{"id":1326,"date":"2015-05-22T14:20:11","date_gmt":"2015-05-22T18:20:11","guid":{"rendered":"http:\/\/glslcities.org\/?page_id=1326"},"modified":"2019-09-18T15:07:04","modified_gmt":"2019-09-18T19:07:04","slug":"microplastiques","status":"publish","type":"page","link":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/","title":{"rendered":"Microplastiques"},"content":{"rendered":"<h2>Que\u00a0sont\u00a0les\u00a0microplastiques?<a href=\"http:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles.jpg\" rel=\"attachment wp-att-6290\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6290 alignright\" src=\"http:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles-400x266.jpg\" alt=\"microbilles\" width=\"199\" height=\"132\" srcset=\"https:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles-400x266.jpg 400w, https:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles-200x133.jpg 200w, https:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles.jpg 500w\" sizes=\"auto, (max-width: 199px) 100vw, 199px\" \/><\/a><\/h2>\n<p>Les\u00a0microplastiques\u00a0sont\u00a0des\u00a0particules\u00a0de\u00a0plastique\u00a0de\u00a0moins \u00a0de\u00a05mm\u00a0de\u00a0diam\u00e8tre. Dans les Grands Lacs, les microplastiques proviennent :<\/p>\n<ol>\n<li style=\"text-align: left;\">Des\u00a0morceaux\u00a0de\u00a0plastique\u00a0de plus\u00a0grande\u00a0taille qui sont\u00a0transport\u00e9s\u00a0dans\u00a0les\u00a0rivi\u00e8res,\u00a0sur\u00a0les\u00a0plages\u00a0ou\u00a0dans\u00a0d\u2019autres\u00a0cours\u00a0d\u2019eaux\u00a0et\u00a0sont\u00a0subs\u00e9quemment\u00a0d\u00e9grad\u00e9s\u00a0et\u00a0bris\u00e9s\u00a0en de plus\u00a0petits\u00a0morceaux\u00a0par le vent, le contact\u00a0avec\u00a0l\u2019eau\u00a0ou\u00a0les\u00a0rayons\u00a0UV.<\/li>\n<li>Des\u00a0billes\u00a0de\u00a0plastique\u00a0de\u00a0moins\u00a0de\u00a05mm\u00a0de\u00a0diam\u00e8tre produites\u00a0et\u00a0ajout\u00e9es\u00a0\u00e0\u00a0diff\u00e9rents\u00a0produits\u00a0personnels,\u00a0tels\u00a0que\u00a0des\u00a0cr\u00e8mes\u00a0exfoliantes.\u00a0Elles\u00a0sont\u00a0\u00e9vacu\u00e9es\u00a0vers\u00a0les\u00a0\u00e9gouts\u00a0sanitaires\u00a0et ne\u00a0peuvent\u00a0\u00eatre\u00a0capt\u00e9es\u00a0par les\u00a0usines\u00a0de\u00a0traitement\u00a0des\u00a0eaux\u00a0et parviennent\u00a0donc\u00a0dans\u00a0les Grands\u00a0Lacs.<\/li>\n<\/ol>\n<p><strong>Quels\u00a0produits\u00a0contiennent\u00a0des\u00a0microplastiques?<\/strong><\/p>\n<p>Les\u00a0microplastiques\u00a0sont\u00a0utilis\u00e9s\u00a0dans\u00a0plusieurs\u00a0produits\u00a0courants,\u00a0tels\u00a0que\u00a0des\u00a0dentifrices, des\u00a0d\u00e9sodorisants, des\u00a0nettoyants, des\u00a0savons\u00a0\u00e0\u00a0main et des\u00a0cr\u00e8mes\u00a0exfoliantes. Les\u00a0produits\u00a0contenant\u00a0du\u00a0poly\u00e9thyl\u00e8ne\u00a0ou\u00a0du\u00a0polypropyl\u00e8ne<strong>\u00a0<\/strong>renferment\u00a0habituellement\u00a0des\u00a0microplastiques.<\/p>\n<h2>Pourquoi\u00a0les\u00a0microplastiques\u00a0pr\u00e9sentent-ils\u00a0un\u00a0probl\u00e8me\u00a0pour les\u00a0\u00e9cosyst\u00e8mes\u00a0marins?<\/h2>\n<ol>\n<li><strong>Les concentrations de\u00a0microplastiques\u00a0dans\u00a0l\u2019eau\u00a0sont\u00a0tr\u00e8s\u00a0\u00e9lev\u00e9es.