Microplastics in soil pose global threat by acting like ‘Trojan horse’ to deliver toxins
Summary
A large European research project found microplastics in the soil of many farms across 11 countries, showing they carry pollutants and harmful bacteria like a "Trojan horse." These plastics can harm soil life, plants, and even spread antibiotic resistance, posing a threat to healthy soils worldwide.Key Facts
- Microplastics were found in all 227 tested farm fields across 11 European countries.
- These tiny plastics carry pollutants, pesticides, bacteria, and antibiotic-resistant genes through soil.
- Microplastics create a habitat called the "plastisphere" that helps harmful microbes and chemicals interact.
- Higher microplastic levels link to more toxic chemicals and metals, especially from tire wear particles.
- Microplastics can harm earthworms and other soil organisms critical for healthy soil.
- Plant growth suffers with more microplastics, especially under drought conditions.
- Biodegradable plastics can still break down into microplastics and cause damage.
- Researchers call for better monitoring, transparency from plastic makers, and new policies to protect soil.
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