{"id":229425,"date":"2023-01-25T12:08:29","date_gmt":"2023-01-25T03:08:29","guid":{"rendered":"https:\/\/dei.so\/?p=229425"},"modified":"2026-09-17T16:32:32","modified_gmt":"2026-09-17T07:32:32","slug":"what-is-the-difference-between-biogenic-and-non-biogenic-carbon","status":"publish","type":"post","link":"https:\/\/dei.so\/fr\/what-is-the-difference-between-biogenic-and-non-biogenic-carbon\/","title":{"rendered":"Quelle est la diff\u00e9rence entre le carbone biog\u00e9nique et non biog\u00e9niquea0?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"229425\" class=\"elementor elementor-229425\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7038912 e-con e-atomic-element e-flexbox-base e-default-div e-43ac7e1\" data-id=\"7038912\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"7038912\">\n    \t\t<div class=\"elementor-element elementor-element-88c85f3 elementor-widget elementor-widget-html\" data-id=\"88c85f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"deiso-biogenic-carbon-block\">\r\n  <style>\r\n    .deiso-biogenic-carbon-block * { box-sizing: border-box; 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}\r\n      .deiso-biogenic-carbon-block table{ min-width:0; }\r\n      .deiso-biogenic-carbon-block thead{ display:none; }\r\n      .deiso-biogenic-carbon-block tbody tr{ display:block; background:#f7fafc !important; border:1px solid rgba(26,26,26,0.06); border-radius:14px; padding:14px 16px; margin-bottom:12px; }\r\n      .deiso-biogenic-carbon-block tbody tr:last-child{ margin-bottom:0; }\r\n      .deiso-biogenic-carbon-block tbody td{ display:block; padding:6px 0 !important; border-bottom:none; font-size:15.5px; }\r\n      .deiso-biogenic-carbon-block tbody td::before{ content:attr(data-label); display:block; font-size:11px; font-weight:600; letter-spacing:0.08em; text-transform:uppercase; color:#006675 !important; margin-bottom:2px; }\r\n      .deiso-biogenic-carbon-block tbody tr:hover td{ background:transparent !important; }\r\n    }\r\n  <\/style>\r\n\r\n  <div class=\"block-outer\">\r\n    <div class=\"block-card\">\r\n\r\n      <div class=\"block-section\">\r\n        <span class=\"block-eyebrow\"><a href=\"https:\/\/dei.so\/fr\/blog-posts\/\">Articles de blog<\/a><\/span>\r\n        <h2>Vue d\u2019ensemble<\/h2>\r\n        <p>\r\n          Carbon is the building block of all organic compounds and moves continuously between living organisms, the atmosphere, the oceans, and the geological record. In carbon accounting and life cycle assessment, that carbon is separated into two categories &mdash; <strong>biog\u00e9nique<\/strong>, issu de la biomasse vivante, et <strong>non biog\u00e9nique<\/strong> ou <strong>fossile<\/strong>, issu des r\u00e9servoirs g\u00e9ologiques.\r\n        <\/p>\r\n        <div class=\"callout-panel\">\r\n          <p>\r\n            La distinction n'est pas chimique. Une mol\u00e9cule de CO\u2082 issue de la combustion du bois est identique \u00e0 une mol\u00e9cule de CO\u2082 issue de la combustion du charbon, et toutes deux retiennent la m\u00eame quantit\u00e9 de chaleur. La distinction concerne <strong>l'origine du carbone et la vitesse \u00e0 laquelle il retourne dans l'atmosph\u00e8re<\/strong> &mdash; and that difference is what determines how each is treated in a carbon footprint, an EPD, or a corporate inventory.\r\n          <\/p>\r\n        <\/div>\r\n        <p style=\"margin-top:18px;\">\r\n          This article defines both categories, gives practical examples across sectors, and explains how each is handled under ISO 14067, ISO 14040\/14044, EN 15804, and the GHG Protocol &mdash; because getting this wrong is one of the most common errors in a product carbon footprint.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"block-section\">\r\n        <h2>Carbone biog\u00e9nique<\/h2>\r\n        <p>\r\n          Le carbone biog\u00e9nique est du carbone capt\u00e9 \u00e0 partir du CO\u2082 atmosph\u00e9rique par les organismes vivants via la photosynth\u00e8se et stock\u00e9 dans la biomasse \u2014 v\u00e9g\u00e9taux, arbres, cultures, animaux et mati\u00e8res organiques qui en sont issues. Il participe au <strong>cycle court du carbone<\/strong>, circulant entre l'atmosph\u00e8re et la biosph\u00e8re sur des p\u00e9riodes allant d'une seule saison de croissance \u00e0 un si\u00e8cle ou davantage, selon l'organisme.\r\n        <\/p>\r\n        <p>\r\n          Comme il a \u00e9t\u00e9 r\u00e9cemment retir\u00e9 de l'atmosph\u00e8re, sa lib\u00e9ration renvoie un carbone que l'atmosph\u00e8re avait c\u00e9d\u00e9 dans un pass\u00e9 r\u00e9cent. Lorsque la source de biomasse repousse, les \u00e9missions et l'absorption s'\u00e9quilibrent sur le cycle de croissance. Lorsqu'elle ne repousse pas, cet \u00e9quilibre est rompu \u2014 c'est la principale r\u00e9serve \u00e0 garder \u00e0 l'esprit sur ce sujet.\r\n        <\/p>\r\n\r\n        <h3>Exemples pratiques de carbone biog\u00e9nique<\/h3>\r\n        <ul class=\"page-list\">\r\n          <li><strong>Bois d'\u0153uvre et bois d'ing\u00e9nierie<\/strong> \u2014 bois de structure, CLT, contreplaqu\u00e9 et panneaux de particules, qui stockent du carbone biog\u00e9nique pendant la dur\u00e9e de vie du b\u00e2timent.