<\/strong><\/li>\n<\/ol>\n<p>Selon\u00a0une\u00a0recherche\u00a0men\u00e9e\u00a0en 2012 par\u00a0Dre. Sherri Mason, de\u00a0l\u2019Univsersit\u00e9\u00a0SUNY-Fredonia, la concentration en\u00a0microplastiques\u00a0enregistr\u00e9e\u00a0dans\u00a0le\u00a0lac\u00a0\u00c9ri\u00e9\u00a0est\u00a0sup\u00e9rieure\u00a0\u00e0\u00a0toute\u00a0autre\u00a0concentration\u00a0observ\u00e9e\u00a0dans\u00a0le\u00a0monde. Elle\u00a0d\u00e9passe\u00a0m\u00eame\u00a0celle\u00a0observ\u00e9e\u00a0dans\u00a0le Vortex de\u00a0d\u00e9chets\u00a0du\u00a0Pacifique\u00a0Nord.\u00a0\u00a0(B)<\/p>\n<ol start=\"2\">\n<li><strong>Ils\u00a0ont\u00a0des impacts\u00a0tr\u00e8s\u00a0importants\u00a0sur\u00a0la\u00a0\u00a0\u00a0faune\u00a0et\u00a0sur\u00a0les\u00a0humains:<\/strong><\/li>\n<\/ol>\n<ul>\n<li><strong>Les\u00a0oiseaux\u00a0et les\u00a0poissons\u00a0les\u00a0ing\u00e8rent.\u00a0<\/strong>Les\u00a0microplastiques\u00a0causent\u00a0des\u00a0blocages\u00a0internes, la\u00a0d\u00e9shydratation\u00a0et le\u00a0d\u00e9c\u00e8s\u00a0des\u00a0animaux.<\/li>\n<li><strong>Ils\u00a0d\u00e9truisent\u00a0les habitats et les\u00a0\u00e9cosyst\u00e8mes.\u00a0<\/strong>Les\u00a0microplastiques\u00a0alt\u00e8rent\u00a0les\u00a0propri\u00e9t\u00e9s\u00a0physiques des\u00a0plages,\u00a0telles\u00a0que\u00a0la\u00a0r\u00e9flexion\u00a0de la\u00a0lumi\u00e8re,\u00a0ce\u00a0qui a un impact\u00a0sur\u00a0les\u00a0organismes\u00a0sensibles\u00a0\u00e0\u00a0la\u00a0temp\u00e9rature\u00a0des\u00a0sols.<\/li>\n<li><strong>Ils\u00a0accumulent\u00a0les\u00a0polluants.\u00a0<\/strong>Les\u00a0microplastiques\u00a0absorbent les\u00a0polluants\u00a0d\u00e9j\u00e0\u00a0pr\u00e9sents\u00a0dans\u00a0l\u2019eau,\u00a0tels\u00a0que\u00a0le DDT, les HAP et les\u00a0BPC.\u00a0Attach\u00e9s\u00a0aux\u00a0microplastiques, les\u00a0polluants\u00a0sont\u00a0bioaccumul\u00e9s\u00a0par les\u00a0animaux\u00a0et\u00a0s\u2019accumulent\u00a0\u00e0\u00a0travers\u00a0la\u00a0cha\u00eene\u00a0alimentaire. (C)<\/li>\n<\/ul>\n<h2>Que\u00a0font les\u00a0manufacturiers\u00a0au\u00a0sujet\u00a0des\u00a0microplastiques?<\/h2>\n<p>Certains\u00a0manufacturiers\u00a0se\u00a0sont\u00a0engag\u00e9s\u00a0\u00e0\u00a0cesser\u00a0l\u2019usage\u00a0des\u00a0microplastiques.\u00a0Certains\u00a0ne\u00a0l\u2019ont\u00a0pas encore fait .<\/p>\n<p>Manufacturiers\u00a0engag\u00e9s\u00a0\u00e0\u00a0cesser\u00a0l\u2019utilisation\u00a0des\u00a0microplastiques\u00a0(date):<\/p>\n<ul>\n<li>Beiersdorf\u00a0(aucune\u00a0date)<\/li>\n<li>Colgate-Palmolive (d\u2019ici\u00a0la fin 2014)<\/li>\n<li>Johnson & Johnson (d\u2019ici\u00a0la fin 2015)<\/li>\n<li>L\u2019Or\u00e9al\u00a0(aucune\u00a0date)<\/li>\n<li>Proctor & Gamble (d\u2019ici\u00a0la fin 2017)<\/li>\n<li>Unilever (d\u2019ici\u00a0la fin 2015)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Que\u00a0sont\u00a0les\u00a0microplastiques? Les\u00a0microplastiques\u00a0sont\u00a0des\u00a0particules\u00a0de\u00a0plastique\u00a0de\u00a0moins \u00a0de\u00a05mm\u00a0de\u00a0diam\u00e8tre. Dans les Grands Lacs, les microplastiques proviennent : Des\u00a0morceaux\u00a0de\u00a0plastique\u00a0de plus\u00a0grande\u00a0taille qui sont\u00a0transport\u00e9s\u00a0dans\u00a0les\u00a0rivi\u00e8res,\u00a0sur\u00a0les\u00a0plages\u00a0ou\u00a0dans\u00a0d\u2019autres\u00a0cours\u00a0d\u2019eaux\u00a0et\u00a0sont\u00a0subs\u00e9quemment\u00a0d\u00e9grad\u00e9s\u00a0et\u00a0bris\u00e9s\u00a0en de plus\u00a0petits\u00a0morceaux\u00a0par le vent, le contact\u00a0avec\u00a0l\u2019eau\u00a0ou\u00a0les\u00a0rayons\u00a0UV. Des\u00a0billes\u00a0de\u00a0plastique\u00a0de\u00a0moins\u00a0de\u00a05mm\u00a0de\u00a0diam\u00e8tre produites\u00a0et\u00a0ajout\u00e9es\u00a0\u00e0\u00a0diff\u00e9rents\u00a0produits\u00a0personnels,\u00a0tels\u00a0que\u00a0des\u00a0cr\u00e8mes\u00a0exfoliantes.