{"id":16747,"date":"2026-06-18T13:30:28","date_gmt":"2026-06-18T10:30:28","guid":{"rendered":"https:\/\/cse-net.org\/?p=16747"},"modified":"2026-06-18T13:33:50","modified_gmt":"2026-06-18T10:33:50","slug":"california-carbon-reporting","status":"publish","type":"post","link":"https:\/\/cse-net.org\/fr\/california-carbon-reporting\/","title":{"rendered":"La Californie vient de rendre obligatoire la d\u00e9claration des \u00e9missions de carbone"},"content":{"rendered":"<p class=\"isSelectedEnd\">En Californie, la d\u00e9claration des \u00e9missions de carbone n\u2019est plus une pr\u00e9occupation pour l\u2019avenir, mais une \u00e9ch\u00e9ance commerciale \u00e0 respecter. Pour les grandes entreprises implant\u00e9es en Californie, les donn\u00e9es relatives aux \u00e9missions de carbone doivent d\u00e9sormais \u00eatre structur\u00e9es, attribu\u00e9es \u00e0 un responsable et \u00e9tay\u00e9es par des justificatifs. Elles ne peuvent plus rester dispers\u00e9es dans des feuilles de calcul ou dans la bo\u00eete de r\u00e9ception d\u2019un seul service.<\/p>\n<p class=\"isSelectedEnd\">Cette \u00e9volution est importante car la d\u00e9claration des \u00e9missions concerne les services financiers, op\u00e9rationnels, des achats, juridiques, de gestion des risques et la direction. Elle a \u00e9galement des r\u00e9percussions sur les fournisseurs qui, m\u00eame s\u2019ils ne sont pas directement soumis \u00e0 la loi, soutiennent n\u00e9anmoins les entreprises qui le sont.<\/p>\n<h2><\/h2>\n<h2><\/h2>\n<h2>Pourquoi les rapports sur les \u00e9missions de carbone en Californie sont-ils importants ?<\/h2>\n<p class=\"isSelectedEnd\">La loi californienne SB 253, intitul\u00e9e \u00ab Climate Corporate Data Accountability Act \u00bb (loi sur la responsabilit\u00e9 des entreprises en mati\u00e8re de donn\u00e9es climatiques), impose aux grandes entreprises exer\u00e7ant leurs activit\u00e9s en Californie et dont le chiffre d'affaires annuel total d\u00e9passe $1 milliard de dollars de publier leurs \u00e9missions de gaz \u00e0 effet de serre. La <a href=\"https:\/\/ww2.arb.ca.gov\/our-work\/programs\/california-corporate-greenhouse-gas-reporting-and-climate-related-financial-risk\" target=\"_blank\" rel=\"noopener\">Conseil californien des ressources en air<\/a> \u00e9labore actuellement le programme de d\u00e9claration et pr\u00e9cise que les entreprises concern\u00e9es doivent communiquer leurs \u00e9missions de scope 1, scope 2 et scope 3 pour l'exercice fiscal pr\u00e9c\u00e9dent.<\/p>\n<p class=\"isSelectedEnd\">Le CARB a \u00e9galement approuv\u00e9 un premier r\u00e8glement qui fixe <strong>10 ao\u00fbt 2026<\/strong> comme date limite de d\u00e9claration pour la premi\u00e8re ann\u00e9e. Au cours de cette premi\u00e8re ann\u00e9e, les entreprises ne devront d\u00e9clarer que leurs \u00e9missions de scope 1 et de scope 2, conform\u00e9ment aux directives du CARB <a href=\"https:\/\/ww2.arb.ca.gov\/sites\/default\/files\/2026-03\/SB%20253%20March%202026%20Workshop%20Slides%20Final.pdf\" target=\"_blank\" rel=\"noopener\">Diapositives de l'atelier de mars 2026<\/a>.<\/p>\n<p class=\"isSelectedEnd\">Cette date change la donne. En Californie, la d\u00e9claration des \u00e9missions de carbone ne se r\u00e9sume pas \u00e0 une simple publication d'informations. Il s'agit de savoir si une entreprise est en mesure de prouver d'o\u00f9 proviennent ses donn\u00e9es sur les \u00e9missions, qui les a v\u00e9rifi\u00e9es et pourquoi ces chiffres sont fiables.<\/p>\n<h2><\/h2>\n<h2><\/h2>\n<h2>Que signifient les termes \u00ab Scope 1 \u00bb, \u00ab Scope 2 \u00bb et \u00ab Scope 3 \u00bb ?