{"id":2564,"date":"2025-11-12T20:15:14","date_gmt":"2025-11-12T20:15:14","guid":{"rendered":"https:\/\/infos-media-nantes.fr\/?p=2564"},"modified":"2025-11-12T22:32:47","modified_gmt":"2025-11-12T22:32:47","slug":"pollution-microplastiques-loire-rapport-2025","status":"publish","type":"post","link":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/","title":{"rendered":"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire"},"content":{"rendered":"\n<article>\n  <header>\n    <p>Les biologistes <strong>Julien Chapuis<\/strong> et <strong>Barbara R\u00e9thor\u00e9<\/strong>, \u00e0 l\u2019origine du projet <strong>Loire Sentinelle<\/strong>, publient le rapport <em>\u00ab Un fleuve, une sant\u00e9 \u00bb<\/em>. Apr\u00e8s trois ann\u00e9es d\u2019investigation, leurs conclusions sont sans appel : la Loire est enti\u00e8rement contamin\u00e9e par les microplastiques, de ses sources \u00e0 son estuaire.  \n    Le rapport complet est disponible en acc\u00e8s libre :  \n    <a href=\"https:\/\/www.natexplorers.fr\/wp-content\/uploads\/2025\/09\/LOIRE-SENTINELLE-Rapport-public-pdf-interactif.pdf\" target=\"_blank\" rel=\"noopener\">\ud83d\udcc4 T\u00e9l\u00e9charger le rapport Loire Sentinelle \u2013 Un fleuve, une sant\u00e9 (PDF)<\/a>.<\/p>\n  <\/header>\n\n  <section>\n    <h2>Une exp\u00e9dition in\u00e9dite sur le plus long fleuve de France<\/h2>\n    <p>Entre mai et juillet 2022, les chercheurs ont parcouru l\u2019int\u00e9gralit\u00e9 du fleuve, soit plus de 1 000 km, depuis sa source au mont Gerbier-de-Jonc jusqu\u2019\u00e0 l\u2019estuaire nantais. Leur projet, m\u00ealant science et art, a mobilis\u00e9 biologistes, photographes et artistes embarqu\u00e9s pour une mission de sensibilisation.<\/p>\n    <p>\u00ab Nous avons collect\u00e9 des \u00e9chantillons d\u2019eau, de s\u00e9diments et d\u2019ADN environnemental sur plus de cinquante sites \u00bb, explique <strong>Julien Chapuis<\/strong>. \u00ab Cela n\u2019avait jamais \u00e9t\u00e9 r\u00e9alis\u00e9 \u00e0 une telle \u00e9chelle, du moins en Europe. \u00bb<\/p>\n  <\/section>\n\n  <section>\n    <h2>Des microplastiques omnipr\u00e9sents<\/h2>\n    <p>Le constat est alarmant : la pr\u00e9sence de microplastiques est g\u00e9n\u00e9ralis\u00e9e, aussi bien dans l\u2019eau que dans les s\u00e9diments. Ces particules, souvent issues de la d\u00e9gradation de plastiques industriels, de v\u00eatements synth\u00e9tiques ou de pneus, ont \u00e9t\u00e9 d\u00e9tect\u00e9es dans chaque pr\u00e9l\u00e8vement.<\/p>\n    <p>\u00ab Nous avons retrouv\u00e9 des fragments m\u00eame dans les zones les plus pr\u00e9serv\u00e9es du bassin \u00bb, souligne <strong>Barbara R\u00e9thor\u00e9<\/strong>. Le rapport indique une densit\u00e9 moyenne de plusieurs centaines de microplastiques par litre d\u2019eau. Ces r\u00e9sultats confirment que <strong>le plastique est d\u00e9sormais un composant omnipr\u00e9sent du fleuve<\/strong>.<\/p>\n  <\/section>\n\n  <section>\n    <h2>Un enjeu de sant\u00e9 environnementale<\/h2>\n    <p>Les scientifiques plaident pour une prise de conscience rapide : \u00ab Les microplastiques ne se contentent pas d\u2019alt\u00e9rer la qualit\u00e9 de l\u2019eau ; ils int\u00e8grent la cha\u00eene alimentaire et peuvent avoir des impacts sur la sant\u00e9 humaine \u00bb, rappelle Julien Chapuis. Les poissons, mollusques et oiseaux aquatiques ing\u00e8rent r\u00e9guli\u00e8rement ces fragments invisibles.<\/p>\n    <p>Leur d\u00e9marche vise \u00e0 faire de la Loire un symbole de mobilisation collective. Le projet Loire Sentinelle se poursuit avec des ateliers p\u00e9dagogiques et des expositions itin\u00e9rantes afin d\u2019impliquer le grand public dans la pr\u00e9servation du fleuve.<\/p>\n\n    <aside class=\"imn-readmore\">\n      <h3>\u00c0 lire aussi<\/h3>\n      <p><a href=\"https:\/\/infos-media-nantes.fr\/loire-atlantique-eau-potable-2035-2050\/\" target=\"_blank\" rel=\"noopener\">Loire-Atlantique : comment garantir une eau potable d\u2019ici 2050 ?