\u00a0Elles\u00a0sont\u00a0\u00e9vacu\u00e9es\u00a0vers\u00a0les\u00a0\u00e9gouts\u00a0sanitaires\u00a0et ne\u00a0peuvent\u00a0\u00eatre\u00a0capt\u00e9es\u00a0par les\u00a0usines\u00a0de\u00a0traitement\u00a0des\u00a0eaux\u00a0et parviennent\u00a0donc\u00a0dans\u00a0les Grands\u00a0Lacs. Quels\u00a0produits\u00a0contiennent\u00a0des\u00a0microplastiques? Les\u00a0microplastiques\u00a0sont\u00a0utilis\u00e9s\u00a0dans\u00a0plusieurs\u00a0produits\u00a0courants,\u00a0tels\u00a0que\u00a0des\u00a0dentifrices, des\u00a0d\u00e9sodorisants, des\u00a0nettoyants, des\u00a0savons\u00a0\u00e0\u00a0main et des\u00a0cr\u00e8mes\u00a0exfoliantes. Les\u00a0produits\u00a0contenant\u00a0du\u00a0poly\u00e9thyl\u00e8ne\u00a0ou\u00a0du\u00a0polypropyl\u00e8ne\u00a0renferment\u00a0habituellement\u00a0des\u00a0microplastiques. Pourquoi\u00a0les\u00a0microplastiques\u00a0pr\u00e9sentent-ils\u00a0un\u00a0probl\u00e8me\u00a0pour les\u00a0\u00e9cosyst\u00e8mes\u00a0marins? Les concentrations de\u00a0microplastiques\u00a0dans\u00a0l\u2019eau\u00a0sont\u00a0tr\u00e8s\u00a0\u00e9lev\u00e9es. Selon\u00a0une\u00a0recherche\u00a0men\u00e9e\u00a0en 2012 par\u00a0Dre. Sherri Mason, de\u00a0l\u2019Univsersit\u00e9\u00a0SUNY-Fredonia, la concentration en\u00a0microplastiques\u00a0enregistr\u00e9e\u00a0dans\u00a0le\u00a0lac\u00a0\u00c9ri\u00e9\u00a0est\u00a0sup\u00e9rieure\u00a0\u00e0\u00a0toute\u00a0autre\u00a0concentration\u00a0observ\u00e9e\u00a0dans\u00a0le\u00a0monde. Elle\u00a0d\u00e9passe\u00a0m\u00eame\u00a0celle\u00a0observ\u00e9e\u00a0dans\u00a0le Vortex de\u00a0d\u00e9chets\u00a0du\u00a0Pacifique\u00a0Nord.\u00a0\u00a0(B) Ils\u00a0ont\u00a0des impacts\u00a0tr\u00e8s\u00a0importants\u00a0sur\u00a0la\u00a0\u00a0\u00a0faune\u00a0et\u00a0sur\u00a0les\u00a0humains: Les\u00a0oiseaux\u00a0et&#8230; <a class=\"read-more\" href=\"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/\">Read More<span class=\"hidden\"> about \u00ab\u00a0Microplastiques\u00a0\u00bb<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1300,"menu_order":60,"comment_status":"open","ping_status":"closed","template":"accordion.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1326","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microplastiques - L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Microplastiques - L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent\" \/>\n<meta property=\"og:description\" content=\"Que\u00a0sont\u00a0les\u00a0microplastiques? Les\u00a0microplastiques\u00a0sont\u00a0des\u00a0particules\u00a0de\u00a0plastique\u00a0de\u00a0moins \u00a0de\u00a05mm\u00a0de\u00a0diam\u00e8tre. Dans les Grands Lacs, les microplastiques proviennent : Des\u00a0morceaux\u00a0de\u00a0plastique\u00a0de plus\u00a0grande\u00a0taille qui sont\u00a0transport\u00e9s\u00a0dans\u00a0les\u00a0rivi\u00e8res,\u00a0sur\u00a0les\u00a0plages\u00a0ou\u00a0dans\u00a0d\u2019autres\u00a0cours\u00a0d\u2019eaux\u00a0et\u00a0sont\u00a0subs\u00e9quemment\u00a0d\u00e9grad\u00e9s\u00a0et\u00a0bris\u00e9s\u00a0en de plus\u00a0petits\u00a0morceaux\u00a0par le vent, le contact\u00a0avec\u00a0l\u2019eau\u00a0ou\u00a0les\u00a0rayons\u00a0UV. Des\u00a0billes\u00a0de\u00a0plastique\u00a0de\u00a0moins\u00a0de\u00a05mm\u00a0de\u00a0diam\u00e8tre produites\u00a0et\u00a0ajout\u00e9es\u00a0\u00e0\u00a0diff\u00e9rents\u00a0produits\u00a0personnels,\u00a0tels\u00a0que\u00a0des\u00a0cr\u00e8mes\u00a0exfoliantes.