{"id":1250,"date":"2025-08-01T12:01:21","date_gmt":"2025-08-01T10:01:21","guid":{"rendered":"https:\/\/one-science.en-preprod.com\/plastic-pollution-in-freshwater-understand-and-act\/"},"modified":"2025-09-26T12:03:26","modified_gmt":"2025-09-26T10:03:26","slug":"plastic-pollution-in-freshwater-understand-and-act","status":"publish","type":"post","link":"https:\/\/one-science.en-preprod.com\/en\/plastic-pollution-in-freshwater-understand-and-act\/","title":{"rendered":"Plastic pollution in freshwater: understand and act"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">An often forgotten scourge: plastic pollution in rivers<\/h2>\n\n<p class=\"wp-block-paragraph\">When we think of plastic pollution, we often think of the oceans. Yet <strong>plastic pollution in freshwater<\/strong> begins long before, in rivers, lakes and canals. These environments serve as vectors and storage areas for plastics, long before they reach the sea.  <\/p>\n\n<p class=\"wp-block-paragraph\">According to the United Nations Environment Programme, over <strong>9 million tonnes of plastic<\/strong> are dumped into aquatic environments every year. Much of this goes into freshwater, where it causes damage that is still largely underestimated. <\/p>\n\n<h2 class=\"wp-block-heading\">Persistent, ubiquitous plastic pollution<\/h2>\n\n<p class=\"wp-block-paragraph\">Plastics found in freshwater environments come from a variety of sources:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Poorly collected municipal waste<\/li>\n\n\n\n<li>Agricultural runoff<\/li>\n\n\n\n<li>Textile microfibers<\/li>\n\n\n\n<li>Industrial waste<\/li>\n\n\n\n<li>Used tires and cosmetics<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Once in the water, this waste breaks down into <strong>microplastics (&lt;<\/strong> 5 <strong>mm)<\/strong> and <strong>nanoplastics<\/strong>, invisible to the naked eye. These particles pollute watercourses over the long term, affecting fauna, flora and water quality. <\/p>\n\n<h2 class=\"wp-block-heading\">Freshwater ecosystems heavily impacted<\/h2>\n\n<p class=\"wp-block-paragraph\">Rivers, wetlands, ponds and streams are among the richest ecosystems&#8230; and the most vulnerable. The effects of <strong>plastic pollution in freshwater<\/strong> are manifold: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Obstruction<\/strong> of the digestive system of fish and birds<\/li>\n\n\n\n<li><strong>Chemical toxicity<\/strong> due to plastic additives (phthalates, bisphenol A&#8230;)<\/li>\n\n\n\n<li><strong>Bioaccumulation<\/strong> in the food chain<\/li>\n\n\n\n<li><strong>Alteration of<\/strong> natural cycles (decomposition, oxygenation, etc.)<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">These impacts threaten not only biodiversity, but also human health through the consumption of contaminated water and fish.<\/p>\n\n<h2 class=\"wp-block-heading\">Cutting-edge technology to track plastics<\/h2>\n\n<p class=\"wp-block-paragraph\">Studying plastic pollution in freshwater is a challenge, because it is so diffuse and microscopic. Scientists are developing increasingly sophisticated tools: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Fine-mesh <strong>nets and pumps<\/strong> for collecting microplastics<\/li>\n\n\n\n<li><strong>Infrared spectroscopy<\/strong> to identify plastic types<\/li>\n\n\n\n<li><strong>Imaging coupled with AI<\/strong> to differentiate particles<\/li>\n\n\n\n<li><strong>Environmental DNA (eDNA)<\/strong> to measure impact on biodiversity<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">These innovations make it possible to map pollution, identify sources, and test concrete solutions such as filters, booms or alternative materials.<\/p>\n\n<h2 class=\"wp-block-heading\">Rivers and watersheds: at the heart of solutions<\/h2>\n\n<p class=\"wp-block-paragraph\">To effectively combat plastic pollution in freshwater, we need to adopt a systemic vision. Rivers are more than just canals: they are <strong>actors in the ecological transition<\/strong>. <\/p>\n\n<p class=\"wp-block-paragraph\">This implies :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>A <strong>global approach to the watershed<\/strong><\/li>\n\n\n\n<li>Cooperation between disciplines: ecology, hydrology, chemistry, social sciences<\/li>\n\n\n\n<li><strong>Reducing<\/strong> plastics <strong>at source<\/strong> <\/li>\n\n\n\n<li>A transformation in consumer behavior and public policy<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Understanding for action: towards sustainable management of plastic pollution<\/h2>\n\n<p class=\"wp-block-paragraph\">The fight against <strong>plastic pollution in freshwater<\/strong> requires a better understanding of these phenomena. It is in these close, concrete and measurable environments that sustainable solutions can emerge. <\/p>\n\n<p class=\"wp-block-paragraph\">Research plays a central role in :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Identifying areas at risk<\/li>\n\n\n\n<li>Warning of invisible dangers<\/li>\n\n\n\n<li>Developing prevention and remediation tools<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Restoring rivers, protecting our future<\/h2>\n\n<p class=\"wp-block-paragraph\">Taking action against <strong>plastic pollution in freshwater<\/strong> protects not only ecosystems, but also our water resources, our health and our future. By rethinking our relationship with plastic and water, we can reverse the trend. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Plastic pollution in freshwater poses a serious threat to rivers and lakes. Find out about its impact on biodiversity, scientific solutions and why local action is crucial. <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-1250","post","type-post","status-publish","format-standard","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Plastic pollution in freshwater: understand and act - Fondation One Science Montpellier<\/title>\n<meta name=\"description\" content=\"Plastic pollution in freshwater poses a serious threat to rivers and lakes. 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