<\/a><\/p>\n    <\/aside>\n  <\/section>\n\n  <!-- ===== MINI-JEU OFFICIEL IMN \u2014 R\u00c9CUP\u00c8RE L\u2019EAU DE PLUIE (VERSION AM\u00c9LIOR\u00c9E) ===== -->\n  <section class=\"imn-pluie\">\n    <h2>Mini-jeu : \u00ab R\u00e9cup\u00e8re l\u2019eau de pluie ! \u00bb<\/h2>\n    <p>Attrape les gouttes pour remplir ton r\u00e9cup\u00e9rateur. Trois rat\u00e9es, et c\u2019est perdu !  \n    Essaye de battre ton meilleur score !<\/p>\n\n    <div id=\"pluie-zone\" style=\"position:relative;width:300px;height:400px;margin:auto;background:#0a1821;border:2px solid #5532F0;border-radius:12px;overflow:hidden;user-select:none;touch-action:none;color:#fff;\"><\/div>\n    <p id=\"pluie-score\" style=\"text-align:center;margin-top:6px;\">Gouttes r\u00e9cup\u00e9r\u00e9es : 0<\/p>\n    <p id=\"pluie-best\" style=\"text-align:center;color:#00bcd4;\">Meilleur score : 0<\/p>\n    <div style=\"text-align:center;margin-top:10px;\">\n      <button id=\"pluie-start\" class=\"imn-btn\">Jouer<\/button>\n      <button id=\"pluie-restart\" class=\"imn-btn\" style=\"display:none;\">Rejouer<\/button>\n    <\/div>\n  <\/section>\n\n  <footer>\n    <p><strong>Sources :<\/strong> Projet Loire Sentinelle, rapport \u00ab Un fleuve, une sant\u00e9 \u00bb, 2025.<\/p>\n  <\/footer>\n\n  <style>\n    article a{color:#5532F0;font-weight:bold;text-decoration:underline;}\n    .imn-readmore{border:2px solid #5532F0;padding:12px 16px;margin:20px 0;border-radius:10px;background:#f8f7ff;}\n    .imn-readmore h3{margin-top:0;color:#5532F0;font-size:18px;}\n    .imn-btn{\n      background:#5532F0;color:#fff;border:1px solid #5532F0;\n      padding:8px 16px;border-radius:12px;font-size:15px;cursor:pointer;\n      appearance:none;-webkit-appearance:none;transition:opacity .2s ease;\n    }\n    .imn-btn:hover{opacity:.9;}\n  <\/style>\n\n  <script>\n  \/\/ ===== MINI-JEU IMN \u2014 R\u00c9CUP\u00c8RE L\u2019EAU DE PLUIE (v2 : meilleur score + progression accrue) =====\n  document.addEventListener('DOMContentLoaded',()=>{\n    const zone=document.getElementById('pluie-zone');\n    const scoreEl=document.getElementById('pluie-score');\n    const bestEl=document.getElementById('pluie-best');\n    const startBtn=document.getElementById('pluie-start');\n    const restartBtn=document.getElementById('pluie-restart');\n    let score=0,miss=0,playing=false,spawn=null,startTime=0,speed=900,best=localStorage.getItem('imn_pluie_best')||0;\n    bestEl.textContent='Meilleur score : '+best;\n\n    function imnTrackSafe(e,d){try{imnTrack&&imnTrack(e,d||{});}catch{}}\n\n    function startGame(){\n      score=0;miss=0;playing=true;speed=900;\n      zone.innerHTML='';scoreEl.textContent='Gouttes r\u00e9cup\u00e9r\u00e9es : 0';\n      startBtn.style.display='none';restartBtn.style.display='none';\n      imnTrackSafe('pluie_start');\n      startTime=Date.now();\n      spawn=setInterval(createDrop,speed);\n      updateSpeed();\n    }\n\n    function updateSpeed(){\n      if(!playing)return;\n      const elapsed=(Date.now()-startTime)\/1000;\n      let newSpeed=speed;\n      if(elapsed>40)newSpeed=220;\n      else if(elapsed>30)newSpeed=320;\n      else if(elapsed>20)newSpeed=480;\n      else if(elapsed>10)newSpeed=700;\n      else newSpeed=900;\n      if(newSpeed!==speed){\n        speed=newSpeed;\n        clearInterval(spawn);\n        spawn=setInterval(createDrop,speed);\n      }\n      setTimeout(updateSpeed,1000);\n    }\n\n    function endGame(){\n      playing=false;clearInterval(spawn);\n      imnTrackSafe('pluie_end',{score});\n      if(score>best){best=score;localStorage.setItem('imn_pluie_best',best);bestEl.textContent='Meilleur score : '+best;}\n      const msg=document.createElement('div');\n      msg.textContent=`Fin ! Tu as r\u00e9cup\u00e9r\u00e9 ${score} gouttes de pluie \ud83d\udca7`;\n      Object.assign(msg.style,{position:'absolute',top:'40%',width:'100%',textAlign:'center',color:'#00bcd4'});\n      zone.appendChild(msg);\n      restartBtn.style.display='inline-block';\n    }\n\n    function createDrop(){\n      