<\/li>\r\n          <li><strong>Papier, carton et emballages<\/strong> \u2014 stockage de courte dur\u00e9e, le carbone \u00e9tant lib\u00e9r\u00e9 en fin de vie par d\u00e9composition ou incin\u00e9ration.<\/li>\r\n          <li><strong>Fibres naturelles<\/strong> \u2014 coton, laine, jute, chanvre et viscose issue de p\u00e2te de bois.<\/li>\r\n          <li><strong>Plastiques biosourc\u00e9s<\/strong> \u2014 PLA \u00e0 base d'amidon de ma\u00efs, bio-PE issu d'\u00e9thanol de canne \u00e0 sucre, bio-PET.<\/li>\r\n          <li><strong>Biocarburants<\/strong> \u2014 bio\u00e9thanol, biodiesel, HVO et biom\u00e9thane issu de digestion ana\u00e9robie.<\/li>\r\n          <li><strong>\u00c9nergie issue de la biomasse<\/strong> \u2014 granul\u00e9s de bois, r\u00e9sidus forestiers, bagasse et liqueur noire br\u00fbl\u00e9s dans les usines de p\u00e2te \u00e0 papier.<\/li>\r\n          <li><strong>Produits alimentaires et agricoles<\/strong> \u2014 toutes les cultures, les produits d'\u00e9levage et le carbone contenu dans les d\u00e9chets alimentaires.<\/li>\r\n          <li><strong>Flux de d\u00e9chets organiques<\/strong> \u2014 fraction biog\u00e9nique des d\u00e9chets municipaux, boues d'\u00e9puration et d\u00e9chets verts.<\/li>\r\n          <li><strong>Biochar<\/strong> \u2014 carbone de biomasse converti sous une forme stable et appliqu\u00e9 au sol, o\u00f9 le stockage est durable.<\/li>\r\n          <li><strong>Caoutchouc naturel, li\u00e8ge, bambou et adh\u00e9sifs \u00e0 base d'amidon.<\/strong><\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"block-section\">\r\n        <h2>Carbone non biog\u00e9nique (fossile)<\/h2>\r\n        <p>\r\n          Le carbone non biog\u00e9nique est du carbone stock\u00e9 dans des r\u00e9servoirs g\u00e9ologiques \u2014 charbon, p\u00e9trole, gaz naturel, tourbe dans certains r\u00e9f\u00e9rentiels comptables et carbonates min\u00e9raux tels que le calcaire. Lui aussi provient d'organismes vivants, mais d'il y a plusieurs centaines de millions d'ann\u00e9es, et il est isol\u00e9 de l'atmosph\u00e8re depuis lors. Il circule dans le <strong>cycle long du carbone<\/strong>, sur des p\u00e9riodes de plusieurs millions d'ann\u00e9es.\r\n        <\/p>\r\n        <p>\r\n          Sa combustion ou sa transformation transf\u00e8re du carbone de ce r\u00e9servoir de long terme vers l'atmosph\u00e8re en quelques secondes, sans absorption correspondante \u00e0 une \u00e9chelle de temps pertinente pour l'humain. C'est le fondement m\u00eame du probl\u00e8me climatique\u00a0: un flux \u00e0 sens unique de la g\u00e9ologie vers l'atmosph\u00e8re.\r\n        <\/p>\r\n\r\n        <h3>Exemples pratiques de carbone non biog\u00e9nique<\/h3>\r\n        <ul class=\"page-list\">\r\n          <li><strong>Combustibles fossiles<\/strong> \u2014 charbon, p\u00e9trole brut, diesel, essence, gaz naturel, LPG et coke de p\u00e9trole.<\/li>\r\n          <li><strong>Plastiques et polym\u00e8res conventionnels<\/strong> \u2014 PE, PP, PET, PVC, polystyr\u00e8ne et caoutchouc synth\u00e9tique.<\/li>\r\n          <li><strong>P\u00e9trochimie<\/strong> \u2014 \u00e9thyl\u00e8ne, propyl\u00e8ne, m\u00e9thanol, solvants et interm\u00e9diaires chimiques qui en d\u00e9rivent.<\/li>\r\n          <li><strong>CO\u2082 de proc\u00e9d\u00e9 issu du ciment<\/strong> \u2014 lib\u00e9r\u00e9 lors de la calcination du calcaire pour produire du clinker, par r\u00e9action chimique et non par combustion.<\/li>\r\n          <li><strong>CO\u2082 de proc\u00e9d\u00e9 issu de la production de chaux, de verre et de carbonate de sodium<\/strong>, provenant de la m\u00eame d\u00e9composition des carbonates.<\/li>\r\n          <li><strong>Coke m\u00e9tallurgique et anodes en carbone<\/strong> \u2014 utilis\u00e9s dans la production d'acier et d'aluminium comme agents r\u00e9ducteurs plut\u00f4t que comme combustibles.<\/li>\r\n          <li><strong>Bitume, asphalte, lubrifiants et cires.<\/strong><\/li>\r\n          <li><strong>Engrais synth\u00e9tiques et gaz industriels<\/strong> fabriqu\u00e9s \u00e0 partir de gaz naturel comme mati\u00e8re premi\u00e8re.<\/li>\r\n          <li><strong>Noir de carbone, graphite et fibres synth\u00e9tiques<\/strong> telles que le polyester, le nylon et l'acrylique.<\/li>\r\n          <li><strong>CO\u2082 volcanique et g\u00e9ologique<\/strong> \u2014 un flux naturel non biog\u00e9nique, mais non anthropique.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"block-section\">\r\n        <h2>Comparaison des deux<\/h2>\r\n\r\n        <span class=\"table-caption\">Carbone biog\u00e9nique et non biog\u00e9nique<\/span>\r\n        <div class=\"table-wrap\">\r\n          <table>\r\n            <thead>\r\n              <tr>\r\n                <th style=\"width:22%;\">Aspect<\/th>\r\n                <th style=\"width:39%;\">Biog\u00e9nique<\/th>\r\n                <th style=\"width:39%;\">Non biog\u00e9nique (fossile)<\/th>\r\n              <\/tr>\r\n            <\/thead>\r\n            <tbody>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Aspect\">Origine<\/td>\r\n                <td data-label=\"Biogenic\">R\u00e9cemment capt\u00e9 du CO\u2082 atmosph\u00e9rique par photosynth\u00e8se<\/td>\r\n                <td data-label=\"Non-biogenic\">R\u00e9servoirs g\u00e9ologiques form\u00e9s sur des millions d'ann\u00e9es<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Aspect\">Cycle<\/td>\r\n                <td data-label=\"Biogenic\">Cycle court du carbone \u2014 de quelques saisons \u00e0 plusieurs si\u00e8cles<\/td>\r\n                <td data-label=\"Non-biogenic\">Cycle long du carbone \u2014 plusieurs millions d'ann\u00e9es<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Aspect\">Effet de la lib\u00e9ration<\/td>\r\n                <td data-label=\"Biogenic\">Restitue le carbone r\u00e9cemment absorb\u00e9 par la biosph\u00e8re\u00a0; \u00e9quilibr\u00e9 uniquement si la source repousse<\/td>\r\n                <td data-label=\"Non-biogenic\">Ajoute au cycle actif du carbone auparavant isol\u00e9 de celui-ci<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Aspect\">Effet radiatif de la mol\u00e9cule<\/td>\r\n                <td data-label=\"Biogenic\">Identique \u2014 CO\u2082 est CO\u2082<\/td>\r\n                <td data-label=\"Non-biogenic\">Identique \u2014 CO\u2082 est CO\u2082<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Aspect\">Traitement standard<\/td>\r\n                <td data-label=\"Biogenic\">D\u00e9clar\u00e9 s\u00e9par\u00e9ment\u00a0; souvent caract\u00e9ris\u00e9 \u00e0 z\u00e9ro net selon la convention \u00b11<\/td>\r\n                <td data-label=\"Non-biogenic\">Enti\u00e8rement comptabilis\u00e9 dans l'empreinte carbone au GWP applicable<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Aspect\">Risque principal dans la comptabilisation<\/td>\r\n                <td data-label=\"Biogenic\">Supposer la neutralit\u00e9 carbone sans v\u00e9rifier la repousse ou le changement d'affectation des sols<\/td>\r\n                <td data-label=\"Non-biogenic\">Omettre les \u00e9missions de proc\u00e9d\u00e9 qui ne proviennent pas de la combustion<\/td>\r\n              <\/tr>\r\n            <\/tbody>\r\n          <\/table>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"block-section\">\r\n        <h2>Comment LCA traite cette distinction<\/h2>\r\n        <p>\r\n          C'est l\u00e0 que la diff\u00e9rence cesse d'\u00eatre th\u00e9orique. Toute empreinte carbone du produit, EPD et tout inventaire d'entreprise doivent d\u00e9finir le traitement du carbone biog\u00e9nique, et ce choix modifie sensiblement le r\u00e9sultat.\r\n        <\/p>\r\n\r\n        <h3>La convention \u00b11<\/h3>\r\n        <p>\r\n          L\u2019approche standard comptabilise la captation et la lib\u00e9ration de carbone biog\u00e9nique comme une paire correspondante. Le carbone absorb\u00e9 par la biomasse est int\u00e9gr\u00e9 \u00e0 l\u2019inventaire comme un flux n\u00e9gatif\u00a0; le carbone lib\u00e9r\u00e9 en fin de vie comme un flux positif.\r\n        <\/p>\r\n        <div class=\"eq-panel\">\r\n          <span class=\"eq\">CO\u2082<sub>captation biog\u00e9nique<\/sub> = \u22121 \u00a0\u00a0\u00a0 CO\u2082<sub>lib\u00e9ration biog\u00e9nique<\/sub> = +1 \u00a0\u00a0\u00a0 Bilan = 0<\/span>\r\n          <p class=\"eq-note\">\r\n            Sur l\u2019ensemble du p\u00e9rim\u00e8tre du berceau \u00e0 la tombe, avec une repousse durable, les deux s\u2019annulent. C\u2019est l\u2019hypoth\u00e8se de \u201c\u00a0biomasse neutre en carbone\u00a0\u201d \u2014 qui ne vaut que si le p\u00e9rim\u00e8tre est complet et que la biomasse repousse r\u00e9ellement.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <h3>La d\u00e9claration s\u00e9par\u00e9e est obligatoire<\/h3>\r\n        <p>\r\n          Dans le cadre de <strong>ISO 14067<\/strong>, les contributions biog\u00e9niques et fossiles doivent \u00eatre d\u00e9clar\u00e9es s\u00e9par\u00e9ment, et non regroup\u00e9es en un chiffre unique. <strong>EN 15804+A2<\/strong>, qui r\u00e9git les DEP de construction, impose la m\u00eame exigence, avec une d\u00e9claration de la teneur en carbone biog\u00e9nique et une affectation de la captation et de la lib\u00e9ration \u00e0 des modules d\u00e9finis. Une empreinte carbone pr\u00e9sentant un chiffre global sans d\u00e9tailler cette r\u00e9partition n\u2019est conforme \u00e0 aucune des deux.\r\n        <\/p>\r\n\r\n        <h3>Quand l\u2019hypoth\u00e8se de neutralit\u00e9 ne tient plus<\/h3>\r\n        <ol class=\"num-list\">\r\n          <li><span class=\"num-badge\">1<\/span><strong>P\u00e9rim\u00e8tres du berceau \u00e0 la porte de l\u2019usine.<\/strong> Si l\u2019\u00e9tude s\u2019arr\u00eate \u00e0 la sortie de l\u2019usine, la captation biog\u00e9nique est comptabilis\u00e9e, mais pas la lib\u00e9ration ult\u00e9rieure \u2014 ce qui produit une empreinte artificiellement n\u00e9gative. C\u2019est la mani\u00e8re la plus courante de d\u00e9tourner la comptabilisation du carbone biog\u00e9nique.<\/li>\r\n          <li><span class=\"num-badge\">2<\/span><strong>Absence de repousse.<\/strong> Si une for\u00eat est d\u00e9frich\u00e9e sans \u00eatre replant\u00e9e, ou si les pr\u00e9l\u00e8vements d\u00e9passent la croissance, la captation n\u2019a jamais lieu et la neutralit\u00e9 est fictive.<\/li>\r\n          <li><span class=\"num-badge\">3<\/span><strong>Temporalit\u00e9.<\/strong> Un arbre lib\u00e8re son carbone en une heure de combustion et met des d\u00e9cennies \u00e0 le r\u00e9absorber. L\u2019atmosph\u00e8re supporte l\u2019exc\u00e9dent de CO\u2082 pendant toute cette p\u00e9riode, g\u00e9n\u00e9rant un r\u00e9chauffement r\u00e9el qu\u2019une caract\u00e9risation \u00e0 z\u00e9ro net comptabilise comme nul.