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61,005 resultsShowing papers similar to A progress update on the biological effects of biodegradable microplastics on soil and ocean environment: A perfect substitute or new threat?
ClearA 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.
Unravelling the ecological ramifications of biodegradable microplastics in soil environment: A systematic review
Researchers reviewed 85 studies on biodegradable microplastics in soil, finding that when biodegradable plastics fail to fully break down they can disrupt soil structure, nutrient cycling, and microbial life in ways that depend heavily on concentration and plastic type. The review highlights that "biodegradable" plastics are not a simple fix for microplastic pollution in agricultural soils.
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.
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 the occurrence and degradation of biodegradable microplastics in soil environments
This review evaluates whether the shift from conventional plastics to biodegradable plastics is truly beneficial for the environment, particularly regarding microplastic formation in soils. Researchers found that biodegradable plastics actually form residual microplastics at a faster rate than conventional plastics, and these particles can negatively affect soil properties, microbial communities, and plant growth. The study suggests the environmental trade-offs of biodegradable plastics deserve closer scrutiny.
Solution 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 soils: sources, degradation, and effects
This review examines whether biodegradable plastics are truly a safe alternative to conventional plastics in soil. While they do break down faster, the degradation process releases microplastics and potentially toxic byproducts that can harm soil organisms, reduce plant growth, and disrupt the microbial communities that maintain soil health.
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.
Potential environmental impacts of bioplastic degradation in natural marine environments: A comprehensive review
This review examines the environmental impacts of biodegradable plastics degrading in marine environments, finding that their microscale breakdown raises significant concerns about contributing to microplastic pollution rather than eliminating it. The authors conclude that biodegradable plastics require reevaluation as petroleum-based plastic substitutes given the incomplete understanding of their behavior at the microscale 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.
Biodegradable Polyesters in Soil - Real Environmental Hazard or Just a Storm in a Teacup?
This review critically examines whether biodegradable polyesters genuinely degrade in soil environments, finding that under field conditions many degrade slowly and incompletely, forming persistent microplastic particles ('microbioplastics') with largely unknown ecological consequences.
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 plastics in the air and soil environment: Low degradation rate and high microplastics formation
Researchers compared the degradation rates of various biodegradable plastic types in natural air and soil environments over time, finding that most degraded slowly under ambient conditions and generated substantial microplastic fragments, with non-certified biodegradable plastics showing essentially no degradation.
Biodegradable plastics: mechanisms of degradation and generated bio microplastic impact on soil health
This review explains how biodegradable plastics break down through mechanical, thermal, light, and microbial processes, but warns that they still produce tiny fragments called bio-microplastics during degradation. These bio-microplastic fragments can affect soil health in both positive and negative ways, meaning that switching to biodegradable plastics does not fully eliminate the microplastic problem.
Ecotoxicity of Biodegradable Microplastics and Bio-based Microplastics: A Review of in vitro and in vivo Studies
This review examines whether "eco-friendly" biodegradable and bio-based plastics are truly safer than conventional plastics when they break down into microplastics. The findings show that many biodegradable plastics, including popular types like PLA and PBAT, can still cause harm to plants and aquatic organisms, suggesting that simply switching to biodegradable materials does not eliminate microplastic risks.
A state-of-the-art review of environmental behavior and potential risks of biodegradable microplastics in soil ecosystems: Comparison with conventional microplastics
This review compares the environmental behavior and risks of biodegradable microplastics with conventional microplastics in soil ecosystems. Researchers found that biodegradable microplastics fragment more readily and their abundant functional groups significantly affect how they transport and interact with other contaminants like heavy metals. The study suggests that biodegradable plastics may pose distinct and potentially underestimated risks to soil health compared to 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.
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.
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.
Degradation efficiency of biodegradable plastics in subtropical open-air and marine environments: Implications for plastic pollution
Researchers tested several types of biodegradable plastics in real outdoor and ocean environments in Hong Kong and found that most failed to break down significantly over the study period. This means biodegradable plastics marketed as eco-friendly alternatives can still fragment into microplastics that persist in the environment and potentially enter the food chain, posing similar risks to conventional plastics.
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.
Bioplastics and the environment: Solution or Green Illusion?
This review critically evaluates whether bioplastics are genuinely environmentally friendly alternatives to conventional plastics, finding that many bioplastics degrade incompletely under real-world conditions, form persistent microplastic fragments, and may pose ecological risks comparable to conventional plastics.
[Degradation Processes of Biodegradable Plastics in Soil and Their Effects on Soil Animals].
Researchers reviewed the three-phase degradation process of biodegradable plastics in soil—biodeterioration, bio-depolymerization, and bioassimilation—and assessed how the resulting fragments and additives affect soil animals. They found that degradation byproducts and residual microplastics from biodegradable plastics can harm soil invertebrates, with effects depending on polymer type and soil conditions.
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.