{"id":65557,"date":"2020-12-17T04:14:03","date_gmt":"2020-12-16T22:44:03","guid":{"rendered":"https:\/\/www.pranaair.com\/blog\/clean-air-act-50-years\/"},"modified":"2023-01-16T11:56:46","modified_gmt":"2023-01-16T06:26:46","slug":"clean-air-act-50-years","status":"publish","type":"post","link":"https:\/\/www.pranaair.com\/blog\/fr\/clean-air-act-50-years\/","title":{"rendered":"R\u00e9trospective sur les 50\u00a0glorieuses ann\u00e9es de la loi am\u00e9ricaine sur la qualit\u00e9 de l&rsquo;air"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #161616;color:#161616\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #161616;color:#161616\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pranaair.com\/blog\/fr\/clean-air-act-50-years\/#Quest-ce_qui_a_necessite_la_Clean_Air_Act\" >Qu&rsquo;est-ce qui a n\u00e9cessit\u00e9 la Clean Air Act?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pranaair.com\/blog\/fr\/clean-air-act-50-years\/#La_loi_a-t-elle_reussi_a_cocher_toutes_les_cases_en_termes_dimpact\" >La loi a-t-elle r\u00e9ussi \u00e0 cocher toutes les cases en termes d&rsquo;impact ?<\/a><\/li><\/ul><\/nav><\/div>\n<p><em>D\u00e9cembre 2020 marque l&rsquo;ach\u00e8vement de cinq d\u00e9cennies depuis la cr\u00e9ation de l&rsquo;Agence am\u00e9ricaine de protection de l&rsquo;environnement et sa d\u00e9cision historique d&rsquo;adopter la Clean Air Act. Le pr\u00e9sident Nixon, le 31 d\u00e9cembre 1970, a appos\u00e9 son sceau officiel sur la loi. C&rsquo;est sans doute l&rsquo;une des d\u00e9cisions environnementales les plus r\u00e9volutionnaires et les plus prometteuses jamais prises. Alors avant son 50e anniversaire, nous avons d\u00e9cid\u00e9 de regarder r\u00e9trospectivement le parcours de l&rsquo;acte.<\/em><\/p>\n<p>La fin du XXe si\u00e8cle a \u00e9t\u00e9 t\u00e9moin d&rsquo;une rupture des \u00e9quilibres environnementaux \u00e0 l&rsquo;\u00e9chelle mondiale. Les \u00c9tats-Unis d&rsquo;Am\u00e9rique ont cr\u00e9\u00e9 une r\u00e9f\u00e9rence pour le monde en \u00e9tant l&rsquo;un des premiers pays \u00e0 accueillir la conservation de l&rsquo;environnement dans leur squelette l\u00e9gislatif. Les \u00c9tats-Unis ont r\u00e9pondu aux pr\u00e9occupations croissantes concernant la pollution de l&rsquo;air en adoptant la Clean Air Act il y a 50 ans. Cet acte historique a permis d&rsquo;am\u00e9liorer consid\u00e9rablement le risque environnemental le plus \u00e9pouvantable auquel le leader mondial \u00e9tait alors confront\u00e9.<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #ffff99;\"><a class=\"dt-pswp-item\" style=\"color: #ffff99;\" href=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/12\/Air-Pollution-in-USA.png\" data-dt-img-description=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14295\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/12\/Air-Pollution-in-USA.png\" alt=\"Air Pollution in USA\" width=\"640\" height=\"640\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Air-Pollution-in-USA.png 640w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Air-Pollution-in-USA-180x180.png 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Air-Pollution-in-USA-100x100.png 100w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Air-Pollution-in-USA-300x300.png 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Air-Pollution-in-USA-150x150.png 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Quest-ce_qui_a_necessite_la_Clean_Air_Act\"><\/span><span style=\"background-color: #008000; color: #ffff99;\" data-preserver-spaces=\"true\">Qu&rsquo;est-ce qui a n\u00e9cessit\u00e9 la Clean Air Act? <\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Les industries ont fait surface et fleuri dans la premi\u00e8re moiti\u00e9 