<\/li>\r\n          <li><span class=\"num-badge\">4<\/span><strong>M\u00e9thane biog\u00e9nique.<\/strong> Lorsque le carbone biog\u00e9nique se d\u00e9compose en conditions ana\u00e9robies \u2014 en d\u00e9charge, dans un digesteur ou lors de la digestion des ruminants \u2014 il est lib\u00e9r\u00e9 sous forme de CH\u2084, et non de CO\u2082. Le m\u00e9thane a un potentiel de r\u00e9chauffement global bien plus \u00e9lev\u00e9\u00a0; la lib\u00e9ration est donc <em>implique pas<\/em> neutre m\u00eame si le carbone est biog\u00e9nique. Le CH\u2084 biog\u00e9nique doit toujours \u00eatre comptabilis\u00e9.<\/li>\r\n          <li><span class=\"num-badge\">5<\/span><strong>Changement d\u2019affectation des sols.<\/strong> La conversion de for\u00eats ou de prairies en terres cultiv\u00e9es lib\u00e8re le carbone des sols et de la v\u00e9g\u00e9tation, qui ne rel\u00e8ve pas du bilan carbone propre au produit et le d\u00e9passe souvent largement.<\/li>\r\n        <\/ol>\r\n\r\n        <div class=\"amber-panel\">\r\n          <span class=\"amber-label\">L\u2019affirmation qui ne r\u00e9siste pas \u00e0 l\u2019examen<\/span>\r\n          <p>\r\n            \u201c\u00a0Notre produit est \u00e0 bilan carbone n\u00e9gatif parce qu\u2019il est biosourc\u00e9.\u00a0\u201d Cette affirmation n\u2019est d\u00e9fendable qu\u2019avec un p\u00e9rim\u00e8tre du berceau \u00e0 la tombe, des preuves d\u2019un approvisionnement durable et de la repousse, la prise en compte du changement d\u2019affectation des sols et l\u2019indication de la dur\u00e9e de stockage. Sans ces quatre \u00e9l\u00e9ments, il ne s\u2019agit que d\u2019un artefact du berceau \u00e0 la porte de l\u2019usine.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <h3>Temporalit\u00e9 et GWP-bio<\/h3>\r\n        <p>\r\n          Because the delay between release and reabsorption produces real radiative forcing, dynamic LCA methods and GWP-bio characterisation factors have been developed to account for it. These assign a non-zero value to biogenic CO&#8322; based on the rotation period of the biomass &mdash; short for annual crops, substantial for slow-growing forest. They are not yet default practice, but they are increasingly expected where the rotation period is long and the claim is significant.\r\n        <\/p>\r\n\r\n        <h3>Stockage du carbone dans les produits<\/h3>\r\n        <p>\r\n          Lorsque le carbone biog\u00e9nique est contenu dans un produit durable \u2014 par exemple, le bois dans un b\u00e2timent \u2014 le stockage est r\u00e9el mais temporaire, et les normes imposent d\u2019en d\u00e9clarer la dur\u00e9e plut\u00f4t que de le consid\u00e9rer comme une \u00e9limination permanente. EN 15804 traite ce point par une d\u00e9claration au niveau des modules\u00a0; ISO 14067 impose d\u2019indiquer la dur\u00e9e de stockage et le devenir en fin de vie.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"block-section\">\r\n        <h2>Exemples pratiques\u00a0: comment la r\u00e9partition appara\u00eet en pratique<\/h2>\r\n\r\n        <span class=\"table-caption\">Carbone biog\u00e9nique et fossile dans des syst\u00e8mes de produits r\u00e9els<\/span>\r\n        <div class=\"table-wrap\">\r\n          <table>\r\n            <thead>\r\n              <tr>\r\n                <th style=\"width:24%;\">Syst\u00e8me de produits<\/th>\r\n                <th style=\"width:38%;\">Carbone biog\u00e9nique<\/th>\r\n                <th style=\"width:38%;\">Carbone non biog\u00e9nique<\/th>\r\n              <\/tr>\r\n            <\/thead>\r\n            <tbody>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">B\u00e2timent \u00e0 ossature bois<\/td>\r\n                <td data-label=\"Biogenic\">Carbone stock\u00e9 dans le bois de structure pendant la dur\u00e9e de vie du b\u00e2timent\u00a0; lib\u00e9r\u00e9 lors de la d\u00e9molition<\/td>\r\n                <td data-label=\"Non-biogenic\">Diesel utilis\u00e9 pour la sylviculture et le transport, \u00e9nergie de s\u00e9chage au four, adh\u00e9sifs, fixations, fondations en b\u00e9ton<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Emballage en papier<\/td>\r\n                <td data-label=\"Biogenic\">Carbone des fibres\u00a0; lib\u00e9r\u00e9 lors de l\u2019incin\u00e9ration ou de la d\u00e9composition en d\u00e9charge<\/td>\r\n                <td data-label=\"Non-biogenic\">\u00c9nergie de fabrication de la p\u00e2te et de s\u00e9chage lorsqu\u2019elle provient de combustibles fossiles, produits chimiques, rev\u00eatements, transport<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Bioplastique PLA<\/td>\r\n                <td data-label=\"Biogenic\">Carbone contenu dans le polym\u00e8re issu de l\u2019amidon de ma\u00efs\u00a0; lib\u00e9r\u00e9 lors du compostage ou de l\u2019incin\u00e9ration<\/td>\r\n                <td data-label=\"Non-biogenic\">Engrais, machines agricoles, \u00e9nergie de fermentation et de polym\u00e9risation, changement d\u2019affectation des sols le cas \u00e9ch\u00e9ant<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Carburant bio\u00e9thanol<\/td>\r\n                <td data-label=\"Biogenic\">CO\u2082 issu de la combustion de l\u2019\u00e9thanol lui-m\u00eame<\/td>\r\n                <td data-label=\"Non-biogenic\">Culture, engrais (qui g\u00e9n\u00e8rent \u00e9galement du N\u2082O), chaleur de distillation, transport<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Ciment et b\u00e9ton<\/td>\r\n                <td data-label=\"Biogenic\">Uniquement lorsque des combustibles issus de la biomasse sont co-incin\u00e9r\u00e9s dans le four<\/td>\r\n                <td data-label=\"Non-biogenic\">CO\u2082 de proc\u00e9d\u00e9 CO issu du calcaire, auquel s\u2019ajoute le combustible fossile du four \u2014 la part li\u00e9e au proc\u00e9d\u00e9 est majoritaire<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Acier produit en haut fourneau<\/td>\r\n                <td data-label=\"Biogenic\">N\u00e9gligeable, sauf si le charbon de bois remplace le coke<\/td>\r\n                <td data-label=\"Non-biogenic\">Charbon \u00e0 coke comme r\u00e9ducteur, combustible pour l\u2019usine d\u2019agglom\u00e9ration, \u00e9lectricit\u00e9<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Incin\u00e9ration des d\u00e9chets municipaux<\/td>\r\n                <td data-label=\"Biogenic\">Fractions alimentaires, papier, d\u00e9chets verts et textiles \u2014 d\u00e9clar\u00e9es s\u00e9par\u00e9ment<\/td>\r\n                <td data-label=\"Non-biogenic\">Plastiques et textiles synth\u00e9tiques \u2014 cette fraction d\u00e9termine les \u00e9missions d\u00e9clarables de l\u2019installation<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Mise en d\u00e9charge<\/td>\r\n                <td data-label=\"Biogenic\">Fraction organique, largement rejet\u00e9e sous forme de m\u00e9thane biog\u00e9nique <strong>m\u00e9thane<\/strong> \u2014 comptabilis\u00e9, non neutre<\/td>\r\n                <td data-label=\"Non-biogenic\">\u00c9nergie du site et \u00e9quipements ; les plastiques sont en grande partie inertes<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Production laiti\u00e8re ou bovine<\/td>\r\n                <td data-label=\"Biogenic\">Carbone des aliments pour animaux ; la fermentation ent\u00e9rique lib\u00e8re du m\u00e9thane biog\u00e9nique <strong>m\u00e9thane<\/strong> \u2014 comptabilis\u00e9 int\u00e9gralement<\/td>\r\n                <td data-label=\"Non-biogenic\">Engrais, carburant agricole, r\u00e9frig\u00e9ration, transformation et transport<\/td>\r\n              <\/tr>\r\n              <tr>\r\n                <td class=\"col-key\" data-label=\"Product system\">Textile en coton ou en polyester<\/td>\r\n                <td data-label=\"Biogenic\">Carbone de la fibre de coton<\/td>\r\n                <td data-label=\"Non-biogenic\">Le polyester est enti\u00e8rement issu de ressources fossiles ; le coton implique l\u2019irrigation, les engrais et l\u2019\u00e9nergie de transformation<\/td>\r\n              <\/tr>\r\n            <\/tbody>\r\n          <\/table>\r\n        <\/div>\r\n\r\n        <div class=\"soft-panel\">\r\n          <span class=\"panel-label\">Un sch\u00e9ma \u00e0 retenir<\/span>\r\n          <p>\r\n            Dans la plupart des syst\u00e8mes de produits biosourc\u00e9s, ce sont les \u00e9missions de carbone fossile li\u00e9es \u00e0 la culture, \u00e0 la transformation et au transport qui d\u00e9terminent r\u00e9ellement l\u2019empreinte \u2014 et non le carbone biog\u00e9nique contenu dans le mat\u00e9riau. Un produit biosourc\u00e9 fabriqu\u00e9 avec une transformation aliment\u00e9e par des \u00e9nergies fossiles peut avoir une empreinte plus \u00e9lev\u00e9e que le produit conventionnel qu\u2019il remplace.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"block-section\">\r\n        <h2>Traitement par les r\u00e9f\u00e9rentiels<\/h2>\r\n        <ul class=\"page-list\">\r\n          <li><strong>ISO 14067<\/strong> \u2014 exige que les contributions biog\u00e9niques et fossiles soient quantifi\u00e9es et d\u00e9clar\u00e9es s\u00e9par\u00e9ment, avec la d\u00e9claration du stockage du carbone et de sa dur\u00e9e.<\/li>\r\n          <li><strong>ISO 14040 et ISO 14044<\/strong> \u2014 cadre r\u00e9gissant le p\u00e9rim\u00e8tre, l\u2019unit\u00e9 fonctionnelle, l\u2019allocation et la revue critique requise pour les d\u00e9clarations comparatives.<\/li>\r\n          <li><strong>EN 15804+A2<\/strong> \u2014 impose la d\u00e9claration de la teneur en carbone biog\u00e9nique des produits de construction et r\u00e9partit l\u2019absorption et le rejet entre des modules d\u00e9finis du cycle de vie.<\/li>\r\n          <li><strong>Protocole GHG<\/strong> \u2014 le CO\u2082 biog\u00e9nique CO issu de la combustion est d\u00e9clar\u00e9 s\u00e9par\u00e9ment des scopes, tandis que le CH\u2084 biog\u00e9nique CH et le N\u2082O y sont d\u00e9clar\u00e9s.<\/li>\r\n          <li><strong>Lignes directrices IPCC<\/strong> \u2014 les inventaires nationaux comptabilisent le carbone de la biomasse dans le secteur de l\u2019utilisation des terres plut\u00f4t que dans celui de l\u2019\u00e9nergie, afin d\u2019\u00e9viter le double comptage.<\/li>\r\n          <li><strong>PAS 2050 et le Product Standard du GHG Protocol<\/strong> \u2014 orientations parall\u00e8les au niveau des produits, avec leurs propres r\u00e8gles de traitement du carbone biog\u00e9nique.