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Climate-mediated food safety hazards of aquaculture
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This review pulls together existing research showing that climate change—through warmer waters, changing salinity, and extreme weather—is making farmed seafood riskier by boosting harmful bacteria, algae toxins, heavy metals, and microplastics. That matters because much of the world relies on farmed fish and shellfish for protein, and these contaminants can end up on your plate, potentially causing illness or long-term health issues. The researchers call for better monitoring and updated farming practices to keep seafood safe as the climate continues to change.
Abstract Aquaculture has rapidly expanded as a critical source of global food production, contributing significantly to nutrition and livelihoods. However, climate change poses substantial challenges to aquaculture, particularly in terms of food safety. This review synthesizes the literature on the impact of climate-mediated environmental changes on food safety hazards in aquaculture, focusing on biological and chemical contaminants. Rising temperatures, altered salinity, and extreme weather are amplifying the proliferation of pathogens such as Vibrio spp ., algal biotoxins, and chemical pollutants like heavy metals and microplastics. These changes jeopardize the safety and sustainability of aquaculture products, especially in climate-vulnerable regions. Our findings highlight the urgent need for adaptive strategies to mitigate these risks, including enhanced monitoring, climate-smart aquaculture practices, and regulatory interventions. By examining the intricate relationship between climate change and food safety, this review calls for a comprehensive approach to safeguard human health and ecosystem resilience, ensuring that aquaculture can meet the demands of a growing global population.
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Researchers reviewed how microplastics and toxic chemicals contaminate aquaculture ecosystems — the fish farms that feed hundreds of millions of people — and found that the growing threat of climate change is making contamination worse by altering how pollutants move and accumulate in aquatic food. The review calls for better quantification of aquaculture's role in both generating and absorbing plastic pollution to protect global food safety.
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Climate Change and Its Influence on Food Contaminant Patterns
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This chapter examines how climate change alters the distribution, behaviour, and risks of food contaminants including microplastics, mycotoxins, and heavy metals. Rising temperatures, extreme weather, and sea-level rise are shown to increase contaminant bioavailability and create new exposure pathways in global food systems.
Risks Associated with Dietary Exposure to Contaminants from Foods Obtained from Marine and Fresh Water, Including Aquaculture
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This review examines the risks of dietary exposure to contaminants from aquatic foods including fish, shellfish, and microalgae, covering persistent organic pollutants, heavy metals, PFAS, and microplastics. Researchers note that while aquaculture helps address overfishing, both wild and farmed aquatic food systems face contamination from agricultural runoff, industrial discharges, and domestic effluents. The study highlights the need for robust monitoring to protect food safety as aquatic food production continues to expand.
Entangled stressors: a review on the interactions between microplastics and climate change in aquatic ecosystems
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This review pulls together existing research showing that climate change is making microplastic pollution in lakes, rivers, and oceans worse—warmer water speeds up the release of harmful chemicals from plastics and makes fish and other wildlife more likely to accidentally eat them. Since these microplastics and their chemicals can move up the food chain into the seafood we eat, this double threat matters for human health too, though scientists say more research is needed to understand the long-term risks and find solutions.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.