if(!playing)return;\n      const d=document.createElement('div');\n      d.textContent='\ud83d\udca7';\n      Object.assign(d.style,{position:'absolute',left:Math.random()*260+'px',top:'0',fontSize:'28px'});\n      zone.appendChild(d);\n      let y=0;\n      const fall=setInterval(()=>{\n        y+=6;\n        d.style.top=y+'px';\n        if(y>370){\n          miss++;d.remove();clearInterval(fall);\n          imnTrackSafe('pluie_miss');\n          if(miss>=3)endGame();\n        }\n      },35);\n      d.addEventListener('pointerdown',()=>{\n        if(!playing)return;\n        score++;scoreEl.textContent='Gouttes r\u00e9cup\u00e9r\u00e9es : '+score;\n        imnTrackSafe('pluie_catch');\n        d.remove();clearInterval(fall);\n      });\n    }\n\n    startBtn.addEventListener('click',startGame);\n    restartBtn.addEventListener('click',startGame);\n  });\n  <\/script>\n<\/article>\n\n","protected":false},"excerpt":{"rendered":"<p>Les biologistes Julien Chapuis et Barbara R\u00e9thor\u00e9, \u00e0 l\u2019origine du projet Loire Sentinelle, publient le rapport \u00ab Un fleuve, une sant\u00e9 \u00bb. Apr\u00e8s trois ann\u00e9es d\u2019investigation, leurs conclusions sont sans appel : la Loire est enti\u00e8rement contamin\u00e9e par les microplastiques, de ses sources \u00e0 son estuaire. Le rapport complet est disponible en acc\u00e8s libre : [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2565,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","event_start_date":"","event_end_date":"","event_location":"","imn_event_city":"","imn_event_start_time":"","imn_event_end_time":"","imn_event_all_day":"","imn_event_address":"","imn_event_ticket_url":"","imn_event_price":"","imn_event_status":"","imn_event_organizer":"","imn_event_accessibility":""},"categories":[22],"tags":[78,993,162,382,1774,1775,1733],"class_list":["post-2564","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-nantes","tag-biodiversite","tag-ecologie-2","tag-environnement","tag-loire","tag-loire-sentinelle","tag-microplastiques","tag-pollution"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours<\/title>\n<meta name=\"description\" content=\"Une \u00e9tude r\u00e9v\u00e8le que la Loire est enti\u00e8rement pollu\u00e9e par les microplastiques, du mont Gerbier-de-Jonc \u00e0 l\u2019estuaire nantais\u2026\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours\" \/>\n<meta property=\"og:description\" content=\"Une \u00e9tude r\u00e9v\u00e8le que la Loire est enti\u00e8rement pollu\u00e9e par les microplastiques, du mont Gerbier-de-Jonc \u00e0 l\u2019estuaire nantais\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/\" \/>\n<meta property=\"og:site_name\" content=\"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-12T20:15:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-12T22:32:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2025\/11\/Capture-decran-2025-11-12-a-21.14.29-1024x855.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"855\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Infos M\u00e9dia\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Infos M\u00e9dia\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/\"},\"author\":{\"name\":\"Infos M\u00e9dia\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#\\\/schema\\\/person\\\/6b4b88f01bee64ad4af07052d36104ca\"},\"headline\":\"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire\",\"datePublished\":\"2025-11-12T20:15:14+00:00\",\"dateModified\":\"2025-11-12T22:32:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/\"},\"wordCount\":452,\"publisher\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/infos-media-nantes.fr\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Capture-decran-2025-11-12-a-21.14.29.png\",\"keywords\":[\"biodiversit\u00e9\",\"\u00c9cologie\",\"Environnement\",\"Loire\",\"Loire Sentinelle\",\"Microplastiques\",\"pollution\"],\"articleSection\":[\"Les