<\/h2>\n<p class=\"isSelectedEnd\">Les entreprises devraient commencer par les bases. Les \u00e9missions de scope 1 proviennent de sources que l'entreprise poss\u00e8de ou contr\u00f4le. Cela peut inclure le carburant utilis\u00e9 dans les v\u00e9hicules de l'entreprise, les chaudi\u00e8res, les fours ou les \u00e9quipements sur site.<\/p>\n<p class=\"isSelectedEnd\">Les \u00e9missions de scope 2 proviennent de l'\u00e9nergie achet\u00e9e. Cela comprend g\u00e9n\u00e9ralement l'\u00e9lectricit\u00e9, la vapeur, la chaleur ou le refroidissement. Le <a href=\"https:\/\/ghgprotocol.org\/corporate-standard\" target=\"_blank\" rel=\"noopener\">Norme d'entreprise du protocole GHG<\/a> reste l'une des principales r\u00e9f\u00e9rences mondiales en mati\u00e8re de comptabilisation des gaz \u00e0 effet de serre des entreprises. Il couvre les sept gaz \u00e0 effet de serre vis\u00e9s par le Protocole de Kyoto et comprend des recommandations pour la mesure des \u00e9missions li\u00e9es \u00e0 l'\u00e9nergie achet\u00e9e.<\/p>\n<p class=\"isSelectedEnd\">Les \u00e9missions de scope 3 proviennent de l'ensemble de la cha\u00eene de valeur. Elles peuvent inclure les biens achet\u00e9s, la logistique, les d\u00e9placements professionnels, l'utilisation des produits, les d\u00e9chets et les activit\u00e9s des fournisseurs. Ces \u00e9missions constituent souvent le principal d\u00e9fi, car les donn\u00e9es ne proviennent pas de l'entreprise elle-m\u00eame.<\/p>\n<h2><\/h2>\n<h2><\/h2>\n<h2>Le v\u00e9ritable risque r\u00e9side dans un contr\u00f4le insuffisant des donn\u00e9es<\/h2>\n<p class=\"isSelectedEnd\">De nombreuses entreprises \u00e9valuent d\u00e9j\u00e0 leurs \u00e9missions. Cependant, le projet de loi SB 253 soul\u00e8ve une question plus \u00e9pineuse : l'entreprise est-elle en mesure de justifier ce chiffre ?<\/p>\n<p class=\"isSelectedEnd\">Voici un exemple typique de probl\u00e8me li\u00e9 \u00e0 l'\u00e9tat de pr\u00e9paration. Une \u00e9quipe charg\u00e9e du d\u00e9veloppement durable demande des donn\u00e9es sur la consommation d'\u00e9nergie au service des installations. Le service financier g\u00e8re certaines factures. Le service des op\u00e9rations suit la consommation de carburant. Le service des achats g\u00e8re les relations avec les fournisseurs. Le service juridique examine les textes destin\u00e9s au public. Aucune \u00e9quipe n'est seule responsable de l'ensemble du processus de gestion des donn\u00e9es carbone.<\/p>\n<p class=\"isSelectedEnd\">Cela cr\u00e9e des incoh\u00e9rences. Un site peut exprimer sa consommation d'\u00e9lectricit\u00e9 en kilowattheures. Un autre peut ne transmettre que des donn\u00e9es sur les co\u00fbts. Un fournisseur peut fournir des estimations bas\u00e9es sur les d\u00e9penses. Une \u00e9quipe charg\u00e9e des installations peut omettre de prendre en compte les fluides frigorig\u00e8nes. Ainsi, lorsque l'entreprise \u00e9tablit son rapport, le chiffre final repose sur des hypoth\u00e8ses que peu de personnes sont en mesure d'expliquer.<\/p>\n<p class=\"isSelectedEnd\">C'est pourquoi la d\u00e9claration des \u00e9missions de carbone en Californie n\u00e9cessite une gouvernance, et pas seulement un simple calcul.<\/p>\n<h3><\/h3>\n<h3>Un plan de pr\u00e9paration sur 90 jours<\/h3>\n<p class=\"isSelectedEnd\">Les entreprises peuvent r\u00e9duire les risques en mettant en place un plan cibl\u00e9 sur 90 jours.