deux types d\u2019installations :<\/p>\n<div class=\"group pointer-events-none relative flex justify-center *:pointer-events-auto\"><button class=\"hover:bg-token-main-surface-secondary text-token-text-secondary pointer-events-auto rounded-lg px-1 py-1 opacity-0 transition-opacity duration-200 group-focus-within:opacity-100 group-hover:opacity-100\"><\/button>\n<div class=\"tableContainer horzScrollShadows relative\">\n<table class=\"min-w-full\" data-start=\"472\" data-end=\"1177\">\n<thead data-start=\"472\" data-end=\"639\">\n<tr data-start=\"472\" data-end=\"639\">\n<th data-start=\"472\" data-end=\"482\">\u00c9l\u00e9ment<\/th>\n<th data-start=\"482\" data-end=\"509\">Point de d\u00e9part (\u2248 2025)<\/th>\n<th data-start=\"509\" data-end=\"542\">Vitesse de croissance annonc\u00e9e<\/th>\n<th data-start=\"542\" data-end=\"570\">Emprise moyenne d\u2019un site<\/th>\n<th data-start=\"570\" data-end=\"606\">Projection 2075 \u00ab conservatrice \u00bb<\/th>\n<th data-start=\"606\" data-end=\"639\">Projection 2075 \u00ab agressive \u00bb<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"666\" data-end=\"1177\">\n<tr data-start=\"666\" data-end=\"964\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"666\" data-end=\"684\"><strong data-start=\"668\" data-end=\"683\">Datacenters<\/strong><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"684\" data-end=\"767\">Un gros millier de campus \u00ab hyperscale \u00bb pour plus de 8 000 sites cloud au total<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"767\" data-end=\"848\">Capacit\u00e9 doublant tous les 4 ans (~ 18 %\/an) ; charge IA + 33 %\/an jusque 2030<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"848\" data-end=\"894\">Hyperscale : 2\u20133 km\u00b2 ; edge\/colo : 0,04 km\u00b2<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"894\" data-end=\"930\">8,3 \u00d7 10\u2075 km\u00b2 (0,56 % des terres)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"930\" data-end=\"964\">7 \u00d7 10\u2076 km\u00b2 (4,7 % des terres)<\/td>\n<\/tr>\n<tr data-start=\"965\" data-end=\"1177\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"965\" data-end=\"985\"><strong data-start=\"967\" data-end=\"984\">Gigafactories<\/strong><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"985\" data-end=\"1030\">240 usines batteries ; 401 pr\u00e9vues en 2030<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1030\" data-end=\"1064\">March\u00e9 + 18\u201326 %\/an (2023-2030)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"1064\" data-end=\"1126\">\u2248 1 km\u00b2 (Tesla NV 12 km\u00b2 ; Berlin 7,4 km\u00b2 ; Ultium 0,6 km\u00b2)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1126\" data-end=\"1151\">1,6 \u00d7 10\u2074 km\u00b2 (0,01 %)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1151\" data-end=\"1177\">4,0 \u00d7 10\u2074 km\u00b2 (0,03 %)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p class=\"\" data-start=\"1179\" data-end=\"1190\">En 2075 :<\/p>\n<ul data-start=\"1192\" data-end=\"1576\">\n<li class=\"\" data-start=\"1192\" data-end=\"1401\">\n<p class=\"\" data-start=\"1194\" data-end=\"1401\"><strong data-start=\"1194\" data-end=\"1219\">Sc\u00e9nario conservateur<\/strong> (15 %\/an datacenters, 10 %\/an gigafactories) : <strong data-start=\"1267\" data-end=\"1286\">\u2248 8,5 \u00d7 10\u2075 km\u00b2<\/strong>, soit <strong data-start=\"1293\" data-end=\"1303\">0,57 %<\/strong> de la surface terrestre \u00e9merg\u00e9e (149 M km\u00b2) \u2013 l\u2019\u00e9quivalent cumul\u00e9 de la France et de l\u2019Espagne.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1402\" data-end=\"1576\">\n<p class=\"\" data-start=\"1404\" data-end=\"1576\"><strong data-start=\"1404\" data-end=\"1425\">Sc\u00e9nario agressif<\/strong> (doublement des hyperscale tous les 4 ans, 18 %\/an pour les usines) : <strong data-start=\"1496\" data-end=\"1515\">\u2248 7,0 \u00d7 10\u2076 km\u00b2<\/strong>, soit <strong data-start=\"1522\" data-end=\"1531\">4\u20135 %<\/strong> des terres \u2013 \u00e0 peu pr\u00e8s l\u2019Australie enti\u00e8re.<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1578\" data-end=\"1609\">Comment lire ces chiffres ?<\/h3>\n<p class=\"\" data-start=\"1611\" data-end=\"1779\"><strong data-start=\"1611\" data-end=\"1649\">Ordres de grandeur, pas certitudes<\/strong> : le march\u00e9 de l\u2019IA et celui des batteries sont encore jeunes ; les taux publi\u00e9s ne tiendront probablement pas 50 ans sans frein.<\/p>\n<p class=\"\" data-start=\"1781\" data-end=\"1804\"><strong data-start=\"1781\" data-end=\"1802\">Facteurs de frein<\/strong><\/p>\n<ul data-start=\"1805\" data-end=\"2204\">\n<li class=\"\" data-start=\"1805\" data-end=\"1990\">\n<p class=\"\" data-start=\"1807\" data-end=\"1990\">\u00c9nergie &amp; r\u00e9seau : la disponibilit\u00e9 \u00e9lectrique (d\u00e9j\u00e0 2 % de la consommation mondiale en 2022 pour les DC) deviendra limitante bien avant que la Terre ne manque de place. <em data-start=\"1977\" data-end=\"1988\">(Reuters)<\/em><\/p>\n<\/li>\n<li class=\"\" data-start=\"1991\" data-end=\"2076\">\n<p class=\"\" data-start=\"1993\" data-end=\"2076\">Eau et CO\u2082 : refroidissement des datacenters et proc\u00e9d\u00e9s chimiques des batteries.