News\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/\",\"url\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/\",\"name\":\"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/infos-media-nantes.fr\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Capture-decran-2025-11-12-a-21.14.29.png\",\"datePublished\":\"2025-11-12T20:15:14+00:00\",\"dateModified\":\"2025-11-12T22:32:47+00:00\",\"description\":\"Une \u00e9tude r\u00e9v\u00e8le que la Loire est enti\u00e8rement pollu\u00e9e par les microplastiques, du mont Gerbier-de-Jonc \u00e0 l\u2019estuaire nantais\u2026\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/#primaryimage\",\"url\":\"https:\\\/\\\/infos-media-nantes.fr\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Capture-decran-2025-11-12-a-21.14.29.png\",\"contentUrl\":\"https:\\\/\\\/infos-media-nantes.fr\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Capture-decran-2025-11-12-a-21.14.29.png\",\"width\":1676,\"height\":1399},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/pollution-microplastiques-loire-rapport-2025\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/infos-media-nantes.fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#website\",\"url\":\"https:\\\/\\\/infos-media-nantes.fr\\\/\",\"name\":\"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours\",\"description\":\"Infos M\u00e9dia Nantes \u2013 ton m\u00e9dia local sur Nantes et la Loire-Atlantique. Actus positives, culture, sport, vie de quartier\u2026 et chaque jour ton horoscope gratuit.\",\"publisher\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/infos-media-nantes.fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#organization\",\"name\":\"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours\",\"url\":\"https:\\\/\\\/infos-media-nantes.fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/infos-media-nantes.fr\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Logo-Infos-Media-Nantes-sur-fond-violet.png\",\"contentUrl\":\"https:\\\/\\\/infos-media-nantes.fr\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Logo-Infos-Media-Nantes-sur-fond-violet.png\",\"width\":1024,\"height\":1024,\"caption\":\"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours\"},\"image\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#\\\/schema\\\/person\\\/6b4b88f01bee64ad4af07052d36104ca\",\"name\":\"Infos M\u00e9dia\",\"sameAs\":[\"http:\\\/\\\/infos-media-nantes.fr\"],\"url\":\"https:\\\/\\\/infos-media-nantes.fr\\\/author\\\/robuchon-natachagmail-com\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours","description":"Une \u00e9tude r\u00e9v\u00e8le que la Loire est enti\u00e8rement pollu\u00e9e par les microplastiques, du mont Gerbier-de-Jonc \u00e0 l\u2019estuaire nantais\u2026","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/","og_locale":"fr_FR","og_type":"article","og_title":"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours","og_description":"Une \u00e9tude r\u00e9v\u00e8le que la Loire est enti\u00e8rement pollu\u00e9e par les microplastiques, du mont Gerbier-de-Jonc \u00e0 l\u2019estuaire nantais\u2026","og_url":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/","og_site_name":"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours","article_published_time":"2025-11-12T20:15:14+00:00","article_modified_time":"2025-11-12T22:32:47+00:00","og_image":[{"width":1024,"height":855,"url":"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2025\/11\/Capture-decran-2025-11-12-a-21.14.29-1024x855.png","type":"image\/png"}],"author":"Infos M\u00e9dia","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Infos M\u00e9dia","Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/#article","isPartOf":{"@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/"},"author":{"name":"Infos