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61,005 resultsShowing papers similar to Recent status of water quality in Bangladesh: A systematic review, meta-analysis and health risk assessment
ClearUnveiling the microplastic crisis: Insights into Bangladesh's aquatic ecosystems - origins, impact, and solutions
This review examines the growing microplastic crisis in Bangladesh's rivers, estuaries, and coastal waters, finding that the country's rapid urbanization and limited waste management have led to widespread contamination. Microplastics were documented in water, sediment, and fish across multiple Bangladeshi water systems. Since over 160 million people in Bangladesh depend on these water resources for drinking, farming, and fishing, the contamination poses a significant public health concern.
An overview of the occurrence and distribution of microplastics in multi-environmental components of Bangladesh
Researchers compiled and analyzed studies on microplastic pollution across multiple environments in Bangladesh, including water, soil, air, and food. They found that microplastic contamination is widespread throughout the country but that significant knowledge gaps remain, particularly regarding long-term health and environmental impacts. The study calls for standardized monitoring methods and stronger policies to address plastic pollution in one of the world's most densely populated nations.
Presence of Microplastics and Organic Pollutants in Bangladesh's Freshwater Environment: A Review
This review examines microplastic and organic pollutant contamination in Bangladesh's freshwater environments, highlighting that microplastics act as vectors carrying other toxic substances into aquatic food webs. Given the heavy reliance on freshwater resources in Bangladesh, this dual contamination threat poses serious risks to both ecosystem health and human food safety.
Microplastic Pollution in Bangladesh: A Review of Ecological and Biochemical Impacts
This review summarized the current state of microplastic pollution in Bangladesh, covering occurrence across water, soil, seafood, and air, as well as documented ecological and biochemical health impacts. The authors identify Bangladesh's rapid urbanization and poor waste management as key drivers of its disproportionate microplastic burden.
Occurrences, sources, fate and impacts of plastic on aquatic organisms and human health in global perspectives: What Bangladesh can do in future?
This review provides a comprehensive overview of plastic and microplastic pollution in aquatic environments globally, with a specific focus on the situation in Bangladesh. Researchers compiled evidence on the sources, fate, and biological impacts of plastic pollution on aquatic organisms ranging from plankton to fish, as well as potential human health risks. The study concludes with recommendations for waste management strategies and future research priorities tailored to Bangladesh's specific environmental and economic challenges.
Microplastics pollution in Bangladesh: current scenario and future research perspective
Microplastics have been found throughout Bangladesh's aquatic and terrestrial environments, where they threaten biodiversity and enter the food chain. This review synthesizes the available evidence and calls for stronger national monitoring programs and policies given Bangladesh's vulnerability to plastic pollution from its dense population and major rivers.
Impact of landfill leachate contamination on surface and groundwater of Bangladesh: a systematic review and possible public health risks assessment
This systematic review assessed the impact of landfill leachate on surface and groundwater quality in Bangladesh, identifying significant contamination risks to public health from heavy metals and organic pollutants leaching from waste disposal sites into water supplies. Landfills are also major sources of microplastic leachate, as plastic waste breaks down and releases micro- and nanoplastic particles that contaminate surrounding groundwater and surface water systems.
Microplastics in surface water from a mighty subtropical estuary: First observations on occurrence, characterization, and contamination assessment
Researchers documented the first observations of microplastic contamination in surface waters of the Meghna estuary in Bangladesh, finding widespread pollution that poses risks to this ecologically and economically critical subtropical ecosystem.
Microplastics pollution in aquatic ecosystems of Bangladesh — A critical review on research trends and future perspectives
This review found widespread microplastic contamination across all aquatic compartments in Bangladesh, with average concentrations of 4.92 particles/L in water and 118.40 particles/kg in sediment. Polyethylene, polypropylene, and polystyrene fibers and fragments predominated, with freshwater fish accumulating the most microplastics per organism.
Health Risks Associated With Sources of Water: An Exploratory Study From Turag-Tongi Riparian Areas, Bangladesh
This paper is not about microplastics; it is a household survey examining drinking-water sources and disease occurrence in riparian communities along the Turag River in Bangladesh.
Microplastics and heavy metals in freshwater fish species in the southwestern region of Bangladesh: An emerging concern for public health
Researchers examined seventeen freshwater fish species from Bangladesh and found microplastics in all of them — mostly tiny fibers under 1mm made of polyethylene — alongside concerning levels of heavy metals including chromium and lead. While microplastic-linked health risks were low to moderate, the heavy metal contamination posed elevated cancer risks for people who regularly eat these fish.
Heavy Metals and Microplastics as Emerging Contaminants in Bangladesh’s River Systems: Evidence from Urban–Industrial Corridors
This review examines heavy metal and microplastic contamination in two major rivers in Bangladesh that run through heavily industrialized areas. Extremely high levels of toxic metals like chromium, lead, and cadmium were found alongside widespread microplastic pollution, mostly from textile and leather factories. The contamination poses serious health risks to the millions of people who rely on these rivers for drinking water, fishing, and daily life.