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2077\" data-end=\"2204\">\n<p class=\"\" data-start=\"2079\" data-end=\"2204\">\u00c9conomie : surcapacit\u00e9s et annulations ; 2024 a vu un record d\u2019abandons de projets de gigafactories. <em data-start=\"2180\" data-end=\"2202\">(Benchmark Minerals)<\/em><\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"2206\" data-end=\"2235\"><strong data-start=\"2206\" data-end=\"2233\">Optimisations possibles<\/strong><\/p>\n<ul data-start=\"2236\" data-end=\"2492\">\n<li class=\"\" data-start=\"2236\" data-end=\"2323\">\n<p class=\"\" data-start=\"2238\" data-end=\"2323\">Empilement vertical &amp; densification des serveurs (immersion cooling, racks 80 kW+).<\/p>\n<\/li>\n<li class=\"\" data-start=\"2324\" data-end=\"2386\">\n<p class=\"\" data-start=\"2326\" data-end=\"2386\">R\u00e9utilisation de sites industriels (centrales, entrep\u00f4ts).<\/p>\n<\/li>\n<li class=\"\" data-start=\"2387\" data-end=\"2492\">\n<p class=\"\" data-start=\"2389\" data-end=\"2492\">Nouvelle g\u00e9n\u00e9ration : puces \u00e0 rendement sup\u00e9rieur, batteries solides = moins de m\u00b2\/GWh ou de m\u00b2\/Tflops.<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"2494\" data-end=\"2902\"><strong data-start=\"2494\" data-end=\"2515\">Conclusion simple<\/strong><br data-start=\"2515\" data-end=\"2518\" \/>M\u00eame en extrapolant la croissance actuelle pendant un demi-si\u00e8cle sans rupture technologique ni contrainte, l\u2019emprise physique de l\u2019IA et des gigafactories resterait inf\u00e9rieure \u00e0 <strong data-start=\"2697\" data-end=\"2704\">5 %<\/strong> des terres \u2013 un impact foncier bien moindre que l\u2019agriculture (~ 38 %) ou l\u2019urbanisation (~ 3 %). Les vrais enjeux seront donc l\u2019\u00e9nergie, l\u2019eau et les mati\u00e8res premi\u00e8res plut\u00f4t que la place au sol.<\/p>\n<blockquote data-start=\"2904\" data-end=\"3012\">\n<p class=\"\" data-start=\"2906\" data-end=\"3012\">Sc\u00e9nario conservateur : <strong data-start=\"2930\" data-end=\"2949\">\u2248 8,5 \u00d7 10\u2075 km\u00b2<\/strong>.<br data-start=\"2950\" data-end=\"2953\" \/>Sc\u00e9nario agressif : <strong data-start=\"2975\" data-end=\"2992\">\u2248 7 \u00d7 10\u2076 km\u00b2<\/strong> \u2013 quand m\u00eame ! lol\u2026<\/p>\n<\/blockquote>\n<hr class=\"\" data-start=\"3014\" data-end=\"3017\" \/>\n<h2 class=\"\" data-start=\"3019\" data-end=\"3120\">Effets en cascade : ce que les infrastructures de l\u2019IA et les gigafactories risquent de d\u00e9clencher<\/h2>\n<h3 class=\"\" data-start=\"3122\" data-end=\"3161\">1. Extraction : l\u00e0 o\u00f9 tout commence<\/h3>\n<div class=\"group pointer-events-none relative flex justify-center *:pointer-events-auto\"><button class=\"hover:bg-token-main-surface-secondary text-token-text-secondary pointer-events-auto rounded-lg px-1 py-1 opacity-0 transition-opacity duration-200 group-focus-within:opacity-100 group-hover:opacity-100\"><\/button>\n<div class=\"tableContainer horzScrollShadows relative\">\n<table class=\"min-w-full\" data-start=\"3163\" data-end=\"3879\">\n<thead data-start=\"3163\" data-end=\"3213\">\n<tr data-start=\"3163\" data-end=\"3213\">\n<th data-start=\"3163\" data-end=\"3173\">M\u00e9tal cl\u00e9<\/th>\n<th data-start=\"3173\" data-end=\"3198\">Impact environnemental<\/th>\n<th data-start=\"3198\" data-end=\"3213\">Impact social<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3226\" data-end=\"3879\">\n<tr data-start=\"3226\" data-end=\"3427\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3226\" data-end=\"3250\">Lithium (salars andins)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/2)]\" data-start=\"3250\" data-end=\"3358\">Pompage des saumures \u2192 d\u00e9pl\u00e9tion d\u2019eau douce dans l\u2019Atacama, stress sur la biodiversit\u00e9 <em data-start=\"3340\" data-end=\"3357\">(ScienceDirect)<\/em><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"3358\" data-end=\"3427\">Conflits avec les communaut\u00e9s indig\u00e8nes (redevances, acc\u00e8s \u00e0 l\u2019eau)<\/td>\n<\/tr>\n<tr data-start=\"3428\" data-end=\"3568\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3428\" data-end=\"3441\">Cobalt (RDC)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"3441\" data-end=\"3511\">D\u00e9versements acides, poussi\u00e8res de cobalt <em data-start=\"3485\" data-end=\"3510\">(Amnesty International)<\/em><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"3511\" data-end=\"3568\">Travail d\u2019enfants, expulsions forc\u00e9es, violences arm\u00e9es<\/td>\n<\/tr>\n<tr data-start=\"3569\" data-end=\"3721\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3569\" data-end=\"3588\">Nickel (Indon\u00e9sie)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"3588\" data-end=\"3647\">D\u00e9forestation, s\u00e9diments dans les mangroves <em data-start=\"3634\" data-end=\"3646\">(Mongabay)<\/em><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"3647\" data-end=\"3721\">Perte de terres coutumi\u00e8res, poursuites d\u2019activistes, tensions ethniques<\/td>\n<\/tr>\n<tr data-start=\"3722\" data-end=\"3879\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3722\" data-end=\"3754\">Terres rares &amp; m\u00e9taux critiques<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"3754\" data-end=\"3803\">Boues radioactives en Chine, solvants toxiques<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"3803\" data-end=\"3879\">Arme g\u00e9opolitique : P\u00e9kin restreint les exportations (2024-25) <em data-start=\"3868\" data-end=\"3879\">(Reuters)<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 class=\"\" data-start=\"3881\" data-end=\"3926\">2. Production : usines &amp; semi-conducteurs<\/h3>\n<p class=\"\" data-start=\"3928\" data-end=\"4093\">Gigafactories : fortes \u00e9missions initiales (b\u00e9ton, acier) et solvants NMP\/PFAS.