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Marine & Wildlife
30,770 resultsGlobal distribution characteristics and ecological risk assessment of microplastics in aquatic organisms based on meta-analysis
This meta-analysis assessed the global distribution of microplastics in aquatic organisms across multiple trophic levels, finding that biological characteristics like body size and feeding strategy significantly influence microplastic ingestion rates. The study provides a framework for ecological risk assessment and proposes strategies to reduce microplastic input into water bodies.
A global estimate of multiecosystem photosynthesis losses under microplastic pollution
This meta-analysis pooled data from over 3,200 measurements and found that microplastic pollution reduces photosynthesis by 7–12% in plants and algae worldwide. This matters because less photosynthesis means lower crop yields and disrupted ecosystems, which can ultimately affect food security and human nutrition.
Birds as Bioindicators: Revealing the Widespread Impact of Microplastics
This systematic review found microplastics in over 200 bird species across the globe, from Antarctica to South Europe. Birds can suffer gut damage, oxidative stress, and toxic chemical buildup from ingesting plastics — a warning sign for broader ecosystem and food chain contamination that could affect humans too.
The neurotoxic threat of micro- and nanoplastics: evidence from In Vitro and In Vivo models
This systematic review examined 26 studies showing that micro- and nanoplastics can cross into the brain, damage neurons, and trigger inflammation in lab and animal models. These findings raise concerns that long-term plastic exposure could contribute to neurological problems in humans, though more research is needed.
Machine Learning Advancements and Strategies in Microplastic and Nanoplastic Detection
This systematic review looks at how machine learning is improving our ability to detect tiny microplastics and nanoplastics in the environment. Better detection methods matter because accurately measuring plastic contamination is the first step toward understanding — and reducing — human exposure.
Micro/nanoplastics pollution poses a potential threat to soil health
This large meta-analysis of over 5,000 observations found that micro- and nanoplastics in soil harm crop growth, soil organisms, and microbial communities while increasing greenhouse gas emissions. The findings suggest that plastic pollution poses a broad threat to soil health, which could ultimately affect food production and human well-being.
Meta-analysis of the effects of microplastic on fish: Insights into growth, survival, reproduction, oxidative stress, and gut microbiota diversity
A meta-analysis of 3,757 biological endpoints from 85 studies found that microplastic exposure significantly inhibits fish growth, survival, and reproduction while increasing oxidative damage, but does not significantly alter gut microbiota diversity. The severity of toxic effects depends on microplastic type, size, concentration, exposure pathway, and the fish's life stage.
Do Added Microplastics, Native Soil Properties, and Prevailing Climatic Conditions Have Consequences for Carbon and Nitrogen Contents in Soil? A Global Data Synthesis of Pot and Greenhouse Studies
This meta-analysis examined how microplastics affect carbon and nitrogen levels in soil, which are key to soil fertility. The results show that certain types of plastics — especially smaller, fiber-shaped particles — can significantly alter soil chemistry, potentially affecting crop growth and soil health.
A Systematic Review on Microplastic Contamination in Fishes of Asia: Polymeric Risk Assessment and Future Prospectives
This systematic review found widespread microplastic contamination in freshwater and saltwater fish across Asia, with polyethylene and polypropylene being the most common plastic types. Since fish is a major protein source for billions of people, this contamination represents a direct pathway for microplastics to enter the human diet.
Microplastics may increase the environmental risks of Cd via promoting Cd uptake by plants: A meta-analysis
This meta-analysis found that microplastics in soil can increase how much cadmium (a toxic heavy metal) plants absorb. This is concerning because it means microplastic pollution could make our food crops more contaminated with heavy metals, adding another health risk on top of the plastics themselves.
Microplastics in terrestrial ecosystems: sources, transport, fate, mitigation, and remediation strategies
This review examines how microplastics from urban, agricultural, and industrial sources are building up in soils worldwide. Wind, water, and soil organisms transport these particles across landscapes, where they persist and can affect soil structure and the health of living things. The authors highlight that land-based microplastic pollution has received far less attention than ocean pollution, despite its potential risks to ecosystems and human health through the food chain.
A Review of Sources, Hazards, and Removal Methods of Microplastics in the Environment
This systematic review provides a comprehensive look at where microplastics come from, what risks they pose, and how they can be removed from the environment. The review covers contamination in air, water, and soil, noting that microplastics can carry toxic chemicals and harm both ecosystems and human health.
