{"id":63225,"date":"2025-09-11T00:01:38","date_gmt":"2025-09-11T05:01:38","guid":{"rendered":"https:\/\/www.mcknight.org\/?p=63225"},"modified":"2025-09-10T10:48:38","modified_gmt":"2025-09-10T15:48:38","slug":"report-nitrous-oxide-a-hidden-threat","status":"publish","type":"post","link":"https:\/\/www.mcknight.org\/fr\/news-ideas\/report-nitrous-oxide-a-hidden-threat\/","title":{"rendered":"Cach\u00e9 mais nocif\u00a0: un nouveau rapport appelle \u00e0 agir sur les \u00e9missions d&#039;oxyde nitreux provenant de l&#039;agriculture am\u00e9ricaine"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h4><em>La Fondation McKnight et la Fondation pour l&#039;agriculture r\u00e9g\u00e9n\u00e9ratrice publient un rapport sur la r\u00e9duction de l&#039;oxyde nitreux provenant de la production et de l&#039;utilisation d&#039;engrais synth\u00e9tiques.<\/em><em>Des objectifs ambitieux mais r\u00e9alisables et des solutions centr\u00e9es sur les agriculteurs visent \u00e0 r\u00e9duire les \u00e9missions et \u00e0 renforcer les communaut\u00e9s rurales d&#039;ici 2050<\/em><\/h4>\n<p><a href=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/Nitrous-Oxide-A-Hidden-Threat-Pathways-for-Industry-Agriculture-to-Reduce-Emissions-from-Synthetic-Fertilizer.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-63214\" src=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/N20-Report-Cover-1-480x624.jpg\" alt=\"\" width=\"252\" height=\"327\" srcset=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/N20-Report-Cover-1-480x624.jpg 480w, https:\/\/www.mcknight.org\/wp-content\/uploads\/N20-Report-Cover-1-1200x1561.jpg 1200w, https:\/\/www.mcknight.org\/wp-content\/uploads\/N20-Report-Cover-1-240x312.jpg 240w, https:\/\/www.mcknight.org\/wp-content\/uploads\/N20-Report-Cover-1-768x999.jpg 768w, https:\/\/www.mcknight.org\/wp-content\/uploads\/N20-Report-Cover-1-1181x1536.jpg 1181w, https:\/\/www.mcknight.org\/wp-content\/uploads\/N20-Report-Cover-1-9x12.jpg 9w, https:\/\/www.mcknight.org\/wp-content\/uploads\/N20-Report-Cover-1.jpg 1216w\" sizes=\"auto, (max-width: 252px) 100vw, 252px\" \/><\/a>11 septembre 2025 \u2013 La Fondation McKnight et la Regenerative Agriculture Foundation sont ravies de partager un nouveau rapport qui explore comment les d\u00e9fenseurs du climat et les bailleurs de fonds peuvent aider le secteur agricole \u00e0 mettre en \u0153uvre des approches durables pour r\u00e9duire les \u00e9missions de gaz \u00e0 effet de serre dans le Midwest et dans tout le pays. <strong>Protoxyde d&#039;azote \u2014 Une menace cach\u00e9e : pistes pour l&#039;industrie et l&#039;agriculture afin de r\u00e9duire les \u00e9missions provenant des engrais synth\u00e9tiques<\/strong> explore les d\u00e9fis et les opportunit\u00e9s pour les producteurs d\u2019engrais azot\u00e9s synth\u00e9tiques et les agriculteurs pour aider \u00e0 r\u00e9duire l\u2019un des gaz \u00e0 effet de serre les moins suivis \u2013 l\u2019oxyde nitreux (N\u2082O). <a href=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/Nitrous-Oxide-A-Hidden-Threat-Pathways-for-Industry-Agriculture-to-Reduce-Emissions-from-Synthetic-Fertilizer.pdf\">T\u00e9l\u00e9chargez le rapport complet ici.<\/a><\/p>\n<p>Le rapport et ses recommandations ont \u00e9t\u00e9 \u00e9labor\u00e9s au cours d\u2019une ann\u00e9e de discussions intensives avec des agriculteurs, des chercheurs, des d\u00e9fenseurs et des leaders d\u2019opinion.<\/p>\n<p>\u00ab La r\u00e9duction des \u00e9missions d&#039;oxyde nitreux provenant de l&#039;agriculture est essentielle alors que nous cherchons \u00e0 lutter contre le changement climatique et \u00e0 renforcer l&#039;\u00e9conomie agricole am\u00e9ricaine \u00bb, a d\u00e9clar\u00e9 <strong>Tenzin<\/strong> <strong>Dolkar, responsable principal de programme \u00e0 la Fondation McKnight<\/strong> et co-responsable du rapport. \u00ab En mettant en \u0153uvre collectivement les recommandations formul\u00e9es dans ce rapport, le secteur agricole am\u00e9ricain peut r\u00e9aliser des progr\u00e8s significatifs dans la r\u00e9duction des \u00e9missions de N\u2082O et contribuer \u00e0 ouvrir la voie \u00e0 un syst\u00e8me agricole plus