A Study of Microplastics in the Freshwater Systems around Dhaka
Researchers quantified and characterised microplastic contamination in surface water and sediments of rivers around Dhaka, Bangladesh using NOAA-recommended methods, finding the highest pollution in the Buriganga River at 3.65 items per litre in surface water and 43.1 items per kilogram in sediment.
Microplastics contamination in freshwater and marine ecosystems, its impacts, and sustainable mitigation pathways in Bangladesh: a systematic review
This systematic review synthesizes 50 studies on microplastic contamination across Bangladesh, finding widespread pollution in water, seafood, fertilizers, and even table salt. The research highlights that tea bags in the country contain among the highest microplastic levels measured, and that people face significant exposure through their daily diet.
Plastic pollution in Bangladesh: A review on current status emphasizing the impacts on environment and public health
This review assessed plastic pollution in Bangladesh — including its magnitude, sources, and health and environmental consequences — and found that microplastic contamination is widespread but poorly monitored, with limited national policy response relative to the scale of the problem.
Water Quality Assessment and Monitoring in Pakistan: A Comprehensive Review
This comprehensive review examines water quality issues across Pakistan, including contamination from industrial discharge, agricultural runoff, and emerging pollutants like microplastics. The review found that water treatment infrastructure in many areas is inadequate, leaving large populations exposed to contaminated water. While focused on Pakistan, the findings illustrate how developing countries face compounding water quality challenges that include growing microplastic pollution.
Microplastic accumulation, morpho-polymer characterization, and dietary exposure in urban tap water of a developing nation
Researchers analyzed tap water from four major cities in Bangladesh and found microplastics in every sample, with an average of about 35 particles per liter, higher than most other countries studied. The vast majority were tiny fibers less than 0.5 mm, primarily made of polyethylene. The estimated daily intake of about 2.65 microplastic particles per person through tap water alone highlights how people in developing nations may face disproportionate microplastic exposure through their drinking water.
Extent and distribution of microplastic contamination in the benthic sediment of Turag river in Bangladesh
Researchers quantified microplastic contamination in benthic sediments of the Turag River in Bangladesh, finding widespread microplastic accumulation that poses threats to benthic communities and highlights a significant knowledge gap in freshwater sediment microplastic studies.
Assessment of microplastics pollution in aquatic species (fish, crab, and snail), water, and sediment from the Buriganga River, Bangladesh: An ecological risk appraisals
Researchers assessed microplastic pollution across water, sediment, fish, crab, and snail from Bangladesh's Buriganga River, finding widespread contamination with fibers and fragments along with elevated heavy metal concentrations on microplastic surfaces.
Aqua Drugs, Antibiotics and Chemicals Used in Freshwater Aquaculture in Northern Bangladesh: A Survey
A survey of freshwater aquaculture operations in northern Bangladesh documented widespread use of antibiotics and other chemicals for disease management, raising concerns about antibiotic resistance and environmental contamination. The findings highlight a lack of regulation and oversight of drug use in small-scale aquaculture that could accelerate antimicrobial resistance.
Quantification, characterization and risk assessment of microplastics from five major estuaries along the northern Bay of Bengal coast
Researchers measured microplastic pollution in five major estuaries along the Bay of Bengal coast in Bangladesh and found contamination at every site, with polyethylene being the most common plastic type. The rivers were classified at the most severe hazard level for microplastic contamination based on the types of polymers found. Since these estuaries supply water and fish to millions of people, the contamination raises concerns about human exposure through drinking water and seafood.
Microplastics in freshwater: Unveiling sources, fate, and removal strategies
This review of 167 studies examines the sources, distribution, and fate of microplastics in freshwater systems worldwide. Key sources include improperly disposed plastic waste, synthetic fabrics, and personal care products, and these particles act as carriers for heavy metals, pesticides, and antibiotic-resistant bacteria -- collectively posing potential cancer and other health risks through contaminated drinking water and food.
Current scenario and challenges of plastic pollution in Bangladesh: a focus on farmlands and terrestrial ecosystems
Researchers reviewed the sources, dispersion routes, and environmental consequences of plastic waste across global and Bangladesh-specific contexts, finding that inadequate infrastructure and limited resources make plastic pollution — including microplastics entering agricultural soils, marine environments, and food chains — an especially acute threat in developing countries.
Microplastic pollution in Bangladesh: Research and management needs
This review summarizes what is known about microplastic pollution in Bangladesh, one of the world's most densely populated countries and a major contributor to plastic waste. Despite being the first country to ban plastic bags in 2002, microplastics dominated by textile fibers have been detected throughout the country's rivers and marine environments. The study calls for more comprehensive research and better waste management practices to address the growing microplastic contamination problem.