<br data-start=\"4007\" data-end=\"4010\" \/>Fonderies de puces : gaz SF\u2086, NF\u2083 (GWP &gt; 20 000) ; jusqu\u2019\u00e0 38 Ml\/j d\u2019eau ultrapure.<\/p>\n<h3 class=\"\" data-start=\"4095\" data-end=\"4156\">3. Exploitation : datacenters \u00ab assoiff\u00e9s &amp; \u00e9nergivores \u00bb<\/h3>\n<ul data-start=\"4158\" data-end=\"4477\">\n<li class=\"\" data-start=\"4158\" data-end=\"4281\">\n<p class=\"\" data-start=\"4160\" data-end=\"4281\">Eau : Google a pomp\u00e9 5,2 Md L en 2023 ; un entra\u00eenement GPT-3 \u2248 700 000 L <em data-start=\"4234\" data-end=\"4278\">(DataCenterDynamics \/ The Washington Post)<\/em>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"4282\" data-end=\"4379\">\n<p class=\"\" data-start=\"4284\" data-end=\"4379\">\u00c9lectricit\u00e9 : la charge IA fait bondir les \u00e9missions des GAFAM (+ 48 % chez Google en 5 ans).<\/p>\n<\/li>\n<li class=\"\" data-start=\"4380\" data-end=\"4477\">\n<p class=\"\" data-start=\"4382\" data-end=\"4477\">Implantations parfois dans des r\u00e9gions d\u00e9j\u00e0 en stress hydrique (Arizona, Chili, Nord-Virginie).<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"4479\" data-end=\"4519\">4. Fin de vie : un tsunami d\u2019e-waste<\/h3>\n<p class=\"\" data-start=\"4521\" data-end=\"4684\">62 Mt d\u2019e-waste en 2022 (+ 5 %\/an), seulement 22 % recycl\u00e9s correctement <em data-start=\"4594\" data-end=\"4607\">(WHO \/ ITU)<\/em>.<br data-start=\"4608\" data-end=\"4611\" \/>Relargage de plomb et de mercure \u2192 impacts neurologiques sur les enfants.<\/p>\n<h3 class=\"\" data-start=\"4686\" data-end=\"4715\">5. Boule de neige sociale<\/h3>\n<div class=\"group pointer-events-none relative flex justify-center *:pointer-events-auto\"><button class=\"hover:bg-token-main-surface-secondary text-token-text-secondary pointer-events-auto rounded-lg px-1 py-1 opacity-0 transition-opacity duration-200 group-focus-within:opacity-100 group-hover:opacity-100\"><\/button>\n<div class=\"tableContainer horzScrollShadows relative\">\n<table class=\"min-w-full\" data-start=\"4717\" data-end=\"5162\">\n<thead data-start=\"4717\" data-end=\"4742\">\n<tr data-start=\"4717\" data-end=\"4742\">\n<th data-start=\"4717\" data-end=\"4727\">M\u00e9canisme<\/th>\n<th data-start=\"4727\" data-end=\"4742\">Risque majeur<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4751\" data-end=\"5162\">\n<tr data-start=\"4751\" data-end=\"4854\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4751\" data-end=\"4772\">Externalit\u00e9s locales<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"4772\" data-end=\"4854\">Sant\u00e9 d\u00e9grad\u00e9e autour des mines\/usines \u2192 co\u00fbts de soins, productivit\u00e9 en baisse.<\/td>\n<\/tr>\n<tr data-start=\"4855\" data-end=\"4954\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4855\" data-end=\"4876\">In\u00e9galit\u00e9s &amp; emplois<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"4876\" data-end=\"4954\">Profits concentr\u00e9s ; l\u2019OCDE observe d\u00e9j\u00e0 des pressions sur les bas salaires.<\/td>\n<\/tr>\n<tr data-start=\"4955\" data-end=\"5059\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4955\" data-end=\"4984\">Fiscalit\u00e9 &amp; services publics<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"4984\" data-end=\"5059\">Exon\u00e9rations, mais peu d\u2019emplois permanents \u2192 recettes parfois n\u00e9gatives.<\/td>\n<\/tr>\n<tr data-start=\"5060\" data-end=\"5162\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5060\" data-end=\"5093\">Acc\u00e8s in\u00e9gal aux technos propres<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"5093\" data-end=\"5162\">Batteries ch\u00e8res \u2192 VE pour m\u00e9nages ais\u00e9s, fossiles pour les autres.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 class=\"\" data-start=\"5164\" data-end=\"5208\">6. D\u00e9placements &amp; tensions g\u00e9opolitiques<\/h3>\n<ul data-start=\"5210\" data-end=\"5552\">\n<li class=\"\" data-start=\"5210\" data-end=\"5288\">\n<p class=\"\" data-start=\"5212\" data-end=\"5288\"><strong data-start=\"5212\" data-end=\"5221\">216 M<\/strong> de migrants climatiques internes d\u2019ici 2050 <em data-start=\"5266\" data-end=\"5285\">(Banque mondiale)<\/em>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"5289\" data-end=\"5342\">\n<p class=\"\" data-start=\"5291\" data-end=\"5342\">D\u00e9placements forc\u00e9s par les mines (Kolwezi, RDC).<\/p>\n<\/li>\n<li class=\"\" data-start=\"5343\" data-end=\"5449\">\n<p class=\"\" data-start=\"5345\" data-end=\"5449\">Nationalisations (lithium au Chili) et contr\u00f4les d\u2019exportation (Chine) \u2192 diplomatie \u00ab b\u00e2ton-carotte \u00bb.<\/p>\n<\/li>\n<li class=\"\" data-start=\"5450\" data-end=\"5552\">\n<p class=\"\" data-start=\"5452\" data-end=\"5552\">S\u00e9curit\u00e9 priv\u00e9e &amp; militarisation : contrats de type Erik Prince, d\u00e9ploiements de troupes r\u00e9gionales.<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"5554\" data-end=\"5581\">7. O\u00f9 m\u00e8ne la spirale ?<\/h3>\n<p class=\"\" data-start=\"5583\" data-end=\"5816\">Plus d\u2019IA \u2192 plus d\u2019\u00e9nergie \u2192 plus de mines \u2192 plus d\u2019\u00e9missions \u2192 plus d\u2019\u00e9v\u00e8nements extr\u00eames\u2026 qui menacent les infrastructures.