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"block-section\">\r\n        <h2>R\u00e9capitulatif<\/h2>\r\n        <p>\r\n          Le carbone biog\u00e9nique et le carbone non biog\u00e9nique sont chimiquement identiques, mais diff\u00e9rents sur le plan climatique en raison de leur origine et de la rapidit\u00e9 avec laquelle ils retournent dans le cycle. Le carbone fossile suit un parcours \u00e0 sens unique, d\u2019un r\u00e9servoir isol\u00e9 depuis des millions d\u2019ann\u00e9es vers le cycle actif. Le carbone biog\u00e9nique circule et peut \u00eatre r\u00e9ellement quasi neutre lorsque la biomasse repousse \u2014 mais uniquement l\u00e0 o\u00f9 elle repousse, sur l\u2019ensemble du p\u00e9rim\u00e8tre, lorsque le changement d\u2019affectation des terres est pris en compte, et jamais lorsque le rejet prend la forme de m\u00e9thane.\r\n        <\/p>\r\n        <p>\r\n          Pour toute personne r\u00e9alisant un bilan carbone, les r\u00e8gles pratiques sont simples : d\u00e9clarer s\u00e9par\u00e9ment les deux types de carbone, \u00e9tendre le p\u00e9rim\u00e8tre jusqu\u2019\u00e0 la fin de vie, comptabiliser int\u00e9gralement le m\u00e9thane biog\u00e9nique, justifier l\u2019approvisionnement et indiquer la dur\u00e9e de stockage plut\u00f4t que de sous-entendre sa permanence. Ces informations distinguent une all\u00e9gation biosourc\u00e9e \u00e9tay\u00e9e d\u2019une all\u00e9gation qui ne r\u00e9sistera pas \u00e0 l\u2019examen.\r\n        <\/p>\r\n      <\/div>\r\n\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-7c99a1fb e-flex e-con-boxed e-con e-parent\" data-id=\"7c99a1fb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-74c01086 elementor-widget elementor-widget-html\" data-id=\"74c01086\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"deiso-lcahub-outer\">\r\n<style>\r\n.deiso-lcahub-outer{max-width:1200px;margin:30px auto 12px;padding:0 24px;font-family:'Jost',sans-serif;box-sizing:border-box;}\r\n.deiso-lcahub-outer,.deiso-lcahub-outer 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valeur. Rigueur scientifique, processus structur\u00e9s et livrables robustes, pr\u00eats pour v\u00e9rification.<\/p>\r\n<a class=\"deiso-lcahub-btn deiso-lcahub-btn-primary\" href=\"https:\/\/dei.so\/fr\/deiso-enterprise-life-cycle-assessment-lca-services\/\"><span>D\u00e9couvrir le service \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 2 \u2014 LCA Critical Review -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><path d=\"M12 3l7 4v5c0 5-3.5 7.5-7 9-3.5-1.5-7-4-7-9V7l7-4z\"><\/path><path d=\"M9 12l2 2 4-4\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Revue critique LCA \u2014 ISO 14040 \/ 14044<\/h5>\r\n<\/div>\r\n<p>\u00c9valuation technique ind\u00e9pendante d\u2019\u00e9tudes LCA finalis\u00e9es. Coh\u00e9rence m\u00e9thodologique, transparence des hypoth\u00e8ses et conformit\u00e9 aux normes ISO 14040 et ISO 14044.<\/p>\r\n<a class=\"deiso-lcahub-btn deiso-lcahub-btn-primary\" href=\"https:\/\/dei.so\/fr\/lca-critical-review\/\"><span>D\u00e9couvrir le service \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 3 \u2014 LCI Database -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><ellipse cx=\"12\" cy=\"5\" rx=\"7\" ry=\"3\"><\/ellipse><path d=\"M5 5v7c0 1.7 3.1 3 7 3s7-1.3 7-3V5\"><\/path><path d=\"M5 12v7c0 1.7 3.1 3 7 3s7-1.3 7-3v-7\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Base de donn\u00e9es DEISO agricoles et industrielles LCI<\/h5>\r\n<\/div>\r\n<p>Donn\u00e9es d\u2019inventaire du cycle de vie s\u00e9lectionn\u00e9es et facteurs d\u2019\u00e9mission favorisant l\u2019efficacit\u00e9 de mod\u00e9lisation, la couverture des donn\u00e9es et la coh\u00e9rence analytique pour les applications agricoles et industrielles.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/deiso-agri-industrial-lci-database\/\"><span>D\u00e9couvrir la base de donn\u00e9es \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 4 \u2014 LCA Capacity Building -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><path d=\"M4 19.5A2.5 2.5 0 0 1 6.5 17H20\"><\/path><path d=\"M6.5 3H20v18H6.5A2.5 2.5 0 0 1 4 18.5v-13A2.5 2.5 0 0 1 6.5 3z\"><\/path><path d=\"M9 8h7\"><\/path><path d=\"M9 12h5\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Renforcement des comp\u00e9tences LCA \u2014 programme align\u00e9 sur ISO<\/h5>\r\n<\/div>\r\n<p>Mont\u00e9e en comp\u00e9tences ax\u00e9e sur la mise en \u0153uvre, pour les personnes et \u00e9quipes souhaitant d\u00e9velopper une ma\u00eetrise op\u00e9rationnelle et conforme aux normes de la m\u00e9thodologie LCA, de la conception d\u2019\u00e9tudes, de l\u2019interpr\u00e9tation et du reporting.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/deiso-life-cycle-assessment-lca-professional-training-programs\/\"><span>D\u00e9couvrir le programme \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 5 \u2014 Senior LCA Strategic Advisory -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><path d=\"M6 6a6 6 0 0 0 12 0\"><\/path><path d=\"M20 6h-5a3 3 0 0 0-6 0H4\"><\/path><path d=\"M12 12v8\"><\/path><path d=\"M8 16l4 4 4-4\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Conseil strat\u00e9gique LCA de haut niveau<\/h5>\r\n<\/div>\r\n<p>De haut niveau <a href=\"https:\/\/dei.so\/fr\/pre-submission-readiness-advisory\/\">accompagnement conseil<\/a> pour les d\u00e9cisions de cadrage LCA, l\u2019architecture m\u00e9thodologique, la planification des \u00e9tudes et le renforcement technique des travaux align\u00e9s sur ISO LCA et li\u00e9s \u00e0 EPD.