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Triple threat: a review on nanoplastic ecotoxicity, pollutant co-exposures, and climate change in freshwater organisms
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Researchers reviewed nanoplastic ecotoxicity in freshwater organisms under realistic co-exposure scenarios with metals, pesticides, and climate change stressors, finding that synergistic toxicity was especially common — often driven by nanoplastics acting as Trojan horse vectors — and that rising temperatures generally amplified nanoplastic harm across fish and invertebrate taxa.
fish, respectively. Metals and pesticides were the most frequently studied co-stressors. Synergistic interactions emerged as particularly relevant, often linked to NP acting as pollutant vectors through Trojan horse-derived mechanism. Regarding CC, rising temperature was the most assessed variable, generally enhancing NP toxicity in freshwater organisms. Our findings highlight the complexity of realistic co-exposure scenarios and emphasize the need for ecotoxicological studies that address multiple stressors in a changing world.
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Aquatic nanopollution: Ecotoxicological mechanisms, multilevel environmental interactions
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Tiny particles from nanotechnology and plastic breakdown (called nanoplastics) are building up in rivers, lakes, and oceans, and this review pulls together existing research on how they change over time and harm aquatic life—from stressing cells to disrupting hormones and even passing effects to offspring. It also shows that climate change (like warming and ocean acidification) can make these pollutants more dangerous, which matters for humans since these particles can move up the food chain from fish and shellfish to our dinner plates. While this paper focuses on ecosystems rather than direct human studies, it highlights how little we still know about combined risks—
Biological Responses to Climate Change and Nanoplastics Are Altered in Concert: Full-Factor Screening Reveals Effects of Multiple Stressors on Primary Producers
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Using high-throughput screening of a freshwater green alga, researchers tested how nanoplastics interact with multiple climate change stressors (temperature, CO2, pH, UV), finding that nanoplastics combined with warming or UV caused greater harm than either alone, and that climate change will likely amplify nanoplastic toxicity.
Meta-analysis reveals temperature increase exacerbates microplastic toxicity in freshwater invertebrates
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This meta-analysis pools data from multiple studies to show that rising temperatures make microplastics more toxic to freshwater invertebrates. The combined stress of warming water and plastic pollution caused greater harm to growth, reproduction, and survival than either stressor alone, suggesting that climate change will worsen the ecological and health impacts of microplastic contamination.
Single and combined effects of gold nanoparticles and microplastics on juveniles of the marine fish Pomatoschistus microps, and modulation by temperature
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Researchers exposed juvenile marine fish (Pomatoschistus microps) to gold nanoparticles, microplastics, or both simultaneously to understand their individual and combined toxic effects, and how rising water temperatures change those effects. This research helps clarify whether microplastics and other pollutants interact to cause greater harm to marine life under climate change conditions.
Micro- and nanoplastics effects in a multiple stressed marine environment
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Researchers examined how micro- and nanoplastics interact with other environmental stressors in marine settings, finding that realistic multi-stressor scenarios can amplify or modify plastic toxicity in ways single-exposure studies miss.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.