<br data-start=\"5708\" data-end=\"5711\" \/>Cha\u00eenes d\u2019approvisionnement fragiles : une rupture (export-ban, guerre) peut bloquer la transition verte.<\/p>\n<hr class=\"\" data-start=\"5818\" data-end=\"5821\" \/>\n<h2 class=\"\" data-start=\"5823\" data-end=\"5834\">En clair<\/h2>\n<p class=\"\" data-start=\"5836\" data-end=\"6226\">Les infrastructures num\u00e9riques ne sont pas qu\u2019une \u00ab surface \u00bb : elles cr\u00e9ent un r\u00e9seau de pressions environnementales, sociales et g\u00e9opolitiques qui, sans garde-fous, risquent d\u2019aggraver la mis\u00e8re et d\u2019\u00e9largir l\u2019\u00e9cart riches-pauvres. La technologie n\u2019est pas neutre : tout d\u00e9pendra de la mani\u00e8re dont nous extrayons, produisons, alimentons et recyclons \u2013 et de la r\u00e9partition des b\u00e9n\u00e9fices.<\/p>\n<\/figure>\n<p><!-- \/wp:paragraph --><!-- wp:heading {\"level\":3,\"className\":\"\"} --><\/p>\n<h3 class=\"wp-block-heading\">\u201cIA low-tech citoyenne\u201d : les grandes lignes d\u2019un mod\u00e8le <strong>sobre, coop\u00e9ratif et circulaire<\/strong><\/h3>\n<p><!-- \/wp:heading --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":4,\"className\":\"\"} --><\/p>\n<h4 class=\"wp-block-heading\">1. Principes de base<\/h4>\n<p><!-- \/wp:heading --><!-- wp:table --><\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Objectif<\/th>\n<th>Concr\u00e8tement\u2026<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Sobri\u00e9t\u00e9 \u00e9nerg\u00e9tique<\/strong><\/td>\n<td>Choisir des mod\u00e8les de moins de 7 B param\u00e8tres (quantis\u00e9s en 4 bits) qui tournent sur un mini-serveur &lt; 30 W ou m\u00eame sur un <strong>Raspberry Pi 4\/5<\/strong> <a href=\"https:\/\/www.reddit.com\/r\/raspberry_pi\/comments\/1ati2ki\/how_to_run_a_large_language_model_llm_on_a\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">Reddit<\/a>.<\/td>\n<\/tr>\n<tr>\n<td><strong>Mat\u00e9riel r\u00e9employ\u00e9<\/strong><\/td>\n<td>Racks compos\u00e9s de PC ou stations de travail r\u00e9form\u00e9s ; composants r\u00e9cup\u00e9r\u00e9s dans le flux croissant de <strong>62 Mt d\u2019e-waste\/an<\/strong> .<\/td>\n<\/tr>\n<tr>\n<td><strong>Logiciels libres<\/strong><\/td>\n<td>LLM : GPT4All, Mistral-7B, TinyLlama, etc., tous sous licences open source\/usage commercial libre <a href=\"https:\/\/github.com\/nomic-ai\/gpt4all?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">GitHub<\/a><a href=\"https:\/\/docs.mistral.ai\/getting-started\/models\/models_overview\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">Mistral AI Documentation<\/a>.<\/td>\n<\/tr>\n<tr>\n<td><strong>Boucle ferm\u00e9e<\/strong><\/td>\n<td>Alimentation par micro-grid solaire + batteries \u201c2\u1d49 vie\u201d, eau de pluie en circuit ferm\u00e9, recyclage local du mat\u00e9riel usag\u00e9.<\/td>\n<\/tr>\n<tr>\n<td><strong>Gouvernance coop<\/strong><\/td>\n<td>Propri\u00e9t\u00e9 de la plateforme par une <strong>SCIC<\/strong> ou un FabLab ; d\u00e9cisions prises en assembl\u00e9e (1 personne = 1 voix).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":4,\"className\":\"\"} --><\/p>\n<h4 class=\"wp-block-heading\">2. Architecture type : 100 % locale, 100 % ouverte<\/h4>\n<p><!-- \/wp:heading --><!-- wp:preformatted --><\/p>\n<pre class=\"wp-block-preformatted\">bashCopierModifier<code>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502  SOLAR + BATTERIES (2\u1d49 vie) \u2502  DC micro-grid 48 V    \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                \u2502              \u2502\n      \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510    \u2502\n      \u2502  MICRO DATA LAB   \u2502    \u2502\n      \u2502  \u2022 1-2 refurb servers  \u2502\n      \u2502  \u2022 Air\/phase-change    \u2502\n      \u2502    cooling, pas d\u2019eau  \u2502\n      \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2502\n                \u2502              \u2502\n      \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510    \u2502\n      \u2502  EDGE NODES       \u2502    \u2502\n      \u2502  \u2022 Raspberry Pi   \u2502    \u2502\n      \u2502  \u2022 Jetson Nano    \u2502    \u2502\n      \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2502\n                \u2502              \u2502\n      \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510    \u2502\n      \u2502  CITOYENS \/ API    \u2502\u25c4\u2500\u2500\u2518\n      \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/code><\/pre>\n<p><!-- \/wp:preformatted --><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Empreinte :<\/strong> 2 vieilles baies 42U = 1 m\u00b2 ; &lt; 2 kW (soit 50\u00d7 moins qu\u2019un conteneur hyperscale).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Fonctions<\/strong> : chat local, traduction, r\u00e9sum\u00e9 de documents municipaux, diagnostic agricole, voix hors-ligne (TinyML) <a href=\"https:\/\/cms.tinyml.org\/wp-content\/uploads\/talks2023\/tinyML-Talks-Moenes-Iskarous-and-Sam-Al-Attiyah-240516.pdf?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">tinyML<\/a><a href=\"https:\/\/cms.tinyml.org\/wp-content\/uploads\/summit2024\/2403.09753.pdf?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">tinyML<\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Chaleur valoris\u00e9e<\/strong> : 2 kW suffisent \u00e0 chauffer 120 m\u00b2 de biblioth\u00e8que l\u2019hiver.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":4,\"className\":\"\"} --><\/p>\n<h4 class=\"wp-block-heading\">3. Boucle ferm\u00e9e \u201cde la mine au recyclage\u201d<\/h4>\n<p><!