du XXe si\u00e8cle. L&rsquo;industrialisation fulgurante avec une r\u00e9glementation minimale coupl\u00e9e \u00e0 l&rsquo;urbanisation a pes\u00e9 sur l&rsquo;air-sant\u00e9. Elle a \u00e9galement entra\u00een\u00e9 une augmentation des morbidit\u00e9s de l&#8217;emphys\u00e8me et de l&rsquo;asthme. Au milieu du si\u00e8cle, la qualit\u00e9 de l&rsquo;air s&rsquo;\u00e9tait tellement d\u00e9t\u00e9rior\u00e9e que de nombreuses villes am\u00e9ricaines \u00e9taient devenues synonymes de smog. Le smog impr\u00e9vu et monstrueux \u00e0 Los Angeles, en Californie (1943) \u00e9tait l&rsquo;un de ces incidents qui a profond\u00e9ment \u00e9branl\u00e9 les autorit\u00e9s. Les d\u00e9c\u00e8s dus \u00e0 la pollution de l&rsquo;air \u00e9taient \u00e9galement en augmentation. Le smog de New York de 1966, responsable de la mort d&rsquo;au moins 169 personnes, a gifl\u00e9 tout le pays avec la r\u00e9alit\u00e9 brutale de la pollution de l&rsquo;air.<\/p>\n<p style=\"text-align: justify;\"><a class=\"dt-pswp-item\" href=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/12\/smog-in-LA.jpg\" data-dt-img-description=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14293\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/12\/smog-in-LA.jpg\" alt=\"smog in LA\" width=\"1920\" height=\"1440\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/smog-in-LA.jpg 1333w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/smog-in-LA-300x225.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/smog-in-LA-1024x768.jpg 1024w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/smog-in-LA-768x576.jpg 768w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/smog-in-LA-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><\/p>\n<p>Les niveaux croissants de polluants atmosph\u00e9riques, en particulier le NO2 et le SO2, ont \u00e9galement mobilis\u00e9 et acc\u00e9l\u00e9r\u00e9 les incidences des pluies acides. Toutes ces raisons mettent en p\u00e9ril la sant\u00e9 de l&rsquo;atmosph\u00e8re ainsi que celle des citoyens. Comme d\u00e9nouement, le Clean Air Act a vu le jour en 1970. Ainsi a commenc\u00e9 un h\u00e9ritage qui a litt\u00e9ralement et figur\u00e9 insuffl\u00e9 la vie au peuple am\u00e9ricain. Les autorit\u00e9s ont frein\u00e9 les industries et resserr\u00e9 la r\u00e9glementation en 1977. Elles ont apport\u00e9 de nouvelles modifications \u00e0 la loi en 1990.<\/p>\n<p>En cons\u00e9quence, la qualit\u00e9 de l&rsquo;air s&rsquo;est consid\u00e9rablement am\u00e9lior\u00e9e au moment de l&rsquo;incursion du pays dans le 21e si\u00e8cle. Les concentrations de SO2 et de NO2 ont \u00e9t\u00e9 ma\u00eetris\u00e9es et des restrictions strictes sur les toxines atmosph\u00e9riques dangereuses ont suivi. Une augmentation des niveaux de pollution augmente la demande de gestion efficace de la qualit\u00e9 de l&rsquo;air et d&rsquo;att\u00e9nuation des menaces pour la sant\u00e9 d&rsquo;une mani\u00e8re qui n&rsquo;entrave pas la croissance \u00e9conomique.<\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"La_loi_a-t-elle_reussi_a_cocher_toutes_les_cases_en_termes_dimpact\"><\/span><span style=\"background-color: #008000; color: #ffff99;\">La loi a-t-elle r\u00e9ussi \u00e0 cocher toutes les cases en termes d&rsquo;impact ? <\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Cette ann\u00e9e marque le 50e anniversaire de l&rsquo;adoption de la Clean Air Act. Cet h\u00e9ritage de plus de cinq d\u00e9cennies a produit des r\u00e9sultats remarquables. Sa mise en \u0153uvre ponctuelle par l&rsquo;Agence am\u00e9ricaine de protection de l&rsquo;environnement (EPA) a entra\u00een\u00e9 une r\u00e9duction substantielle de la fr\u00e9quence des pluies acides. Les \u00c9tats-Unis ont r\u00e9alis\u00e9 cet exploit en r\u00e9duisant consid\u00e9rablement les concentrations de polluants atmosph\u00e9riques. Par exemple, les niveaux d&rsquo;oxydes nitreux et d&rsquo;ozone \u00e0 Los Angeles ont diminu\u00e9 de 70 \u00e0 80 % entre 1962 et 2012. La baisse des niveaux de NO2 a \u00e9galement catalys\u00e9 la conservation de la couche d&rsquo;ozone protectrice.