\u00a0Elles\u00a0sont\u00a0\u00e9vacu\u00e9es\u00a0vers\u00a0les\u00a0\u00e9gouts\u00a0sanitaires\u00a0et ne\u00a0peuvent\u00a0\u00eatre\u00a0capt\u00e9es\u00a0par les\u00a0usines\u00a0de\u00a0traitement\u00a0des\u00a0eaux\u00a0et parviennent\u00a0donc\u00a0dans\u00a0les Grands\u00a0Lacs. Quels\u00a0produits\u00a0contiennent\u00a0des\u00a0microplastiques? Les\u00a0microplastiques\u00a0sont\u00a0utilis\u00e9s\u00a0dans\u00a0plusieurs\u00a0produits\u00a0courants,\u00a0tels\u00a0que\u00a0des\u00a0dentifrices, des\u00a0d\u00e9sodorisants, des\u00a0nettoyants, des\u00a0savons\u00a0\u00e0\u00a0main et des\u00a0cr\u00e8mes\u00a0exfoliantes. Les\u00a0produits\u00a0contenant\u00a0du\u00a0poly\u00e9thyl\u00e8ne\u00a0ou\u00a0du\u00a0polypropyl\u00e8ne\u00a0renferment\u00a0habituellement\u00a0des\u00a0microplastiques. Pourquoi\u00a0les\u00a0microplastiques\u00a0pr\u00e9sentent-ils\u00a0un\u00a0probl\u00e8me\u00a0pour les\u00a0\u00e9cosyst\u00e8mes\u00a0marins? Les concentrations de\u00a0microplastiques\u00a0dans\u00a0l\u2019eau\u00a0sont\u00a0tr\u00e8s\u00a0\u00e9lev\u00e9es. Selon\u00a0une\u00a0recherche\u00a0men\u00e9e\u00a0en 2012 par\u00a0Dre. Sherri Mason, de\u00a0l\u2019Univsersit\u00e9\u00a0SUNY-Fredonia, la concentration en\u00a0microplastiques\u00a0enregistr\u00e9e\u00a0dans\u00a0le\u00a0lac\u00a0\u00c9ri\u00e9\u00a0est\u00a0sup\u00e9rieure\u00a0\u00e0\u00a0toute\u00a0autre\u00a0concentration\u00a0observ\u00e9e\u00a0dans\u00a0le\u00a0monde. Elle\u00a0d\u00e9passe\u00a0m\u00eame\u00a0celle\u00a0observ\u00e9e\u00a0dans\u00a0le Vortex de\u00a0d\u00e9chets\u00a0du\u00a0Pacifique\u00a0Nord.\u00a0\u00a0(B) Ils\u00a0ont\u00a0des impacts\u00a0tr\u00e8s\u00a0importants\u00a0sur\u00a0la\u00a0\u00a0\u00a0faune\u00a0et\u00a0sur\u00a0les\u00a0humains: Les\u00a0oiseaux\u00a0et... Read More about &quot;Microplastiques&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/\" \/>\n<meta property=\"og:site_name\" content=\"L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent\" \/>\n<meta property=\"article:modified_time\" content=\"2019-09-18T19:07:04+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles-400x266.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/microplastiques\\\/\",\"url\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/microplastiques\\\/\",\"name\":\"Microplastiques - L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/glslcities.org\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/microplastiques\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/microplastiques\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/glslcities.org\\\/wp-content\\\/uploads\\\/2015\\\/05\\\/microbilles-400x266.jpg\",\"datePublished\":\"2015-05-22T18:20:11+00:00\",\"dateModified\":\"2019-09-18T19:07:04+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/microplastiques\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/microplastiques\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/microplastiques\\\/#primaryimage\",\"url\":\"http:\\\/\\\/glslcities.org\\\/wp-content\\\/uploads\\\/2015\\\/05\\\/microbilles-400x266.jpg\",\"contentUrl\":\"http:\\\/\\\/glslcities.org\\\/wp-content\\\/uploads\\\/2015\\\/05\\\/microbilles-400x266.