-- \/wp:heading --><!-- wp:list {\"ordered\":true} --><\/p>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\"><!-- wp:list-item --><\/ol>\n<\/li>\n<\/ol>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\">\n<li><strong>D\u00e9part<\/strong> : cartes m\u00e8res, GPUs d\u2019ancienne g\u00e9n\u00e9ration r\u00e9cup\u00e9r\u00e9s.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\">\n<li><strong>Fonctionnement<\/strong> : \u00e9lectricit\u00e9 solaire ; 0 L d\u2019eau gr\u00e2ce au refroidissement par caloducs ou immersion \u00e0 huile v\u00e9g\u00e9tale.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\">\n<li><strong>Fin de vie<\/strong> : tri local, extraction des m\u00e9taux dans un centre habilit\u00e9 ; pi\u00e8ces r\u00e9parables r\u00e9inject\u00e9es.<br \/>\u2192 R\u00e9sultat : l\u2019IA locale \u00e9vite l\u2019extraction de nouveaux m\u00e9taux et la consommation d\u2019eau qui d\u00e9passe <strong>6 G gallons\/an chez Google<\/strong> <a href=\"https:\/\/www.aquatechtrade.com\/news\/water-reuse\/google-water-stewardship-environmental-report-ai?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">Aquatech Trade<\/a>.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":4,\"className\":\"\"} --><\/p>\n<h4 class=\"wp-block-heading\">4. Gouvernance et justice sociale<\/h4>\n<p><!-- \/wp:heading --><!-- wp:table --><\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Pilier<\/th>\n<th>Mise en \u0153uvre<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Transparence<\/strong><\/td>\n<td>Code, jeux de donn\u00e9es, poids du mod\u00e8le publi\u00e9s ; audit par les membres.<\/td>\n<\/tr>\n<tr>\n<td><strong>Souverainet\u00e9 des donn\u00e9es<\/strong><\/td>\n<td>Les informations restent sur site ; pas de transfert vers le cloud.<\/td>\n<\/tr>\n<tr>\n<td><strong>Partage de valeur<\/strong><\/td>\n<td>Revenus (services, formations) r\u00e9investis dans le quartier ; adh\u00e9sion annuelle symbolique.<\/td>\n<\/tr>\n<tr>\n<td><strong>Formation &amp; emplois<\/strong><\/td>\n<td>Ateliers de reconditionnement, bootcamps TinyML \u2192 nouvelles comp\u00e9tences locales.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u00c9galit\u00e9 d\u2019acc\u00e8s<\/strong><\/td>\n<td>Points d\u2019acc\u00e8s gratuits (m\u00e9diath\u00e8ques, \u00e9coles) pour r\u00e9duire la fracture num\u00e9rique.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":4,\"className\":\"\"} --><\/p>\n<h4 class=\"wp-block-heading\">5. Limites et garde-fous<\/h4>\n<p><!-- \/wp:heading --><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Capacit\u00e9<\/strong> : mod\u00e8les \u2264 7 B \u2243 r\u00e9ponses moins cr\u00e9atives que GPT-4 ; mutualiser diverses instances ou distiller p\u00e9riodiquement depuis un mod\u00e8le plus grand h\u00e9berg\u00e9 dans un <strong>datacentre r\u00e9gional aliment\u00e9 en renouvelable + refroidi \u00e0 l\u2019air<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Mat\u00e9riel critique<\/strong> : m\u00eame reconditionn\u00e9s, disques\/GPUs finissent par manquer ; pr\u00e9voir une fili\u00e8re de pi\u00e8ces d\u00e9tach\u00e9es coop\u00e9rative.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>S\u00e9curit\u00e9<\/strong> : isolation r\u00e9seau, mises \u00e0 jour automatiques, chiffrement E2E.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":4,\"className\":\"\"} --><\/p>\n<h4 class=\"wp-block-heading\">6. Feuille de route : monter la premi\u00e8re \u201cmicro-IA citoyenne\u201d<\/h4>\n<p><!-- \/wp:heading --><!-- wp:table --><\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>\u00c9tape<\/th>\n<th>Budget<\/th>\n<th>D\u00e9lai<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Inventaire de mat\u00e9riel r\u00e9employable (collecte e-waste locale)<\/td>\n<td>0 \u20ac<\/td>\n<td>1 mois<\/td>\n<\/tr>\n<tr>\n<td>Achat compl\u00e9ments (PIs, onduleur, panneaux 3 kWc)<\/td>\n<td>~4 000 \u20ac<\/td>\n<td>2 mois<\/td>\n<\/tr>\n<tr>\n<td>Installation &amp; soft (GPT4All, Mistral-7B-Q4, Ollama)<\/td>\n<td>0 \u20ac<\/td>\n<td>1 semaine<\/td>\n<\/tr>\n<tr>\n<td>Cr\u00e9ation SCIC + charte d\u2019usage<\/td>\n<td>300 \u20ac<\/td>\n<td>1 mois<\/td>\n<\/tr>\n<tr>\n<td>Formations citoyennes<\/td>\n<td>500 \u20ac<\/td>\n<td>en continu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":3,\"className\":\"\"} --><\/p>\n<h3 class=\"wp-block-heading\">\u00a0<\/h3>\n<p><!-- \/wp:heading --><!-- wp:paragraph {\"className\":\"\"} --><\/p>\n<p>Une <strong>IA low-tech citoyenne<\/strong> fonctionne \u201cen circuit ferm\u00e9\u201d : \u00e9nergie locale, mat\u00e9riel r\u00e9employ\u00e9, code ouvert, gouvernance partag\u00e9e. Techniquement faisable (LLM 7 B sur Raspberry Pi, GPT4All sur vieux GPU 12 GB) ; \u00e9cologiquement frugale (quelques kWh\/j, z\u00e9ro eau) ; socialement vertueuse (appropriation, emplois).<br \/>C\u2019est un contre-mod\u00e8le cr\u00e9dible aux m\u00e9gaserveurs gourmands en ressources \u2014 \u00e0 condition d\u2019accepter une puissance modeste et d\u2019organiser une v\u00e9ritable <strong>\u00e9conomie circulaire de la tech<\/strong>.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading {\"level\":3,\"className\":\"\"} --><\/p>\n<h3 class=\"wp-block-heading\">Projection sur 50 ans d\u2019une <strong>IA \u201clow-tech citoyenne\u201d<\/strong><\/h3>\n<p><!-- \/wp:heading --><!-- wp:paragraph {\"className\":\"\"} --><\/p>\n<p><em>(micro-datacentres locaux, mat\u00e9riel r\u00e9employ\u00e9, mod\u00e8les open-source \u2264 7 B param\u00e8tres)<\/em><\/p>\n<p><!