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20 resultsShowing papers similar to Potential environmental impacts of bioplastic degradation in natural marine environments: A comprehensive review
ClearSolution or Pollution? A paradigm shifts in understanding the fate and threats of biodegradable plastics in the marine environment
This review challenges the assumption that biodegradable plastics are inherently eco-friendly by examining their degradation behavior in marine environments. Researchers found that biodegradable plastics often require specific conditions to break down and can themselves become sources of microplastic pollution when those conditions are not met. The study highlights a significant research gap in understanding the fate of biodegradable nano- and pico-plastics in marine ecosystems.
Biodegradable plastics in the marine environment: a potential source of risk?
This review examines whether biodegradable plastics offer a genuine solution to marine plastic pollution, finding that their environmental behavior depends heavily on specific conditions and that they may still pose risks in marine environments where decomposition is slow.
A progress update on the biological effects of biodegradable microplastics on soil and ocean environment: A perfect substitute or new threat?
This review examines whether biodegradable plastics, often marketed as eco-friendly alternatives, actually break down safely in the environment. The evidence shows that biodegradable plastics often fragment into microplastics rather than fully decomposing, and these biodegradable microplastics can harm soil organisms, marine life, and disrupt nutrient cycles. The findings suggest that simply switching to biodegradable plastics may not solve the microplastic pollution problem and could introduce new environmental risks.
Evaluation of the degradation from micro to nanoplastics from biodegradable bags in marine conditions
Researchers evaluated how biodegradable plastic bags degrade into micro- and nanoplastics under environmental conditions, comparing them to conventional plastics. The study found that even biodegradable materials generate persistent micro- and nanoplastic particles under real-world conditions.
Compounding one problem with another? A look at biodegradable microplastics
This review examines whether biodegradable plastics truly solve the microplastic problem, finding that many do not fully break down under real-world conditions. Incomplete decomposition of biodegradable plastics can generate micro-sized particles that may be just as harmful as conventional microplastics. The authors warn that marketing plastics as "biodegradable" without ensuring complete breakdown could actually worsen environmental microplastic contamination.
Evaluation of the degradation from micro to nanoplastics from biodegradable bags in marine conditions
Researchers evaluated how biodegradable plastic bags degrade from the micro to nano scale under environmental conditions, testing whether commercial biodegradable plastics fully decompose or generate persistent nanoplastic particles. Results showed biodegradable bags produced nanoplastic particles during degradation, challenging the assumption that biodegradable label guarantees complete environmental breakdown.
A review on fate and ecotoxicity of biodegradable microplastics in aquatic system: Are biodegradable plastics truly safe for the environment?
This review examines whether biodegradable plastics are truly safe for aquatic environments, finding that they can break down into microplastics faster than conventional plastics and cause comparable or even greater harm to algae, invertebrates, and fish. The findings suggest that switching to biodegradable plastics alone will not solve the microplastic pollution problem, and these particles can still enter the human food chain through contaminated seafood.
A review of biodegradation and formation of biodegradable microplastics in soil and freshwater environments
Researchers reviewed how biodegradable plastics break down in soil and freshwater, finding that incomplete degradation by microorganisms can still produce tiny biodegradable microplastic particles that persist in the environment — meaning "biodegradable" doesn't always mean safe or fast-disappearing.
Biodegradable plastics: Green hope or greenwashing?
This review examines biodegradable plastics and their limitations, finding that many do not break down effectively under real-world environmental conditions and may still fragment into microplastics. The authors caution that biodegradable plastics should not be viewed as a simple solution to plastic pollution without better standards and end-of-life infrastructure.
Biodegradable Microplastics: A Review on the Interaction with Pollutants and Influence to Organisms
This review examines the environmental behavior and toxicity of biodegradable microplastics, noting that natural conditions rarely allow complete degradation and that biodegradable plastics may fragment into microplastics more rapidly than conventional plastics. Under some conditions biodegradable microplastics may pose greater risks to organisms than conventional microplastics, particularly in combination with adsorbed pollutants.
Understanding the ecological impacts of biodegradable microplastics
This review synthesizes literature on the ecological impacts of biodegradable microplastics, finding that despite their eco-friendly marketing, most published studies report significant negative effects on plant growth, animal reproduction, microbial diversity, and enrichment of pathogens.
Exploring the hidden environmental pollution of microplastics derived from bioplastics: A review
This review examines the often-overlooked problem that even bioplastics, marketed as eco-friendly alternatives, can break down into micro- and nanoplastics in the environment. Research since 2012 has identified multiple degradation pathways, including UV exposure, mechanical wear, and biodegradation, that fragment bioplastics into tiny particles. The toxicity of these bioplastic-derived microparticles is still poorly understood, highlighting a hidden source of plastic pollution.
The effect of biodegradable plastics on microplastic accumulation and exposure
Researchers developed a comprehensive method to quantify microplastic accumulation from biodegradable polymers in natural environments, examining whether biodegradable alternatives actually reduce plastic loads compared to conventional polymers under real-world outdoor conditions.
A review on the occurrence and influence of biodegradable microplastics in soil ecosystems: Are biodegradable plastics substitute or threat?
This review examines whether biodegradable plastics are a genuine solution to plastic pollution or may create new problems in soil ecosystems. Researchers found that many biodegradable plastics do not fully break down under natural conditions and may actually fragment into microplastics faster than conventional plastics, potentially posing additional threats to soil health.
Sustainable struggling: decoding microplastic released from bioplastics—a critical review
This critical review examines biodegradable plastics as an alternative to conventional plastics, finding that many do not fully degrade under real-world conditions and can fragment into microplastics more rapidly than their conventional counterparts.
Biodegradable microplastics (BMPs): a new cause for concern?
This review examined whether biodegradable microplastics present new environmental hazards, finding that many biodegradable polymers degrade slowly under real environmental conditions and can release toxic additives, and that the assumption of biodegradability does not eliminate microplastic pollution risks unless composting conditions are actively managed.
Bioplastics: Missing link in the era of Microplastics
Researchers examined whether bioplastics, often promoted as eco-friendly alternatives to conventional plastics, also break down into microplastics. They found that polyhydroxyalkanoate bioplastic films formed microplastic particles in water environments similar to conventional plastics. The study highlights that biodegradable plastics may not solve the microplastic problem and calls for more research into how quickly bioplastics actually degrade and what effects their microplastic fragments have on ecosystems.
Bioplastics in the Sea: Rapid In-Vitro Evaluation of Degradability and Persistence at Natural Temperatures
Researchers evaluated the marine degradability of multiple bioplastic materials at natural seawater temperatures, finding that most bioplastics persist in ocean environments rather than degrading quickly, challenging assumptions that bioplastics represent a straightforward solution to marine plastic pollution.
Exploring biopolymer degradation: Environmental effects and future insights
This review examines how biopolymers degrade in the environment and evaluates their potential as sustainable alternatives to conventional plastics. While biopolymers offer environmental benefits like reduced pollution, the study notes challenges including slower-than-expected degradation in natural settings, potential microplastic generation, and the need for better standardized testing and supportive policies.
Biodegradation of macro- and micro-plastics in environment: A review on mechanism, toxicity, and future perspectives.
This review examined mechanisms, toxicology, and future perspectives for biodegradation of macro- and micro-plastics, cataloguing microbial species capable of polymer degradation, discussing enzymatic pathways, and identifying key limitations including slow degradation rates and the need for pretreatment to accelerate breakdown in environmental settings.