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/microplastiques\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Initiatives\",\"item\":\"https:\\\/\\\/glslcities.org\\\/fr\\\/initiatives\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Microplastiques\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/glslcities.org\\\/#website\",\"url\":\"https:\\\/\\\/glslcities.org\\\/\",\"name\":\"L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent\",\"description\":\"Des maires unis pour prot\u00e9ger et restaurer les Grands Lacs et le Saint-Laurent\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/glslcities.org\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Microplastiques - L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent","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:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/","og_locale":"fr_FR","og_type":"article","og_title":"Microplastiques - L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent","og_description":"Que\u00a0sont\u00a0les\u00a0microplastiques? Les\u00a0microplastiques\u00a0sont\u00a0des\u00a0particules\u00a0de\u00a0plastique\u00a0de\u00a0moins \u00a0de\u00a05mm\u00a0de\u00a0diam\u00e8tre. Dans les Grands Lacs, les microplastiques proviennent : Des\u00a0morceaux\u00a0de\u00a0plastique\u00a0de plus\u00a0grande\u00a0taille qui sont\u00a0transport\u00e9s\u00a0dans\u00a0les\u00a0rivi\u00e8res,\u00a0sur\u00a0les\u00a0plages\u00a0ou\u00a0dans\u00a0d\u2019autres\u00a0cours\u00a0d\u2019eaux\u00a0et\u00a0sont\u00a0subs\u00e9quemment\u00a0d\u00e9grad\u00e9s\u00a0et\u00a0bris\u00e9s\u00a0en de plus\u00a0petits\u00a0morceaux\u00a0par le vent, le contact\u00a0avec\u00a0l\u2019eau\u00a0ou\u00a0les\u00a0rayons\u00a0UV. Des\u00a0billes\u00a0de\u00a0plastique\u00a0de\u00a0moins\u00a0de\u00a05mm\u00a0de\u00a0diam\u00e8tre produites\u00a0et\u00a0ajout\u00e9es\u00a0\u00e0\u00a0diff\u00e9rents\u00a0produits\u00a0personnels,\u00a0tels\u00a0que\u00a0des\u00a0cr\u00e8mes\u00a0exfoliantes.\u00a0Elles\u00a0sont\u00a0\u00e9vacu\u00e9es\u00a0vers\u00a0les\u00a0\u00e9gouts\u00a0sanitaires\u00a0et ne\u00a0peuvent\u00a0\u00eatre\u00a0capt\u00e9es\u00a0par les\u00a0usines\u00a0de\u00a0traitement\u00a0des\u00a0eaux\u00a0et parviennent\u00a0donc\u00a0dans\u00a0les Grands\u00a0Lacs. Quels\u00a0produits\u00a0contiennent\u00a0des\u00a0microplastiques? Les\u00a0microplastiques\u00a0sont\u00a0utilis\u00e9s\u00a0dans\u00a0plusieurs\u00a0produits\u00a0courants,\u00a0tels\u00a0que\u00a0des\u00a0dentifrices, des\u00a0d\u00e9sodorisants, des\u00a0nettoyants, des\u00a0savons\u00a0\u00e0\u00a0main et des\u00a0cr\u00e8mes\u00a0exfoliantes. Les\u00a0produits\u00a0contenant\u00a0du\u00a0poly\u00e9thyl\u00e8ne\u00a0ou\u00a0du\u00a0polypropyl\u00e8ne\u00a0renferment\u00a0habituellement\u00a0des\u00a0microplastiques. Pourquoi\u00a0les\u00a0microplastiques\u00a0pr\u00e9sentent-ils\u00a0un\u00a0probl\u00e8me\u00a0pour les\u00a0\u00e9cosyst\u00e8mes\u00a0marins? Les concentrations