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/lca-strategic-advisory\/\"><span>D\u00e9couvrir le conseil \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 6 \u2014 GaBi Capacity Building -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><rect x=\"3\" y=\"4\" width=\"18\" height=\"14\" rx=\"2\"><\/rect><path d=\"M7 20h10\"><\/path><path d=\"M12 18v2\"><\/path><path d=\"M8 9h8\"><\/path><path d=\"M8 13h5\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Renforcement des comp\u00e9tences sur GaBi (LCA pour experts)<\/h5>\r\n<\/div>\r\n<p>Formation structur\u00e9e \u00e0 GaBi destin\u00e9e aux professionnels qui ont besoin d\u2019une ma\u00eetrise approfondie de la logique de mod\u00e9lisation avanc\u00e9e, de l\u2019utilisation des bases de donn\u00e9es, de la structuration des sc\u00e9narios et de la r\u00e9alisation d\u2019\u00e9tudes de haute qualit\u00e9.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/gabi-lca-training-programs\/\"><span>D\u00e9couvrir le programme \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 7 \u2014 openLCA Capacity Building -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"9\"><\/circle><path d=\"M3 12h18\"><\/path><path d=\"M12 3a15 15 0 0 1 0 18\"><\/path><path d=\"M12 3a15 15 0 0 0 0 18\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Renforcement des comp\u00e9tences openLCA pour les professionnels<\/h5>\r\n<\/div>\r\n<p>Renforcement pratique des comp\u00e9tences openLCA pour les professionnels recherchant de solides comp\u00e9tences en mod\u00e9lisation, une ma\u00eetrise des processus et des capacit\u00e9s op\u00e9rationnelles sur l\u2019une des plateformes LCA open source les plus utilis\u00e9es.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/openlca-training-programs\/\"><span>D\u00e9couvrir le programme \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 8 \u2014 SimaPro Capacity Building -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><path d=\"M7 17l-4-4 4-4\"><\/path><path d=\"M17 7l4 4-4 4\"><\/path><path d=\"M14 4l-4 16\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Programmes de renforcement des comp\u00e9tences SimaPro<\/h5>\r\n<\/div>\r\n<p>Renforcement des comp\u00e9tences SimaPro pour les entreprises et les professionnels \u2014 mise en \u0153uvre pratique, qualit\u00e9 m\u00e9thodologique et meilleures d\u00e9cisions gr\u00e2ce \u00e0 une mod\u00e9lisation LCA avanc\u00e9e.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/simapro-lca-training-programs\/\"><span>D\u00e9couvrir le programme \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 9 \u2014 SimaPro Advanced Coaching -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><path d=\"M14 10a4 4 0 1 1-8 0 4 4 0 0 1 8 0z\"><\/path><path d=\"M14 10h7\"><\/path><path d=\"M17 7l4 3-4 3\"><\/path><path d=\"M3 20c1.5-3 4.5-4.5 7-4.5s5.5 1.5 7 4.5\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Accompagnement avanc\u00e9 sur SimaPro<\/h5>\r\n<\/div>\r\n<p>Accompagnement des utilisateurs exp\u00e9riment\u00e9s de SimaPro ayant besoin d\u2019un appui cibl\u00e9 pour l\u2019am\u00e9lioration avanc\u00e9e des mod\u00e8les, la r\u00e9solution de probl\u00e8mes, l\u2019interpr\u00e9tation ou la r\u00e9solution de probl\u00e9matiques techniques propres \u00e0 un projet.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/simapro-advanced-coaching\/\"><span>D\u00e9couvrir le coaching \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 10 \u2014 GaBi Coaching -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"4\"><\/circle><path d=\"M12 2v3\"><\/path><path d=\"M12 19v3\"><\/path><path d=\"M4.93 4.93l2.12 2.12\"><\/path><path d=\"M16.95 16.95l2.12 2.12\"><\/path><path d=\"M2 12h3\"><\/path><path d=\"M19 12h3\"><\/path><path d=\"M4.93 19.07l2.12-2.12\"><\/path><path d=\"M16.95 7.05l2.12-2.12\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Accompagnement GaBi pour les professionnels<\/h5>\r\n<\/div>\r\n<p>Accompagnement des utilisateurs de GaBi ayant besoin d\u2019orientations techniques cibl\u00e9es, d\u2019un appui \u00e0 l\u2019optimisation des mod\u00e8les, d\u2019une acc\u00e9l\u00e9ration des processus ou d\u2019une application plus approfondie des pratiques de projets LCA avanc\u00e9es.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/gabi-professional-coaching\/\"><span>D\u00e9couvrir le coaching \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 11 \u2014 openLCA Coaching -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><path d=\"M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z\"><\/path><path d=\"M8 9h8\"><\/path><path d=\"M8 13h5\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Accompagnement professionnel openLCA<\/h5>\r\n<\/div>\r\n<p>Accompagnement individuel ou en \u00e9quipe destin\u00e9 aux utilisateurs exp\u00e9riment\u00e9s d\u2019openLCA ayant besoin d\u2019orientations techniques approfondies, d\u2019une r\u00e9solution efficace des probl\u00e8mes et d\u2019un appui expert orient\u00e9 projet.<\/p>\r\n<a class=\"deiso-lcahub-btn\" href=\"https:\/\/dei.so\/fr\/openlca-professional-coaching\/\"><span>D\u00e9couvrir le coaching \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<!