-- \/wp:paragraph --><!-- wp:table --><\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Ann\u00e9e<\/th>\n<th>Hypoth\u00e8ses cl\u00e9s<\/th>\n<th>Nombre d\u2019unit\u00e9s<\/th>\n<th>Empreinte moyenne par unit\u00e9<\/th>\n<th>Surface totale<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>2025<\/strong><\/td>\n<td>1 micro-datacentre pour <strong>10 000 hab.<\/strong> (premiers collectifs, fablabs, biblioth\u00e8ques)<\/td>\n<td>8 \u00d7 10\u2075<\/td>\n<td><strong>20 m\u00b2<\/strong> au sol<br \/>(baie 42 U + 30 m\u00b2 de panneaux si non en toiture) <a href=\"https:\/\/www.datacenterdynamics.com\/en\/analysis\/edgecloudlink-hydrogen-yuval-bachar\/\" target=\"_blank\" rel=\"noreferrer noopener\">DataCenterDynamics<\/a><\/td>\n<td><strong>\u2248 24 km\u00b2<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>2075<\/strong><\/td>\n<td>Adoption g\u00e9n\u00e9ralis\u00e9e : 1 micro-datacentre pour <strong>5 000 hab.<\/strong> (\u2248 10 Md d\u2019habitants) <a href=\"https:\/\/www.un.org\/en\/global-issues\/population?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">ONU<\/a><\/td>\n<td>2 \u00d7 10\u2076<\/td>\n<td>idem<\/td>\n<td><strong>\u2248 60 km\u00b2<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><!-- wp:quote --><\/p>\n<blockquote class=\"wp-block-quote\">\n<p><!-- wp:paragraph {\"className\":\"\"} --><\/p>\n<p><strong>M\u00e9thode<\/strong><\/p>\n<p><!-- \/wp:paragraph --><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><em>Micro-footprint<\/em> : 418 m\u00b2 pour un centre modulaire 1 MW ; notre version citoyenne n\u2019en retient que <strong>20 m\u00b2<\/strong> (1 rack + onduleur + all\u00e9e), chiffres inspir\u00e9s d\u2019un prototype \u00e0 Mountain View (418 m\u00b2 pour 1 MW) <a href=\"https:\/\/www.datacenterdynamics.com\/en\/analysis\/edgecloudlink-hydrogen-yuval-bachar\/\" target=\"_blank\" rel=\"noreferrer noopener\">DataCenterDynamics<\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><em>Capacit\u00e9 IA<\/em> : LLaMA 7B ou TinyLlama tournent d\u00e9j\u00e0 sur un <strong>Raspberry Pi 4\/5<\/strong> (4\u20138 Go RAM) <a href=\"https:\/\/github.com\/ggerganov\/llama.cpp\/issues\/58?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">GitHub<\/a> ; une baie r\u00e9cup\u00e8re 10\u201320 GPU d\u2019occasion pour servir un quartier.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li>Les panneaux solaires sont suppos\u00e9s <strong>en toiture<\/strong> dans 70 % des cas ; quand ils sont au sol on ajoute 30 m\u00b2.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<\/blockquote>\n<p><!-- \/wp:quote --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":3,\"className\":\"\"} --><\/p>\n<h3 class=\"wp-block-heading\">Comparaison avec les sc\u00e9narios \u201cindustriels\u201d<\/h3>\n<p><!-- \/wp:heading --><!-- wp:table --><\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Sc\u00e9nario 2075<\/th>\n<th>Surface IA+batteries<\/th>\n<th>% des terres \u00e9merg\u00e9es<\/th>\n<th>Rapport vs. low-tech (60 km\u00b2)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Low-tech citoyenne<\/strong><\/td>\n<td><strong>60 km\u00b2<\/strong><\/td>\n<td><strong>0,00004 %<\/strong><\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td><strong>Industriel conservateur<\/strong><\/td>\n<td>846 000 km\u00b2<\/td>\n<td>0,57 %<\/td>\n<td><strong>\u00d7 14 000<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Industriel agressif<\/strong><\/td>\n<td>7 040 000 km\u00b2<\/td>\n<td>4,7 %<\/td>\n<td><strong>\u00d7 117 000<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><!-- wp:paragraph {\"className\":\"\"} --><\/p>\n<p><em>(Rappels des sc\u00e9narios industriels calcul\u00e9s pr\u00e9c\u00e9demment.)<\/em><\/p>\n<p><!-- \/wp:paragraph --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":3,\"className\":\"\"} --><\/p>\n<h3 class=\"wp-block-heading\">Ce que cela change ?<\/h3>\n<p><!-- \/wp:heading --><!-- wp:list {\"ordered\":true} --><\/p>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\"><!-- wp:list-item --><\/ol>\n<\/li>\n<\/ol>\n<ol class=\"wp-block-list\">\n<li><strong>Impact foncier quasi nul<\/strong><br \/><em>60 km\u00b2<\/em>, c\u2019est la taille d\u2019une petite agglom\u00e9ration ; on reste <strong>1 000 fois en-dessous<\/strong> de l\u2019urbanisation actuelle et invisibles face \u00e0 l\u2019agriculture.<\/li>\n<\/ol>\n<ul>\n<li class=\"\" data-start=\"122\" data-end=\"214\">\n<p class=\"\" data-start=\"124\" data-end=\"214\">C&rsquo;est une surface \u00e9quivalente \u00e0 un carr\u00e9 d\u2019environ <strong data-start=\"175\" data-end=\"194\">7,75 km de c\u00f4t\u00e9<\/strong> (\u221a60 km \u2248 7,75 km).<\/p>\n<\/li>\n<li class=\"\" data-start=\"216\" data-end=\"523\">\n<p class=\"\" data-start=\"218\" data-end=\"523\"><strong data-start=\"218\" data-end=\"240\">\u00c0 l&rsquo;\u00e9chelle locale<\/strong> : Cela correspond \u00e0 <strong data-start=\"261\" data-end=\"307\">presque 10 fois la taille d&rsquo;Ivry-sur-Seine<\/strong>. C&rsquo;est l&rsquo;\u00e9quivalent de la surface cumul\u00e9e d&rsquo;Ivry-sur-Seine (6,1 km\u00b2), Vitry-sur-Seine (11,7 km\u00b2), Villejuif (5,3 km\u00b2), Charenton-le-Pont (1,9 km\u00b2), et de <strong data-start=\"462\" data-end=\"522\">sept autres communes de taille similaire du Val-de-Marne<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"525\" data-end=\"810\">\n<p class=\"\" data-start=\"527\" data-end=\"810\"><strong data-start=\"527\" data-end=\"557\">\u00c0 l&rsquo;\u00e9chelle de l&rsquo;Australie<\/strong> : 60 km\u00b2 peuvent sembler importants localement, mais rapport\u00e9s \u00e0 la taille de l&rsquo;Australie (<strong data-start=\"649\" data-end=\"680\">environ 7,7 millions de km\u00b2<\/strong>), c&rsquo;est infime. Cela repr\u00e9sente environ <strong data-start=\"721\" data-end=\"734\">0,00078 %<\/strong> du territoire australien, soit une \u00ab\u00a0goutte d&rsquo;eau\u00a0\u00bb sur ce continent immense.