<\/p>\n<p>Les \u00c9tats-Unis ont adopt\u00e9 le Clean Air Act avec comme objectif central la r\u00e9duction de la concentration de polluants nocifs. La Clean Air Act a pr\u00e9sent\u00e9 de nombreux autres avantages pour la sant\u00e9, l&rsquo;environnement et l&rsquo;\u00e9conomie. Selon l&rsquo;US EPA, le Clean Air Act a \u00e9vit\u00e9 plus de 230,000 d\u00e9c\u00e8s pr\u00e9matur\u00e9s d&rsquo;ici 2020. Il y a eu une diminution de la fr\u00e9quence des bronchites et de l&rsquo;asthme. Les niveaux de monoxyde de carbone et d&rsquo;ozone ont diminu\u00e9 d&rsquo;un facteur de 74% et 21 %, respectivement, entre 1990 et 2018. La concentration atmosph\u00e9rique de plomb a diminu\u00e9 de 82% depuis 2010. Ces r\u00e9ductions se refl\u00e8tent dans la structure plus saine du sol, les masses d&rsquo;eau douce , et la v\u00e9g\u00e9tation.<\/p>\n<p>La loi a \u00e9galement supprim\u00e9 les charges financi\u00e8res que la crise de l&rsquo;air avait caus\u00e9es. L&rsquo;EPA estime les avantages \u00e0 environ 2 billions de dollars am\u00e9ricains au fil des ans.<\/p>\n<p>Le Clean Air Act est \u00e9galement en phase avec six des dix-sept objectifs de d\u00e9veloppement durable. Ces objectifs sont fix\u00e9s par les Nations Unies pour faire de la terre un meilleur endroit pour les g\u00e9n\u00e9rations \u00e0 venir.<\/p>\n<p style=\"text-align: justify;\"><a class=\"dt-pswp-item\" href=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/12\/Clean-Air-Act-Associated-Sustainable-development-goals-1.jpg\" data-dt-img-description=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14294\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/12\/Clean-Air-Act-Associated-Sustainable-development-goals-1.jpg\" alt=\"Clean Air Act - Associated Sustainable development goals (1)\" width=\"640\" height=\"640\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Clean-Air-Act-Associated-Sustainable-development-goals-1.jpg 640w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Clean-Air-Act-Associated-Sustainable-development-goals-1-180x180.jpg 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Clean-Air-Act-Associated-Sustainable-development-goals-1-100x100.jpg 100w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Clean-Air-Act-Associated-Sustainable-development-goals-1-300x300.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/12\/Clean-Air-Act-Associated-Sustainable-development-goals-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><em>Vous voulez lutter contre la pollution de l&rsquo;air ? D\u00e9couvrez notre gamme de produits de qualit\u00e9 de l&rsquo;air sur <a href=\"https:\/\/www.pranaair.com\/fr\/\" data-wplink-edit=\"true\">https:\/\/www.pranaair.com\/<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9cembre 2020 marque l&rsquo;ach\u00e8vement de cinq d\u00e9cennies depuis la cr\u00e9ation de l&rsquo;Agence am\u00e9ricaine de protection de l&rsquo;environnement et sa d\u00e9cision&hellip;<\/p>\n","protected":false},"author":6,"featured_media":28219,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[311,495,312],"tags":[],"class_list":["post-65557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-pollution-fr","category-article-fr","category-outdoor-air-quality-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v27.6) - 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