-- 12 \u2014 Request for Quotation -->\r\n<article class=\"deiso-lcahub-card\">\r\n<div class=\"deiso-lcahub-card-top\">\r\n<div class=\"deiso-lcahub-icon\" aria-hidden=\"true\">\r\n<svg viewbox=\"0 0 24 24\"><path d=\"M4 5h16v10H8l-4 4V5z\"><\/path><path d=\"M8 10h8\"><\/path><path d=\"M8 6.5h8\"><\/path><path d=\"M8 13.5h5\"><\/path><\/svg>\r\n<\/div>\r\n<h5>Demander un devis<\/h5>\r\n<\/div>\r\n<p>Envoyez \u00e0 DEISO un bref descriptif de votre besoin en LCA, revue critique, conseil, base de donn\u00e9es, renforcement des comp\u00e9tences ou accompagnement, et recevez un devis sur mesure adapt\u00e9 \u00e0 votre p\u00e9rim\u00e8tre et \u00e0 vos objectifs.<\/p>\r\n<a class=\"deiso-lcahub-btn deiso-lcahub-btn-primary\" href=\"https:\/\/dei.so\/fr\/contact-form\/\"><span>Demander un devis \u2192<\/span><\/a>\r\n<\/article>\r\n\r\n<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Blog posts Overview Carbon is the building block of all organic compounds and moves continuously between living organisms, the atmosphere, the oceans, and the geological record. In carbon accounting and life cycle assessment, that carbon is separated into two categories \u2014 biogenic, originating in living biomass, and non-biogenic or fossil, originating in geological reservoirs. The [&hellip;]<\/p>\n","protected":false},"author":132,"featured_media":232221,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_deiso_takeaway":"","_deiso_part":0,"_deiso_aiv_faq":[{"q":"What is the difference between biogenic and non-biogenic carbon?","a":"Biogenic carbon comes from atmospheric CO\u2082 recently fixed by living organisms and held in biomass, while non-biogenic carbon comes from geological reservoirs formed over millions of years. Their CO\u2082 molecules and radiative effects are identical, but they differ in origin and carbon-cycle timescale."},{"q":"How is biogenic carbon treated in a carbon footprint or LCA?","a":"Biogenic carbon uptake is recorded as a negative flow and its release as a positive flow under the \u00b11 convention. These flows can net to zero over a complete cradle-to-grave boundary only when the biomass genuinely regrows; biogenic and fossil contributions must also be reported separately."},{"q":"What are examples of biogenic carbon?","a":"Examples include timber, paper, natural fibres, bio-based plastics, biofuels, biomass energy, food and agricultural products, organic waste, and biochar. These materials contain carbon recently fixed from atmospheric CO\u2082 by living organisms."},{"q":"What are examples of non-biogenic carbon?","a":"Examples include coal, crude oil, natural gas, conventional plastics, petrochemicals, process CO\u2082 from cement and lime, metallurgical coke, bitumen, synthetic fertilisers, carbon black, graphite, and synthetic fibres. This carbon comes from geological reservoirs or carbonate minerals and is part of the long carbon cycle."},{"q":"When is biogenic carbon not considered neutral?","a":"Biogenic carbon is not neutral when the biomass does not regrow, the study boundary excludes eventual release, timing creates a long delay before reabsorption, or land use change releases additional carbon. Biogenic methane from decomposition or digestion must also be counted because methane has a higher global warming potential than CO\u2082."}],"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[429],"tags":[745,747,700,37,483,746],"deiso_standard":[],"deiso_series":[],"deiso_issue":[],"deiso-finder":[],"content-type":[],"content-filter":[],"site-search-options":[974],"class_list":["post-229425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-posts","tag-biogenic-carbon","tag-carbon-dioxide","tag-carbon-footprint","tag-co2","tag-co2-emissions","tag-non-biogenic-carbon","site-search-options-blog","grve-entry-item","grve-blog-item"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/dei.so\/wp-content\/uploads\/2023\/10\/Dimethyl_Ether.jpg","_links":{"self":[{"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/posts\/229425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/users\/132"}],"replies":[{"embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/comments?post=229425"}],"version-history":[{"count":0,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/posts\/229425\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/media\/232221"}],"wp:attachment":[{"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/media?parent=229425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/categories?post=229425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/tags?post=229425"},{"taxonomy":"deiso_standard","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/deiso_standard?post=229425"},{"taxonomy":"deiso_series","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/deiso_series?post=229425"},{"taxonomy":"deiso_issue","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/deiso_issue?post=229425"},{"taxonomy":"deiso-finder","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/deiso-finder?post=229425"},{"taxonomy":"content-type","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/content-type?post=229425"},{"taxonomy":"content-filter","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/content-filter?post=229425"},{"taxonomy":"site-search-options","embeddable":true,"href":"https:\/\/dei.so\/fr\/wp-json\/wp\/v2\/site-search-options?post=229425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}