{"id":5835,"date":"2026-02-10T14:58:07","date_gmt":"2026-02-10T13:58:07","guid":{"rendered":"https:\/\/ccaves.org\/blog\/?p=5835"},"modified":"2026-02-10T14:58:07","modified_gmt":"2026-02-10T13:58:07","slug":"les-energies-non-renouvelables","status":"publish","type":"post","link":"https:\/\/ccaves.org\/blog\/les-energies-non-renouvelables\/","title":{"rendered":"LES \u00c9NERGIES NON RENOUVELABLES"},"content":{"rendered":"

Lien vers le pdf\u00a0 : Les \u00e9nergies non renouvelablesVf1<\/a><\/h3>\n

Qu\u2019est-ce que c\u2019est ?<\/span> <\/strong><\/h2>\n

Les \u00e9nergies non renouvelables <\/strong>\u00a0sont des \u00e9nergies disponibles sur terre dont les ressources sont limit\u00e9es. Elles proviennent de plusieurs sources d\u2019\u00e9nergies fossiles (p\u00e9trole, gaz et charbon) et du nucl\u00e9aire.<\/p>\n

Les \u00e9nergies fossiles<\/strong> sont des sources d’\u00e9nergie d\u00e9riv\u00e9es de la d\u00e9composition de mati\u00e8res organiques anciennes, principalement de plantes et d\u2019animaux, enfouies sous terre depuis des millions d’ann\u00e9es. Ces \u00e9l\u00e9ments, riches en carbone, sont utilis\u00e9s comme combustibles pour produire des carburants, de l\u2019\u00e9lectricit\u00e9 et de la chaleur.<\/p>\n

L\u2019industrie nucl\u00e9aire <\/strong>utilise de l\u2019uranium import\u00e9 de l\u2019\u00e9tranger pour alimenter les centrales. Le danger vient des risques de catastrophes accidentelles (Tchernobyl, Fukushima) et de l\u2019impossibilit\u00e9 de traiter tous\u00a0 les d\u00e9chets, dont les plus radioactifs restent dangereux pendant des milliers d\u2019ann\u00e9es.<\/p>\n

Impact environnemental\u00a0<\/span><\/h2>\n

L\u2019utilisation des \u00e9nergies fossiles a de forts impacts environnementaux\u00a0 contribuant au r\u00e9chauffement climatique :<\/p>\n

Augmentation des temp\u00e9ratures mondiales, des \u00e9v\u00e9nements m\u00e9t\u00e9orologiques extr\u00eames, et acidification des oc\u00e9ans<\/strong>: la combustion de charbon, de p\u00e9trole et de gaz naturel lib\u00e8re de grandes quantit\u00e9s de dioxyde de carbone (CO\u2082), un gaz \u00e0 effet de serre responsable du r\u00e9chauffement climatique.<\/p>\n

Pollution de l’air<\/strong> : la combustion des \u00e9nergies fossiles lib\u00e8re des particules fines, des oxydes de soufre et d’azote et d’autres polluants qui nuisent \u00e0 la qualit\u00e9 de l’air et la sant\u00e9 humaine.<\/p>\n

Pollution des sols et de l\u2019eau<\/strong> : l’extraction de p\u00e9trole (forages), de charbon (mines) et de gaz naturel (fracturation hydraulique) peut entra\u00eener des fuites de substances toxiques dans les sols et les nappes phr\u00e9atiques.<\/p>\n

R\u00e9chauffement des cours d\u2019eau\u00a0:<\/strong> Le fonctionnent d\u2019une centrale nucl\u00e9aire implique un r\u00e9chauffement importante de l\u2019eau rejet\u00e9e qui impacte le biotope.<\/p>\n

Chiffres cl\u00e9s (2022)<\/span><\/h2>\n

Proportion des \u00e9nergies fossiles dans la production mondiale d’\u00e9nergie<\/strong> : environ 80 %<\/strong> de la consommation \u00e9nerg\u00e9tique mondiale provient des combustibles fossiles.<\/p>\n

    \n
  • \u00c9missions mondiales de CO\u2082<\/strong> : les \u00e9nergies fossiles sont responsables de plus de 70 %<\/strong> des \u00e9missions mondiales de CO\u2082.<\/li>\n<\/ul>\n

    Nos propositions\u00a0<\/span><\/h2>\n

    La r\u00e9duction de l\u2019utilisation des \u00e9nergies fossiles est un objectif cl\u00e9\u00a0 de la transition \u00e9nerg\u00e9tique vers une \u00e9conomie bas carbone. Les\u00a0 alternatives comprennent :<\/p>\n

    R\u00e9duire notre consommation d\u2019\u00e9nergie\u00a0 <\/strong>en limitant nos\u00a0 achats de mat\u00e9riel et de produits.<\/p>\n

    Am\u00e9liorer l\u2019efficacit\u00e9 \u00e9nerg\u00e9tique<\/strong> en utilisant des\u00a0 technologies plus efficaces (isolation des b\u00e2timents,\u00a0 v\u00e9hicules \u00e9lectriques) qui permettront de diminuer la\u00a0 demande en \u00e9nergies fossiles<\/p>\n

    D\u00e9velopper les \u00e9nergies renouvelables<\/strong> : l’\u00e9olien, le solaire,\u00a0 l’hydro\u00e9lectricit\u00e9 et la biomasse sont des sources d’\u00e9nergie\u00a0 renouvelable de plus en plus comp\u00e9titives. Elles n’\u00e9puisent pas les ressources naturelles et sont moins polluantes.<\/p>\n

    La transition vers des \u00e9nergies renouvelables est essentielle pour assurer notre future existence sur la plan\u00e8te, mais se passer des \u00e9nergies fossiles demain va demander un r\u00e9el changement de soci\u00e9t\u00e9\u00a0!<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

    Lien vers le pdf\u00a0 : Les \u00e9nergies non renouvelablesVf1 Qu\u2019est-ce que c\u2019est ? Les \u00e9nergies non renouvelables \u00a0sont des \u00e9nergies<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[52],"tags":[],"class_list":["post-5835","post","type-post","status-publish","format-standard","hentry","category-comite-causse-comtal-assocazition-agreee-environnement"],"yoast_head":"\nLES \u00c9NERGIES NON RENOUVELABLES - CCAVES<\/title>\n<meta name=\"description\" content=\"Plateforme d'\u00e9changes et de Coordination des Collectifs et Associations Volontaires en Environnement Sant\u00e9 et Soci\u00e9t\u00e9\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ccaves.org\/blog\/les-energies-non-renouvelables\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LES \u00c9NERGIES NON RENOUVELABLES - 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