r\u00e9silient. \u00bb<\/p>\n<p>\u00ab Merci aux dizaines d\u2019organisations, d\u2019agriculteurs et de chercheurs qui ont contribu\u00e9 \u00e0 ce nouveau rapport important \u00bb, a d\u00e9clar\u00e9 <strong>Mark Muller, directeur ex\u00e9cutif de la Regenerative Agriculture Foundation <\/strong>et co-responsable du rapport. \u00ab Nous sommes impatients de collaborer avec les acteurs de l&#039;ensemble du secteur agricole pour r\u00e9pondre \u00e0 la question suivante\u00a0: comment r\u00e9duire les \u00e9missions agricoles de mani\u00e8re \u00e0 am\u00e9liorer la r\u00e9silience \u00e9conomique, \u00e0 soutenir les moyens de subsistance des agriculteurs et \u00e0 renforcer les communaut\u00e9s rurales\u00a0? \u00bb<\/p>\n<p>Le suivi et la r\u00e9duction des \u00e9missions du secteur agricole, notamment de N\u2082O, sont complexes. Il n&#039;existe pas de solutions simples et les strat\u00e9gies pour y rem\u00e9dier ne sont pas toujours claires. Ce rapport lance un d\u00e9bat national en proposant des pistes de r\u00e9flexion pragmatiques pour r\u00e9duire les \u00e9missions de N\u2082O du secteur agricole. Il fixe des objectifs ambitieux, mais r\u00e9alisables, de r\u00e9duction des \u00e9missions de N\u2082O d&#039;origine agricole aux \u00c9tats-Unis d&#039;ici 2050.<\/p>\n<p>Ces objectifs comprennent :<\/p>\n<ul>\n<li><strong>R\u00e9duire les \u00e9missions de N2O provenant de la production nationale d&#039;engrais de 75% d&#039;ici 2035 <\/strong>(par rapport aux niveaux de 2020).<\/li>\n<li><strong>Atteindre des \u00e9missions nettes de GES nulles provenant de la production nationale d\u2019engrais d\u2019ici 2050.<\/strong><\/li>\n<li><strong>R\u00e9duire les \u00e9missions totales de N2O agricoles des \u00c9tats-Unis li\u00e9es \u00e0 l&#039;utilisation d&#039;engrais azot\u00e9s synth\u00e9tiques, de fumier et d&#039;amendements organiques d&#039;au moins 50% d&#039;ici 2050<\/strong> tout en pr\u00e9servant la qualit\u00e9 de l\u2019eau, la qualit\u00e9 de l\u2019air, l\u2019environnement et la sant\u00e9 publique.<\/li>\n<\/ul>\n<p><strong>Protoxyde d&#039;azote : une menace cach\u00e9e <\/strong>Ce rapport vise \u00e0 susciter le dialogue et l&#039;investissement des bailleurs de fonds et d\u00e9fenseurs du climat afin de favoriser la mise en \u0153uvre de solutions innovantes et de bon sens permettant de r\u00e9duire les \u00e9missions de N\u2082O tout en minimisant les impacts sanitaires et environnementaux des engrais azot\u00e9s de synth\u00e8se et en pr\u00e9servant les rendements des cultures. Il pr\u00e9sente des exemples de technologies de production et de pratiques de terrain existantes susceptibles d&#039;\u00eatre d\u00e9ploy\u00e9es \u00e0 grande \u00e9chelle gr\u00e2ce \u00e0 de futurs investissements, tout en proposant des recommandations pour la recherche et l&#039;exploration futures. Il identifie les principales mesures r\u00e9glementaires \u00e0 prendre pour renforcer les programmes f\u00e9d\u00e9raux et \u00e9tatiques existants en mati\u00e8re de gestion de l&#039;azote.<\/p>\n<h3>Voici quelques exemples de recommandations formul\u00e9es dans le rapport :<\/h3>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div data-vc-full-width=\"true\" data-vc-full-width-temp=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-4 vc_col-has-fill\"><div class=\"vc_column-inner vc_custom_1756229372630\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element vc_custom_1756229462430\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h5><strong>En amont<\/strong><\/h5>\n<p>Mesures que l&#039;industrie des engrais peut prendre pour r\u00e9duire les \u00e9missions de N2O pendant le processus de production d&#039;engrais<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-8\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element vc_custom_1756230657500\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<ul>\n<li>Investir dans la technologie de contr\u00f4le de la pollution existante et la d\u00e9ployer dans le processus de production d\u2019engrais synth\u00e9tiques.<\/li>\n<li>Effectuer des recherches suppl\u00e9mentaires pour identifier les ratios d\u2019application d\u2019engrais synth\u00e9tiques appropri\u00e9s.