M\u00e9dia","@id":"https:\/\/infos-media-nantes.fr\/#\/schema\/person\/6b4b88f01bee64ad4af07052d36104ca"},"headline":"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire","datePublished":"2025-11-12T20:15:14+00:00","dateModified":"2025-11-12T22:32:47+00:00","mainEntityOfPage":{"@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/"},"wordCount":452,"publisher":{"@id":"https:\/\/infos-media-nantes.fr\/#organization"},"image":{"@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/#primaryimage"},"thumbnailUrl":"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2025\/11\/Capture-decran-2025-11-12-a-21.14.29.png","keywords":["biodiversit\u00e9","\u00c9cologie","Environnement","Loire","Loire Sentinelle","Microplastiques","pollution"],"articleSection":["Les News"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/","url":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/","name":"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours","isPartOf":{"@id":"https:\/\/infos-media-nantes.fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/#primaryimage"},"image":{"@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/#primaryimage"},"thumbnailUrl":"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2025\/11\/Capture-decran-2025-11-12-a-21.14.29.png","datePublished":"2025-11-12T20:15:14+00:00","dateModified":"2025-11-12T22:32:47+00:00","description":"Une \u00e9tude r\u00e9v\u00e8le que la Loire est enti\u00e8rement pollu\u00e9e par les microplastiques, du mont Gerbier-de-Jonc \u00e0 l\u2019estuaire nantais\u2026","breadcrumb":{"@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/#primaryimage","url":"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2025\/11\/Capture-decran-2025-11-12-a-21.14.29.png","contentUrl":"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2025\/11\/Capture-decran-2025-11-12-a-21.14.29.png","width":1676,"height":1399},{"@type":"BreadcrumbList","@id":"https:\/\/infos-media-nantes.fr\/pollution-microplastiques-loire-rapport-2025\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/infos-media-nantes.fr\/"},{"@type":"ListItem","position":2,"name":"Trois ans d\u2019enqu\u00eate r\u00e9v\u00e8lent une pollution g\u00e9n\u00e9ralis\u00e9e aux microplastiques dans la Loire"}]},{"@type":"WebSite","@id":"https:\/\/infos-media-nantes.fr\/#website","url":"https:\/\/infos-media-nantes.fr\/","name":"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours","description":"Infos M\u00e9dia Nantes \u2013 ton m\u00e9dia local sur Nantes et la Loire-Atlantique. Actus positives, culture, sport, vie de quartier\u2026 et chaque jour ton horoscope gratuit.","publisher":{"@id":"https:\/\/infos-media-nantes.fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/infos-media-nantes.fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/infos-media-nantes.fr\/#organization","name":"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours","url":"https:\/\/infos-media-nantes.fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/infos-media-nantes.fr\/#\/schema\/logo\/image\/","url":"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2026\/04\/Logo-Infos-Media-Nantes-sur-fond-violet.png","contentUrl":"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2026\/04\/Logo-Infos-Media-Nantes-sur-fond-violet.png","width":1024,"height":1024,"caption":"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours"},"image":{"@id":"https:\/\/infos-media-nantes.fr\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/infos-media-nantes.fr\/#\/schema\/person\/6b4b88f01bee64ad4af07052d36104ca","name":"Infos M\u00e9dia","sameAs":["http:\/\/infos-media-nantes.fr"],"url":"https:\/\/infos-media-nantes.fr\/author\/robuchon-natachagmail-com\/"}]}},"_links":{"self":[{"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/posts\/2564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/comments?post=2564"}],"version-history":[{"count":0,"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/posts\/2564\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/media\/2565"}],"wp:attachment":[{"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/categories?post=2564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infos-media-nantes.fr\/index.php\/wp-json\/wp\/v2\/tags?post=2564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}