de\u00a0microplastiques\u00a0dans\u00a0l\u2019eau\u00a0sont\u00a0tr\u00e8s\u00a0\u00e9lev\u00e9es. Selon\u00a0une\u00a0recherche\u00a0men\u00e9e\u00a0en 2012 par\u00a0Dre. Sherri Mason, de\u00a0l\u2019Univsersit\u00e9\u00a0SUNY-Fredonia, la concentration en\u00a0microplastiques\u00a0enregistr\u00e9e\u00a0dans\u00a0le\u00a0lac\u00a0\u00c9ri\u00e9\u00a0est\u00a0sup\u00e9rieure\u00a0\u00e0\u00a0toute\u00a0autre\u00a0concentration\u00a0observ\u00e9e\u00a0dans\u00a0le\u00a0monde. Elle\u00a0d\u00e9passe\u00a0m\u00eame\u00a0celle\u00a0observ\u00e9e\u00a0dans\u00a0le Vortex de\u00a0d\u00e9chets\u00a0du\u00a0Pacifique\u00a0Nord.\u00a0\u00a0(B) Ils\u00a0ont\u00a0des impacts\u00a0tr\u00e8s\u00a0importants\u00a0sur\u00a0la\u00a0\u00a0\u00a0faune\u00a0et\u00a0sur\u00a0les\u00a0humains: Les\u00a0oiseaux\u00a0et... Read More about \"Microplastiques\"","og_url":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/","og_site_name":"L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent","article_modified_time":"2019-09-18T19:07:04+00:00","og_image":[{"url":"http:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles-400x266.jpg","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/","url":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/","name":"Microplastiques - L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent","isPartOf":{"@id":"https:\/\/glslcities.org\/#website"},"primaryImageOfPage":{"@id":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/#primaryimage"},"image":{"@id":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/#primaryimage"},"thumbnailUrl":"http:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles-400x266.jpg","datePublished":"2015-05-22T18:20:11+00:00","dateModified":"2019-09-18T19:07:04+00:00","breadcrumb":{"@id":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/#primaryimage","url":"http:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles-400x266.jpg","contentUrl":"http:\/\/glslcities.org\/wp-content\/uploads\/2015\/05\/microbilles-400x266.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/glslcities.org\/fr\/initiatives\/microplastiques\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/glslcities.org\/fr\/"},{"@type":"ListItem","position":2,"name":"Initiatives","item":"https:\/\/glslcities.org\/fr\/initiatives\/"},{"@type":"ListItem","position":3,"name":"Microplastiques"}]},{"@type":"WebSite","@id":"https:\/\/glslcities.org\/#website","url":"https:\/\/glslcities.org\/","name":"L\u2019Alliance des villes des Grands Lacs et du Saint-Laurent","description":"Des maires unis pour prot\u00e9ger et restaurer les Grands Lacs et le Saint-Laurent","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/glslcities.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/pages\/1326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/comments?post=1326"}],"version-history":[{"count":18,"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/pages\/1326\/revisions"}],"predecessor-version":[{"id":9241,"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/pages\/1326\/revisions\/9241"}],"up":[{"embeddable":true,"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/pages\/1300"}],"wp:attachment":[{"href":"https:\/\/glslcities.org\/fr\/wp-json\/wp\/v2\/media?parent=1326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}