<\/li>\n<li>Donner la priorit\u00e9 aux communaut\u00e9s agricoles rurales locales \u00e0 mesure que le march\u00e9 national des engrais verts se d\u00e9veloppe.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row-full-width vc_clearfix\"><\/div><!-- Row Backgrounds --><div class=\"upb_color\" data-bg-override=\"0\" data-bg-color=\"#EEEEEE\" data-fadeout=\"\" data-fadeout-percentage=\"30\" data-parallax-content=\"\" data-parallax-content-sense=\"30\" data-row-effect-mobile-disable=\"true\" data-img-parallax-mobile-disable=\"true\" data-rtl=\"false\"  data-custom-vc-row=\"\"  data-vc=\"8.6.1\"  data-is_old_vc=\"\"  data-theme-support=\"\"   data-overlay=\"false\" data-overlay-color=\"\" data-overlay-pattern=\"\" data-overlay-pattern-opacity=\"\" data-overlay-pattern-size=\"\"    ><\/div><div data-vc-full-width=\"true\" data-vc-full-width-temp=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element vc_custom_1756229467708\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h5>En aval<\/h5>\n<p>Les mesures que les agriculteurs peuvent prendre pour faire la diff\u00e9rence \u00e0 la ferme et sur le terrain<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-8\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element vc_custom_1756230662654\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<ul>\n<li>Modifier le calendrier des applications d\u2019azote pour soutenir les rendements des cultures tout en r\u00e9duisant les \u00e9missions.<\/li>\n<li>D\u00e9ployer des pratiques d\u2019irrigation alternatives comme l\u2019irrigation goutte \u00e0 goutte et l\u2019irrigation souterraine.<\/li>\n<li>R\u00e9\u00e9valuer les choix de cultures et les lieux de production des cultures.<\/li>\n<li>Acc\u00e9l\u00e9rer les approches durables de la gestion de l\u2019azote.<\/li>\n<li>Am\u00e9liorer les pratiques et les outils de sant\u00e9 des sols.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row-full-width vc_clearfix\"><\/div><div data-vc-full-width=\"true\" data-vc-full-width-temp=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element vc_custom_1756229474338\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h5>R\u00e9glementaire<\/h5>\n<p>Mesures que les d\u00e9cideurs politiques f\u00e9d\u00e9raux et \u00e9tatiques peuvent prendre pour acc\u00e9l\u00e9rer la r\u00e9duction des \u00e9missions de N2O<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-8\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element vc_custom_1756230671803\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<ul>\n<li>Augmenter les ressources pour appliquer correctement les politiques et r\u00e9glementations existantes ou nouvelles en mati\u00e8re de r\u00e9duction des \u00e9missions.<\/li>\n<li>Tirer parti des permis et de l\u2019application des lois f\u00e9d\u00e9rales et \u00e9tatiques en vigueur pour encourager et accro\u00eetre l\u2019utilisation de la technologie de contr\u00f4le de la pollution dans le processus de production d\u2019engrais.<\/li>\n<li>Am\u00e9liorer les programmes f\u00e9d\u00e9raux de subventions agricoles et le programme d\u2019assurance-r\u00e9colte afin de r\u00e9duire les \u00e9missions agricoles et d\u2019am\u00e9liorer la r\u00e9silience des exploitations agricoles.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row-full-width vc_clearfix\"><\/div><!-- Row Backgrounds --><div class=\"upb_color\" data-bg-override=\"0\" data-bg-color=\"#EEEEEE\" data-fadeout=\"\" data-fadeout-percentage=\"30\" data-parallax-content=\"\" data-parallax-content-sense=\"30\" data-row-effect-mobile-disable=\"true\" data-img-parallax-mobile-disable=\"true\" data-rtl=\"false\"  data-custom-vc-row=\"\"  data-vc=\"8.6.1\"  data-is_old_vc=\"\"  data-theme-support=\"\"   data-overlay=\"false\" data-overlay-color=\"\" data-overlay-pattern=\"\" data-overlay-pattern-opacity=\"\" data-overlay-pattern-size=\"\"    ><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>La lutte contre les \u00e9missions de protoxyde d&#039;azote dans l&#039;agriculture ne se limite pas \u00e0 r\u00e9duire les gaz \u00e0 effet de serre. Il s&#039;agit de b\u00e2tir un syst\u00e8me alimentaire plus r\u00e9silient, plus \u00e9quitable et plus durable. Il s&#039;agit de garantir que ceux qui nous nourrissent \u2013 agriculteurs, travailleurs agricoles, communaut\u00e9s rurales \u2013 soient soutenus, responsabilis\u00e9s et contribuent \u00e0 la solution.