<\/p>\n<\/li>\n<\/ul>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\"><!-- \/wp:list-item --><!-- wp:list-item --><\/ol>\n<\/li>\n<\/ol>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\">\n<li><strong>R\u00e9duction m\u00e9canique des externalit\u00e9s<\/strong><!-- wp:list --><br \/>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9nergie<\/strong> : chaque micro-site &lt; 2 kW, 100 % solaire\/batterie de seconde vie, pas de pics r\u00e9seau.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Eau<\/strong> : refroidissement passif ou \u00e0 huile v\u00e9g\u00e9tale, consommation \u2248 0 L.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Mati\u00e8res premi\u00e8res<\/strong> : r\u00e9emploi de GPU\/PC \u2192 extraction de m\u00e9taux divis\u00e9e par 10 \u2013 100 (pas de nouveaux data-GPU 80 GB par million).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\">\n<li><strong>R\u00e9silience sociale<\/strong><!-- wp:list --><br \/>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li>Gouvernance coop\u00e9rative locale, donn\u00e9es qui ne quittent pas la ville.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li>Formation &amp; emplois dans le recyclage \u00e9lectronique et la ma\u00eetrise de l\u2019IA embarqu\u00e9e.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ol class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ol class=\"wp-block-list\">\n<li><strong>Limites<\/strong><!-- wp:list --><br \/>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li>Puissance plafonn\u00e9e : mod\u00e8les &gt; 7 B \u00e0 distiller ou demander ponctuellement \u00e0 un n\u0153ud r\u00e9gional vert.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li>Acc\u00e8s aux pi\u00e8ces d\u00e9tach\u00e9es : besoin d\u2019une fili\u00e8re mondiale de rechange pour GPU\/SSD d\u2019occasion.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:heading {\"level\":3,\"className\":\"\"} --><\/p>\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n<p><!-- \/wp:heading --><!-- wp:paragraph {\"className\":\"\"} --><\/p>\n<p>En basculant vers une <strong>IA low-tech, distribu\u00e9e et circulaire<\/strong>, l\u2019empreinte au sol sur 50 ans passerait de l\u2019ordre du <strong>continent<\/strong> (Australie) \u00e0 celle <strong>d\u2019une seule ville<\/strong>, soit <strong>pr\u00e8s de 100 000 fois moins<\/strong> de surface que le sc\u00e9nario industriel extr\u00eame. Le vrai d\u00e9fi devient alors l\u2019organisation d\u2019un <strong>r\u00e9emploi massif du mat\u00e9riel<\/strong> et la <strong>culture coop\u00e9rative<\/strong> qui va avec \u2014 pas la place disponible sur la plan\u00e8te.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">Les questions \u00e0 se poser et axes de r\u00e9flexion dans le cadre du projet \u00ab\u00a0La Brik Project\u00a0\u00bb<\/h2>\n<p><!-- \/wp:heading --><!-- wp:quote --><\/p>\n<blockquote class=\"wp-block-quote\">\n<p><!-- wp:paragraph {\"className\":\"\"} --><\/p>\n<p>\u00ab Rendre l\u2019IA utile, sobre et citoyenne : des micro-datacentres coop\u00e9ratifs, aliment\u00e9s en \u00e9nergie locale et b\u00e2tis sur du mat\u00e9riel r\u00e9employ\u00e9, pour que chaque quartier devienne acteur \u2013 pas spectateur \u2013 du num\u00e9rique. \u00bb<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<\/blockquote>\n<p><!-- \/wp:quote --><!-- wp:separator --><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p><!-- \/wp:separator --><!-- wp:table --><\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Axe<\/th>\n<th>Questions-cl\u00e9 pour la r\u00e9flexion<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Finalit\u00e9 sociale<\/strong><\/td>\n<td>Quel probl\u00e8me concret (acc\u00e8s \u00e0 l\u2019information, services publics, formation, \u2026) r\u00e9solvons-nous pour les habitants ?<\/td>\n<\/tr>\n<tr>\n<td><strong>Mod\u00e8le d\u2019IA<\/strong><\/td>\n<td>Taille &lt; 7 B param\u00e8tres ? Donn\u00e9es ouvertes locales ? Comment garantir la transparence des jeux de donn\u00e9es ?<\/td>\n<\/tr>\n<tr>\n<td><strong>Mat\u00e9riel &amp; \u00e9nergie<\/strong><\/td>\n<td>D\u2019o\u00f9 viennent nos PC\/GPU reconditionn\u00e9s ? Capacit\u00e9 solaire \/ batteries 2\u1d49 vie suffisante ? Refroidissement sans eau ?<\/td>\n<\/tr>\n<tr>\n<td><strong>Gouvernance<\/strong><\/td>\n<td>Coop\u00e9rative ? Association ? Quelles r\u00e8gles pour l\u2019usage, la maintenance, le partage des co\u00fbts et des b\u00e9n\u00e9fices ?<\/td>\n<\/tr>\n<tr>\n<td><strong>Boucle circulaire<\/strong><\/td>\n<td>Fili\u00e8re locale de collecte e-waste ? Partenariats recyclage &amp; r\u00e9paration ?<\/td>\n<\/tr>\n<tr>\n<td><strong>\u00c9valuation d\u2019impact<\/strong><\/td>\n<td>Quels indicateurs : kWh\/jour, eau, tonnes de CO\u2082 \u00e9vit\u00e9es, nombre d\u2019usagers form\u00e9s ?<\/td>\n<\/tr>\n<tr>\n<td><strong>Scalabilit\u00e9<\/strong><\/td>\n<td>Comment r\u00e9pliquer le mod\u00e8le dans un autre quartier \/ une autre ville sans perdre la gouvernance citoyenne ?