<\/p>\n<p>&nbsp;<\/p>\n<p class=\"isSelectedEnd\"><strong>Jours 1 \u00e0 30 : D\u00e9finir le p\u00e9rim\u00e8tre de reporting<\/strong><br \/>\nIdentifiez les entit\u00e9s juridiques, les sites, les unit\u00e9s op\u00e9rationnelles et les activit\u00e9s susceptibles d'entrer dans le champ d'application du rapport. V\u00e9rifiez quelles \u00e9quipes sont en charge des donn\u00e9es relatives \u00e0 l'\u00e9lectricit\u00e9, aux carburants, au parc automobile, aux fluides frigorig\u00e8nes et aux achats.<\/p>\n<p>&nbsp;<\/p>\n<p class=\"isSelectedEnd\"><strong>Jours 31 \u00e0 60 : Contr\u00f4le de la qualit\u00e9 des donn\u00e9es<\/strong><br \/>\nRecueillez des donn\u00e9es d'\u00e9chantillonnage provenant des principaux sites et fonctions. V\u00e9rifiez les unit\u00e9s, les mois manquants, les lacunes dans la facturation, les m\u00e9thodes d'estimation, les facteurs d'\u00e9mission et la qualit\u00e9 de la documentation. N'attendez pas d'avoir un syst\u00e8me parfait. Commencez par identifier les faiblesses.<\/p>\n<p>&nbsp;<\/p>\n<p class=\"isSelectedEnd\"><strong>Jours 61 \u00e0 90 : Mise en place des contr\u00f4les<\/strong><br \/>\nMettez en place un processus simple pour la collecte, la v\u00e9rification, la validation et le stockage des donn\u00e9es. D\u00e9signez des responsables. Conservez les justificatifs. Consignez les hypoth\u00e8ses. Cr\u00e9ez un registre des probl\u00e8mes pour les donn\u00e9es manquantes ou peu fiables.<\/p>\n<p class=\"isSelectedEnd\">Ce programme aide les entreprises \u00e0 passer d'une situation o\u00f9 \u201c nous disposons de chiffres \u201d \u00e0 une situation o\u00f9 \u201c nous comprenons nos chiffres \u201d.\u201d<\/p>\n<h2><\/h2>\n<h2><\/h2>\n<h2>\u00c0 qui doit-on attribuer chaque t\u00e2che ?<\/h2>\n<p class=\"isSelectedEnd\">Le syst\u00e8me de d\u00e9claration des \u00e9missions de carbone en Californie ne fonctionnera que si plusieurs services coop\u00e8rent.<\/p>\n<p class=\"isSelectedEnd\">L'\u00e9quipe charg\u00e9e du d\u00e9veloppement durable doit orienter la m\u00e9thodologie, le processus de reporting et le rapport final. Le service financier doit apporter son aide en mati\u00e8re de contr\u00f4les, de pi\u00e8ces justificatives et de rigueur dans la v\u00e9rification. Le service op\u00e9rationnel doit fournir les donn\u00e9es relatives \u00e0 l\u2019\u00e9nergie, aux carburants, aux \u00e9quipements et aux installations. Le service des achats doit se pr\u00e9parer \u00e0 r\u00e9pondre aux demandes de donn\u00e9es des fournisseurs et \u00e0 s\u2019engager dans le p\u00e9rim\u00e8tre de scope 3. Le service juridique doit examiner la formulation des informations \u00e0 publier et les hypoth\u00e8ses r\u00e9glementaires. Le service informatique doit assurer le stockage des donn\u00e9es, leur acc\u00e8s et la mise en place de pistes d\u2019audit.<\/p>\n<p class=\"isSelectedEnd\">Cette responsabilit\u00e9 partag\u00e9e est importante, car le reporting carbone s'apparente d\u00e9sormais \u00e0 un processus de contr\u00f4le de gestion. Il n\u00e9cessite de la coh\u00e9rence, une documentation ad\u00e9quate et le soutien de la direction.<\/p>\n<h2><\/h2>\n<h2><\/h2>\n<h2>Pourquoi les fournisseurs devraient-ils y pr\u00eater attention ?<\/h2>\n<p class=\"isSelectedEnd\">La loi SB 253 s'applique aux grandes entreprises, mais son impact se r\u00e9percutera sur les fournisseurs. Les grandes entreprises soumises \u00e0 l'obligation de d\u00e9claration auront besoin, \u00e0 terme, de donn\u00e9es plus pr\u00e9cises sur leur cha\u00eene d'approvisionnement. Par cons\u00e9quent, les petites entreprises pourraient se voir poser davantage de questions concernant leur consommation d'\u00e9nergie, leurs \u00e9missions, leurs mesures de r\u00e9duction et les pratiques de leurs fournisseurs.