<\/p>\n<p><a class=\"download-link\" href=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/Nitrous-Oxide-A-Hidden-Threat-Pathways-for-Industry-Agriculture-to-Reduce-Emissions-from-Synthetic-Fertilizer.pdf\">T\u00e9l\u00e9chargez le rapport complet ici<\/a><\/p>\n<p><a class=\"download-link\" href=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/Executive-Summary.Nitrous-Oxide-\u2013-A-Hidden-Threat.pdf\">T\u00e9l\u00e9chargez le r\u00e9sum\u00e9 ici<\/a><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_separator wpb_content_element vc_separator_align_center vc_sep_width_100 vc_sep_pos_align_center vc_separator_no_text vc_sep_color_grey wpb_content_element  wpb_content_element\" ><span class=\"vc_sep_holder vc_sep_holder_l\"><span class=\"vc_sep_line\"><\/span><\/span><span class=\"vc_sep_holder vc_sep_holder_r\"><span class=\"vc_sep_line\"><\/span><\/span>\n<\/div><div class=\"vc_row wpb_row vc_inner vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div  class=\"wpb_single_image wpb_content_element vc_align_left wpb_content_element\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<div class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"144\" src=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/McKnight_logo_primary.jpg\" class=\"vc_single_image-img attachment-full\" alt=\"\" title=\"Logo McKnight Primaire\" srcset=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/McKnight_logo_primary.jpg 800w, https:\/\/www.mcknight.org\/wp-content\/uploads\/McKnight_logo_primary-480x86.jpg 480w, https:\/\/www.mcknight.org\/wp-content\/uploads\/McKnight_logo_primary-240x43.jpg 240w, https:\/\/www.mcknight.org\/wp-content\/uploads\/McKnight_logo_primary-768x138.jpg 768w, https:\/\/www.mcknight.org\/wp-content\/uploads\/McKnight_logo_primary-18x3.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div  class=\"wpb_single_image wpb_content_element vc_align_left wpb_content_element\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<div class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"542\" height=\"267\" src=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/Regenerative-Agriculture-Foundation-logo2.png\" class=\"vc_single_image-img attachment-full\" alt=\"\" title=\"Logo de la Fondation pour l&#039;agriculture r\u00e9g\u00e9n\u00e9ratrice2\" srcset=\"https:\/\/www.mcknight.org\/wp-content\/uploads\/Regenerative-Agriculture-Foundation-logo2.png 542w, https:\/\/www.mcknight.org\/wp-content\/uploads\/Regenerative-Agriculture-Foundation-logo2-480x236.png 480w, https:\/\/www.mcknight.org\/wp-content\/uploads\/Regenerative-Agriculture-Foundation-logo2-240x118.png 240w, https:\/\/www.mcknight.org\/wp-content\/uploads\/Regenerative-Agriculture-Foundation-logo2-18x9.png 18w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/><\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"La Fondation McKnight et la Fondation pour l&#039;agriculture r\u00e9g\u00e9n\u00e9ratrice publient un rapport sur la r\u00e9duction de l&#039;oxyde nitreux issu de la production et de l&#039;utilisation d&#039;engrais synth\u00e9tiques. Des objectifs ambitieux mais r\u00e9alisables et des solutions centr\u00e9es sur les agriculteurs visent \u00e0 r\u00e9duire les \u00e9missions et \u00e0 renforcer les communaut\u00e9s rurales d&#039;ici 2050. 11 septembre 2025 \u2013 La Fondation McKnight et la Fondation pour l&#039;agriculture r\u00e9g\u00e9n\u00e9ratrice sont ravies de partager un nouveau rapport qui explore\u2026","protected":false},"author":4,"featured_media":63215,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":{"0":"post-63225","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-announcement","8":"post_topic-midwest-climate-energy"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hidden But Harmful: New Report Calls for Action on Nitrous Oxide Emissions from U.S. Agriculture - 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