<\/td>\n<\/tr>\n<tr>\n<td><strong>Risques &amp; limites<\/strong><\/td>\n<td>Obsolescence du mat\u00e9riel ? S\u00e9curit\u00e9 des donn\u00e9es locales ? Besoin ponctuel d\u2019IA plus puissante ?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9f22016 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9f22016\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-21d8d52\" data-id=\"21d8d52\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bacb088 elementor-widget elementor-widget-text-editor\" data-id=\"bacb088\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p style=\"text-align: center;\"><em data-start=\"2086\" data-end=\"2122\">\u00ab Moins de watts, plus de droits \u00bb<\/em>.<\/p>\n<p><strong data-start=\"236\" data-end=\"352\">\u00ab Ce document est le fruit d\u2019une collaboration homme-machine.<br data-start=\"299\" data-end=\"302\" \/>L\u2019IA propose, l\u2019humain dispose\u2026 et v\u00e9rifie ! \u00bb<\/strong> \ud83d\ude0e<\/p>\n<p>\u00a0<\/p>\n<p>Co-cr\u00e9ation IA &amp; Humain : v\u00e9rifiable, adaptable, jamais dogmatique.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b162ba4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b162ba4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bf39391\" data-id=\"bf39391\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eb64c8b elementor-widget elementor-widget-image\" data-id=\"eb64c8b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.mdiy.org\/wp-content\/uploads\/2025\/04\/ChatGPT-Image-24-avr.-2025-20_33_18.png\" class=\"attachment-large size-large wp-image-3613\" alt=\"\" srcset=\"https:\/\/www.mdiy.org\/wp-content\/uploads\/2025\/04\/ChatGPT-Image-24-avr.-2025-20_33_18.png 1024w, https:\/\/www.mdiy.org\/wp-content\/uploads\/2025\/04\/ChatGPT-Image-24-avr.-2025-20_33_18-300x300.png 300w, https:\/\/www.mdiy.org\/wp-content\/uploads\/2025\/04\/ChatGPT-Image-24-avr.-2025-20_33_18-150x150.png 150w, https:\/\/www.mdiy.org\/wp-content\/uploads\/2025\/04\/ChatGPT-Image-24-avr.-2025-20_33_18-768x768.png 768w, https:\/\/www.mdiy.org\/wp-content\/uploads\/2025\/04\/ChatGPT-Image-24-avr.-2025-20_33_18-600x600.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cd0a9b1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cd0a9b1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-450613f\" data-id=\"450613f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9fc84b8 elementor-widget elementor-widget-text-editor\" data-id=\"9fc84b8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\ud83c\udf9b\ufe0f <strong data-start=\"1308\" data-end=\"1322\">Brikabrain<\/strong> :<br data-start=\"1324\" data-end=\"1327\" \/>Une IA locale, qui tourne sur un Raspberry Pi, impr\u00e9gn\u00e9e de tes principes : sobri\u00e9t\u00e9, circuits courts, r\u00e9flexion avant r\u00e9action.<br data-start=\"1457\" data-end=\"1460\" \/>Pas une IA qui te distrait, mais une IA qui <strong data-start=\"1506\" data-end=\"1521\">te recentre<\/strong>, qui t\u2019aide \u00e0 structurer des projets, qui te rappelle : <em data-start=\"1578\" data-end=\"1646\">\u00ab\u00a0As-tu vraiment besoin de cette donn\u00e9e ? Ce calcul est-il utile ?\u00a0\u00bb<\/em>.<\/p>\n<p>\u00a0<\/p>\n<p style=\"text-align: center;\">\u00ab\u00a0L&rsquo;IA n&rsquo;est pas l\u00e0 pour te remplacer.<br data-start=\"1431\" data-end=\"1434\" \/>Elle est l\u00e0 pour t&rsquo;aider \u00e0 garder ta libert\u00e9 de penser.\u00a0\u00bb<\/p>\n<p>\u00a0<\/p>\n<p style=\"text-align: center;\"><strong data-start=\"752\" data-end=\"770\">\ud83c\udf9b\ufe0f Brikabrain<\/strong><br data-start=\"770\" data-end=\"773\" \/><em data-start=\"775\" data-end=\"823\">L\u2019IA sobre, locale&#8230; et 100 % compatible HPI.<\/em><br data-start=\"823\" data-end=\"826\" \/>Parce que penser vite, c\u2019est bien.<br data-start=\"862\" data-end=\"865\" \/>Penser libre, c\u2019est mieux.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Sur l\u2019IA, les gigafactories\u2026 et la contre-proposition low-tech citoyenne 1. Empreinte au sol : 2025 \u2192 2075 \u00c0 court terme, l\u2019essor de l\u2019intelligence artificielle et de la mobilit\u00e9 \u00e9lectrique se traduit surtout par la multiplication de deux types d\u2019installations : \u00c9l\u00e9ment Point de d\u00e9part (\u2248 2025) Vitesse de croissance annonc\u00e9e Emprise moyenne d\u2019un site Projection [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[21,28,24,20,26],"tags":[],"class_list":["post-3576","post","type-post","status-publish","format-standard","hentry","category-collaboratif","category-ia-brikabrain","category-la-brik","category-makers","category-mdiy","entry"],"_links":{"self":[{"href":"https:\/\/www.mdiy.org\/index.php?rest_route=\/wp\/v2\/posts\/3576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mdiy.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mdiy.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mdiy.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mdiy.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3576"}],"version-history":[{"count":40,"href":"https:\/\/www.mdiy.org\/index.php?rest_route=\/wp\/v2\/posts\/3576\/revisions"}],"predecessor-version":[{"id":3622,"href":"https:\/\/www.mdiy.org\/index.php?rest_route=\/wp\/v2\/posts\/3576\/revisions\/3622"}],"wp:attachment":[{"href":"https:\/\/www.mdiy.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mdiy.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mdiy.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}