23/07/2025
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Scientists have discovered a remarkable fungus deep in the Amazon rainforest that could help solve one of the world’s most pressing environmental problems: plastic pollution. According to a study by Yale University researchers, the fungus, known as Pestalotiopsis microspora, has the unique ability to break down polyurethane, a common type of plastic used in everything from insulation to footwear.
What makes this discovery especially exciting is that the fungus can survive on plastic as its sole source of carbon, meaning it doesn’t need any other nutrients to grow. Even more impressively, it can do this in oxygen-free environments, such as the deep layers of landfills, where most plastic waste ends up. As it digests the plastic, the fungus converts it into organic compounds that are harmless to the environment, offering a natural and sustainable method of waste breakdown.
According to the researchers, this process is made possible by enzymes produced by the fungus that can cleave the tough chemical bonds in synthetic polymers. The discovery has sparked global interest in the potential of fungi as tools for bioremediation, the process of using living organisms to clean up pollutants. While more research is needed to scale this solution for industrial use, Pestalotiopsis microspora represents a powerful example of how nature might help us undo some of the damage caused by human-made materials.
