{"id":38578,"date":"2023-01-08T21:04:04","date_gmt":"2023-01-08T20:04:04","guid":{"rendered":"https:\/\/www.naturalscience.org\/?page_id=38578"},"modified":"2023-01-08T21:04:04","modified_gmt":"2023-01-08T20:04:04","slug":"le-numerique-nest-pas-vert-de-lideologie-a-la-realite","status":"publish","type":"page","link":"https:\/\/www.naturalscience.org\/fr\/congres-2022\/lectures\/le-numerique-nest-pas-vert-de-lideologie-a-la-realite\/","title":{"rendered":"Le num\u00e9rique n\u2019est pas vert \u2013 de l\u2019id\u00e9ologie \u00e0 la r\u00e9alit\u00e9"},"content":{"rendered":"<p><i><strong>Marcel Hofmann<\/strong>, MSEE, ing\u00e9nieur \u00e9lectricien dipl\u00f4m\u00e9 ETS, Utzigen, Suisse<\/i><\/p>\n<p>&nbsp;<\/p>\n<p>L\u2019hypoth\u00e8se selon laquelle la num\u00e9risation contribue \u00e0 prot\u00e9ger l\u2019environnement a \u00e9t\u00e9 contredite par Marcel Hofmann dans sa pr\u00e9sentation. L\u2019une des principales raisons est que la num\u00e9risation est bas\u00e9e sur la collecte, la transmission, le traitement et le stockage des donn\u00e9es, ce qui n\u00e9cessite beaucoup d\u2019\u00e9lectricit\u00e9. Le pilier de la num\u00e9risation est la 5G; pour d\u2019autres d\u00e9veloppements tels que les hologrammes et les voitures autonomes, la 6G est d\u00e9j\u00e0 en cours de pr\u00e9paration. Dans ce contexte, les gens parlent souvent de l\u2019efficacit\u00e9 \u00e9nerg\u00e9tique de la 5G. Cela est vrai si vous consid\u00e9rez l\u2019\u00e9nergie par paquet de donn\u00e9es. Ce que l\u2019on oublie, cependant, c\u2019est que beaucoup plus de donn\u00e9es qu\u2019auparavant doivent \u00eatre trait\u00e9es et donc beaucoup plus d\u2019antennes sont n\u00e9cessaires. Selon une \u00e9tude de Huawei, la 5G augmentera la demande d\u2019\u00e9nergie de 21%. Ces donn\u00e9es collect\u00e9es doivent \u00e9galement \u00eatre stock\u00e9es dans des centres de donn\u00e9es, qui d\u00e9pendent aussi de l\u2019\u00e9lectricit\u00e9. Ainsi, l\u2019augmentation de l\u2019\u00e9nergie n\u00e9cessaire entre 2019 et 2024 pour exploiter les quelque 85centres de donn\u00e9es en Suisse correspond \u00e0 l\u2019\u00e9nergie produite par une centrale nucl\u00e9aire suisse. Pour une seule requ\u00eate de recherche sur Google, il faut 0,3wattheure. Cela signifie que les plus de trois billions de requ\u00eates de recherche mondiales sur Google consomment \u00e0 elles seules environ 900GWh par an, ce qui correspond aux 3\/4 de la consommation \u00e9lectrique annuelle d\u2019une ville comme B\u00e2le (Suisse). Et le fonctionnement du petit nombre de 1,5million de taxis robots g\u00e9n\u00e9rerait le m\u00eame volume de donn\u00e9es que celui produit par l\u2019utilisation d\u2019Internet par l\u2019ensemble de la population mondiale! <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-size-400 wp-image-38038\" src=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/HOLOGRAM-400x225.jpg\" alt=\"\" width=\"400\" height=\"225\" srcset=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/HOLOGRAM-400x225.jpg 400w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/HOLOGRAM-300x169.jpg 300w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/HOLOGRAM-1024x576.jpg 1024w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/HOLOGRAM-768x432.jpg 768w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/HOLOGRAM-164x92.jpg 164w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/HOLOGRAM-500x281.jpg 500w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/HOLOGRAM.jpg 1280w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>Nous devons \u00eatre conscients que la num\u00e9risation est bas\u00e9e sur des donn\u00e9es. Et les donn\u00e9es sont le p\u00e9trole du 21\u00e8me si\u00e8cle. Ainsi, la num\u00e9risation cr\u00e9e de nouveaux probl\u00e8mes, car la collecte accrue de donn\u00e9es favorise une surveillance accrue. Marcel Hofmann souligne que chaque action sur Internet laisse une trace de donn\u00e9es. Savez vous ce que vous r\u00e9v\u00e9lez consciemment ou inconsciemment sur vous m\u00eame sur Internet?