<\/p>\n<p class=\"isSelectedEnd\">CDP\u2019s <a href=\"https:\/\/www.cdp.net\/en\/supply-chain\" target=\"_blank\" rel=\"noopener\">programme de cha\u00eene d'approvisionnement<\/a> vise \u00e0 aider les entreprises \u00e0 comprendre les risques, les impacts et les opportunit\u00e9s tout au long de leurs cha\u00eenes de valeur. Le CDP souligne \u00e9galement que les entreprises peuvent utiliser les donn\u00e9es issues de la divulgation environnementale pour prendre des d\u00e9cisions en mati\u00e8re d'achats et d'engagement aupr\u00e8s des fournisseurs gr\u00e2ce \u00e0 son <a href=\"https:\/\/www.cdp.net\/en\/insights\/sustainable-supply-chains\" target=\"_blank\" rel=\"noopener\">analyses sur la cha\u00eene d'approvisionnement durable<\/a>.<\/p>\n<p class=\"isSelectedEnd\">Cela signifie que les fournisseurs ne doivent pas n\u00e9gliger les obligations de d\u00e9claration des \u00e9missions de carbone en Californie. M\u00eame s'ils n'atteignent pas le seuil d'un milliard de $1, les attentes de leurs clients peuvent tout de m\u00eame leur \u00eatre communiqu\u00e9es par le biais de contrats, de questionnaires et d'\u00e9valuations des achats.<\/p>\n<h2><\/h2>\n<h2><\/h2>\n<h2>L'entra\u00eenement transforme la pression en pr\u00e9paration<\/h2>\n<p class=\"isSelectedEnd\">Les r\u00e8gles fixent des d\u00e9lais. Ce sont les personnes qui font en sorte d'\u00eatre pr\u00eates.<\/p>\n<p class=\"isSelectedEnd\">Le <a href=\"https:\/\/cse-net.org\/fr\/trainings\/usa-certified-sustainability-practitioner-program-advanced-edition-2026-cohort2\/\" target=\"_blank\" rel=\"noopener\"><strong>Programme des praticiens certifi\u00e9s en d\u00e9veloppement durable des \u00c9tats-Unis, \u00e9dition avanc\u00e9e 2026<\/strong><\/a> peut aider les professionnels qui ont besoin de faire le lien entre la strat\u00e9gie de d\u00e9veloppement durable, les \u00e9missions de gaz \u00e0 effet de serre, les exigences en mati\u00e8re de reporting, les impacts sur la cha\u00eene d'approvisionnement et la communication responsable. Le programme se d\u00e9roulera les 16, 17 et 20 juillet 2026, avant la date limite de reporting fix\u00e9e au 10 ao\u00fbt par la loi SB 253.<\/p>\n<p class=\"isSelectedEnd\">Cette formation ne remplace pas un conseil juridique ni un audit de conformit\u00e9 sp\u00e9cifique \u00e0 l'entreprise. Elle peut toutefois aider les professionnels \u00e0 poser des questions plus pertinentes, \u00e0 mettre en place des syst\u00e8mes internes plus solides et \u00e0 comprendre le lien entre le reporting de d\u00e9veloppement durable et la valeur de l'entreprise.<\/p>\n<p class=\"isSelectedEnd\">C'est ce qui compte aujourd'hui. Les entreprises n'ont pas seulement besoin de rapports. Elles ont besoin d'\u00e9quipes qualifi\u00e9es, capables de transformer les donn\u00e9es sur les \u00e9missions de carbone en d\u00e9cisions fiables.<\/p>\n<h2><\/h2>\n<h2>FAQ<\/h2>\n<h3><\/h3>\n<h3>Qui est tenu de faire une d\u00e9claration en vertu de la loi SB 253 ?<\/h3>\n<p class=\"isSelectedEnd\">La loi SB 253 s'applique aux entit\u00e9s commerciales exer\u00e7ant leurs activit\u00e9s en Californie et dont le chiffre d'affaires annuel total est sup\u00e9rieur \u00e0 $1 milliard. Les entreprises concern\u00e9es sont tenues de d\u00e9clarer leurs \u00e9missions de gaz \u00e0 effet de serre de scope 1, scope 2 et scope 3 dans le cadre du programme du CARB.<\/p>\n<h3><\/h3>\n<h3>Quelle est la premi\u00e8re date limite pr\u00e9vue par la loi SB 253 ?<\/h3>\n<p class=\"isSelectedEnd\">La date limite de d\u00e9claration au titre de la loi SB 253 pour la premi\u00e8re ann\u00e9e fix\u00e9e par le CARB est le 10 ao\u00fbt 2026. La premi\u00e8re ann\u00e9e porte sur les \u00e9missions de scope 1 et de scope 2.