{
  "id": 6756897,
  "title": "Scientists develop a plastic that can be turned into fertilizer",
  "url": "https://urgent.news/2026/09/11/scientists-develop-a-plastic-that-can-be-turned-into-fertilizer",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-11T12:00:14.000Z",
  "source": {
    "name": "Anthropocene Magazine",
    "slug": "anthropocene-magazine",
    "url": "https://www.anthropocenemagazine.org/2026/09/242591/"
  },
  "original_language": "en",
  "account": "Microplastics pose a significant threat to the environment, contaminating soils and entering the food chain, which reduces crop yields and endangers human well-being. However, researchers are exploring ways to repurpose discarded plastics to benefit agriculture instead. A new study published August 18 in Scientific Reports describes a promising development in this field. Engineers have devised a method to transform plant-based polymers into fertilizers, potentially offering a sustainable solution to the plastic waste crisis.\n\nThe polymers under investigation are not biodegradable, meaning they won't break down naturally. Instead, when discarded, they can be chemically converted back into fertilizers, closing the loop and reducing landfill waste. Previous efforts in this area have produced isosorbide-based plastics that could be recycled into fertilizers, but these materials were often too rigid and brittle for practical use.\n\nScientists tackled this issue by creating a modified version of isosorbide that acts as a softening agent, making the plastics more flexible and stretchy. This modification allowed them to develop bioplastics with improved mechanical properties, making them suitable for a variety of applications, such as shopping bags or fidget toys. These plastics are not biodegradable, so they must be recycled rather than discarded in landfills.\n\nWhen recycled, the plastics undergo a transformation using ammonia, which releases the original isosorbide building blocks as well as urea, a component commonly used for industrial nitrogen fertilizers. The resulting mixture enhances the growth of plants like Arabidopsis thaliana, a mustard plant, by five times, and Japanese mustard spinach (komatsu) by two and a half times compared to using no fertilizer at all. In experiments with Arabidopsis thaliana, the recycled mixture also boosted growth by approximately 1.3 times compared to conventional urea fertilizer.\n\nWhile these findings show great potential, further research is needed to determine the full scope of this technology. The study authors suggest conducting a lifecycle analysis to assess the environmental impact of these plastics, including water usage, energy consumption, and greenhouse gas emissions, in comparison to traditional plastics and fertilizers. Additionally, they must address concerns about microplastic pollution from these bioplastics and demonstrate that the fertilizers derived from them do not contribute to this issue. Nonetheless, this innovative approach offers a novel solution to both plastic waste and the need for sustainable agricultural practices.",
  "summary": "Researchers say a modified plant-derived polymer offers a possible alternative to conventional plastics—one designed to end its life as crop fertilizer, not landfill waste.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}