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-38039 size-size-500\" src=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/RESSOURCES-500x281.jpg\" alt=\"\" width=\"500\" height=\"281\" srcset=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/RESSOURCES-500x281.jpg 500w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/RESSOURCES-300x169.jpg 300w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/RESSOURCES-1024x576.jpg 1024w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/RESSOURCES-768x432.jpg 768w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/RESSOURCES-164x92.jpg 164w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/RESSOURCES-400x225.jpg 400w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/11\/RESSOURCES.jpg 1280w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>L\u2019impact de la num\u00e9risation sur la nature n\u2019est pas n\u00e9gligeable non plus. La fabrication d\u2019une voiture \u00e9lectrique n\u00e9cessite quatre fois plus de cuivre qu\u2019un v\u00e9hicule classique \u00e0 essence ou au gazole; d\u2019ici 2030, ce serait 30fois plus qu\u2019aujourd\u2019hui! La production de voitures \u00e9lectriques, de parcs \u00e9oliens ou de smartphones n\u00e9cessite \u00e9galement des terres rares ainsi que du lithium, du cobalt, du mangan\u00e8se ou du cuivre. C\u2019est surtout dans les grands fonds marins que l\u2019extraction de ces ressources est une source de pr\u00e9occupation, car elle entra\u00eene des dommages irr\u00e9versibles \u00e0 l\u2019\u00e9cosyst\u00e8me et \u00e0 ses habitants, comme l\u2019a d\u00e9montr\u00e9 de mani\u00e8re impressionnante la sp\u00e9cialiste marine de The World Foundation for Natural Science, Sabrina Amico, MA, dans sa contribution. Les grand fonds marins repr\u00e9sentent 95% du volume de l\u2019oc\u00e9an et couvrent 54% de la surface totale de la Terre. Ils forment un habitat tr\u00e8s sensible pour d\u2019innombrables esp\u00e8ces animales et v\u00e9g\u00e9tales; pour beaucoup d\u2019entre elles, leur seul habitat. En fin de compte, les grand fonds marins ont peu de chances de se remettre d\u2019une intervention aussi massive que l\u2019exploitation mini\u00e8re en eau profonde. L\u2019impact pour la Terre dans son ensemble n\u2019est pas pr\u00e9visible.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-38248 size-size-400 aligncenter\" src=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-400x267.jpg\" alt=\"\" width=\"400\" height=\"267\" srcset=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-400x267.jpg 400w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-300x200.jpg 300w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-1024x684.jpg 1024w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-768x513.jpg 768w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-1536x1025.jpg 1536w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-2048x1367.jpg 2048w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-164x109.jpg 164w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2022\/12\/DEEP-SEA.-1-500x334.jpg 500w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>Alors, si la num\u00e9risation consomme plus d\u2019\u00e9lectricit\u00e9, porte gravement atteinte \u00e0 la nature et comporte des risques de s\u00e9curit\u00e9 pour les donn\u00e9es priv\u00e9es des utilisateurs, la question se pose \u00e0 juste titre de savoir ce qui est cens\u00e9 \u00eatre&nbsp;\u00ab&nbsp;vert&nbsp;\u00bb dans le num\u00e9rique. Et n\u2019oublions pas, comme l\u2019a soulign\u00e9 Marcel Hofmann dans ses remarques finales, que la nature fonctionne sous forme analogique!<\/p>\n<p>&nbsp;<\/p>\n<p><small>22 octobre 2022, H\u00f4tel M\u00f6venpick, Regensdorf<\/small><\/p>\n","protected":false},"excerpt":{"rendered":"Marcel Hofmann, MSEE, ing\u00e9nieur \u00e9lectricien dipl\u00f4m\u00e9 ETS, Utzigen, Suisse &nbsp; L\u2019hypoth\u00e8se selon laquelle la num\u00e9risation contribue \u00e0 prot\u00e9ger l\u2019environnement a \u00e9t\u00e9 contredite par Marcel Hofmann dans sa pr\u00e9sentation. L\u2019une des principales raisons est que la num\u00e9risation est bas\u00e9e sur la collecte, la transmission, le traitement et le stockage des donn\u00e9es, ce qui n\u00e9cessite beaucoup d\u2019\u00e9lectricit\u00e9. [&hellip;]","protected":false},"author":14,"featured_media":0,"parent":38565,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"page-full.php","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"class_list":["post-38578","page","type-page","status-publish","hentry","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le num\u00e9rique n\u2019est pas vert \u2013 de l\u2019id\u00e9ologie \u00e0 la r\u00e9alit\u00e9 - The World Foundation for Natural Science<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.naturalscience.org\/fr\/congres-2022\/lectures\/le-numerique-nest-pas-vert-de-lideologie-a-la-realite\/\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/congres-2022\\\/lectures\\\/le-numerique-nest-pas-vert-de-lideologie-a-la-realite\\\/\",\"url\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/congres-2022\\\/lectures\\\/le-numerique-nest-pas-vert-de-lideologie-a-la-realite\\\/\",\"name\":\"Le num\u00e9rique n\u2019est pas vert \u2013 de l\u2019id\u00e9ologie \u00e0 la r\u00e9alit\u00e9 - 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