<\/p>\n<h3><\/h3>\n<h3>En quoi cela est-il important pour les fournisseurs ?<\/h3>\n<p>Les fournisseurs pourraient recevoir davantage de demandes de donn\u00e9es sur les \u00e9missions de carbone de la part de leurs gros clients. M\u00eame les entreprises qui ne rel\u00e8vent pas directement du champ d'application de la loi SB 253 pourraient avoir besoin de donn\u00e9es plus pr\u00e9cises sur les \u00e9missions pour r\u00e9pondre aux exigences en mati\u00e8re d'achats, de contrats et aux attentes de leurs clients.<\/p>\n<p>&nbsp;<\/p>\n<h2><\/h2>\n<h2>Le bilan<\/h2>\n<p class=\"isSelectedEnd\">Les obligations de d\u00e9claration des \u00e9missions de carbone en Californie mettent clairement en \u00e9vidence un point : la gestion du carbone fait d\u00e9sormais partie int\u00e9grante de la planification strat\u00e9gique des entreprises. Les entreprises qui attendent risquent de devoir proc\u00e9der \u00e0 une collecte de donn\u00e9es pr\u00e9cipit\u00e9e, de disposer d\u2019une documentation insuffisante et de faire face \u00e0 une confusion interne. Celles qui s\u2019y pr\u00e9parent suffisamment t\u00f4t peuvent mettre en place des syst\u00e8mes plus solides, am\u00e9liorer le dialogue avec leurs fournisseurs et r\u00e9duire les risques li\u00e9s \u00e0 la d\u00e9claration.<\/p>\n<p class=\"isSelectedEnd\">La date butoir du 10 ao\u00fbt 2026 ne doit pas \u00eatre source de panique. Elle doit inciter \u00e0 agir.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>California carbon reporting has moved from a future concern to a business deadline. For large companies that operate in California, carbon data now needs structure, ownership, and evidence. It cannot sit in scattered spreadsheets or one department\u2019s inbox. This shift matters because emissions reporting touches finance, operations, procurement, legal, risk, and leadership. It also affects [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":16749,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1904,1924,1925,28,2006,33,2035,34,2046,35,1283,1290,1414,1477,1574,1594,1827,1843,1844],"tags":[221,1167,1535,1719,1941,2816,2817,2834],"class_list":["post-16747","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-usa","category-gri-training","category-gri-standards","category-news","category-responsible-corporate-communication","category-corporate-sustainability","category-european-companies","category-sustainability","category-green-industrial-policy","category-sustainability-training","category-sustainability-reporting-services","category-carbon-reduction-and-product-plc","category-esg-reporting","category-net-zero","category-north-america","category-esg-investment","category-mena","category-green-skils","category-green-skills","tag-sustainability-training","tag-scope-3-emissions","tag-sb-253","tag-carbon-accounting","tag-u-s-companies","tag-scope-1-emissions","tag-scope-2-emissions","tag-california-carbon-reporting"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>California Carbon Reporting: August Deadline<\/title>\n<meta name=\"description\" content=\"California carbon reporting under SB 253 starts August 10, 2026. Learn what U.S. companies should prepare now.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cse-net.org\/fr\/california-carbon-reporting\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"California Carbon Reporting: August Deadline\" \/>\n<meta property=\"og:description\" content=\"California carbon reporting under SB 253 starts August 10, 2026. 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