Microplastics in Our Waters: Insights from a Configurative Systematic Review of Water Bodies and Drinking Water Sources
This systematic review mapped microplastic contamination across rivers, lakes, seas, tap water, and bottled water worldwide. The findings show that microplastics are present in virtually every water source we rely on, with rivers being the most studied and polyethylene being the most commonly found plastic type.
The micro(nano)plastics perspective: exploring cancer development and therapy
This review explores the emerging link between microplastics and cancer development. Microplastics can trigger chronic inflammation, oxidative stress, and hormone disruption, all of which are known pathways that may promote cancer growth. Interestingly, researchers are also studying whether engineered microplastics could be used as drug carriers for cancer therapy, though long-term effects remain unclear.
Challenges in safe environmental applications of biochar: identifying risks and unintended consequence
This review examines the overlooked risks of biochar, a charcoal-like material often added to soil for environmental benefits. When biochar breaks down, it can release pollutants including microplastics, heavy metals, and other harmful chemicals into the environment. The authors stress that the environmental and health risks of biochar need careful evaluation before it is widely used in agriculture and land management.
Nanoplastic concentrations across the North Atlantic
Scientists measured nanoplastics (plastic particles smaller than a micrometer) across the entire North Atlantic Ocean for the first time. They found these tiny particles throughout the water column, with estimated amounts in the surface layer alone potentially reaching 27 million tonnes. This mass rivals or exceeds previous estimates for all larger plastics in the entire Atlantic, showing that nanoplastic pollution is far more extensive than previously thought.
The distribution of subsurface microplastics in the ocean
This study combined data from nearly 2,000 ocean sampling stations to map how microplastics are distributed at different depths. Smaller microplastics spread more evenly through the water column, while larger ones tend to concentrate near the surface. At deep ocean depths, microplastics make up an increasing share of total organic particles, suggesting they are becoming a significant part of the deep ocean environment.
Global meta-analysis reveals differential effects of microplastics on soil ecosystem
This meta-analysis pooled data from 114 studies to understand how microplastics affect soil ecosystems at different concentrations. Higher microplastic levels reduced soil organic matter and microbial activity, suggesting that increasing plastic pollution could degrade the soil that supports our food supply.
Systematic Review of Contaminants of Emerging Concern (CECs): Distribution, Risks, and Implications for Water Quality and Health
This systematic review summarizes research on contaminants of emerging concern, including microplastics, pharmaceuticals, and industrial chemicals found in water sources. The findings highlight that these pollutants pose real risks to both ecosystems and human health, and that current water treatment methods may not fully remove them.
Adsorption of Emerging Contaminants on Microplastics in the Environment: A Systematic Review
This systematic review found that microplastics can absorb and carry other harmful chemicals — like pesticides, pharmaceuticals, and heavy metals — through the environment. This "hitchhiker effect" means microplastics may deliver concentrated doses of toxic substances to organisms and potentially to humans.
A systematic review of microplastics emissions in kitchens: Understanding the links with diseases in daily life
This systematic review examines how everyday kitchen items like non-stick pans, plastic cutting boards, and disposable utensils release microplastics into our food during normal use. The researchers found that kitchens are a major source of microplastic exposure and propose practical steps to reduce contamination, which could help lower the health risks tied to ingesting these tiny particles.
Biodegradation of Typical Plastics: From Microbial Diversity to Metabolic Mechanisms
This review examines how marine microorganisms, including bacteria and fungi, can naturally break down common plastics like PET, polystyrene, and polyethylene. Marine microbes may be better adapted than land-based organisms for this task because they already thrive in harsh conditions, offering a potential environmentally friendly approach to addressing ocean plastic pollution.
Photo-oxidation of Micro- and Nanoplastics: Physical, Chemical, and Biological Effects in Environments
This review examines how sunlight breaks down micro- and nanoplastics in the environment, changing their surface properties and making them interact differently with pollutants and living organisms. Sun-aged plastic particles can become more toxic to aquatic life and affect soil microbe communities, but many questions remain about these processes under real-world conditions.
Recent Advances in the Remediation of Textile-Dye-Containing Wastewater: Prioritizing Human Health and Sustainable Wastewater Treatment
This review examines how the textile industry is a major source of wastewater containing harmful dyes and chemicals that threaten water quality and human health. It evaluates sustainable treatment approaches including bio-adsorbents, membrane technology, and advanced oxidation processes for cleaning textile wastewater and recovering useful materials.