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Plastic Waste to Microplastic Pollution and Its Impacts: A Comprehensive Review on Delhi, India
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This comprehensive review covers the sources, classification, transport, and health impacts of microplastic pollution, with a focus on Delhi, India. The study highlights that microplastics can be inhaled and ingested by humans through the food chain, potentially causing inflammation, digestive tract obstruction, and reproductive effects, and discusses government initiatives to address plastic waste management in India.
Microplastics are very small particles of plastics, usually smaller than 5 mm. Microplastic pollution has emerged as a rising and challenging issue worldwide, posing serious threats to aquatic and terrestrial ecosystems and human health. Because of global demand and frequent use in daily routines, including clothing, packaging, and household items, the production of plastic is increasing annually. This study provides a comprehensive overview of the source, classification (based on shape, color, polymer), transportation, and impact of microplastic pollution. Depending upon size, mass, and density, microplastics can be transported to the environment via air and water. However, microplastics can be inhaled and ingested by humans, causing various health issues; for example, aquatic organisms like small fish ingest microplastics, which accumulate through the food chain and end up in the human body. This can lead to physiological harm, including inflammation, digestion tract obstruction, biomagnification throughout the food chain, and reproductive failure. This study further highlighted initiatives taken by government agencies to address plastic and microplastic pollution across India; for example, The Ministry of Environment Forest and Climate Change (MoEFCC) has formulated and amended the Plastic Waste Management (PWM) rules, Mission LiFE (LiFEStyle for Environment) launched campaigns such as “Say No to Single Use Plastic” and “One Nation, One Mission: End Plastic Pollution” to create awareness at the grassroot level, and institutions like the Food Safety and Standards Authority of India (FSSAI) have initiated a project to detect microplastics in food products. In addition, the National Green Tribunal (NGT) has instructed the Central Pollution Control Board (CPCB) to actively take measures to address microplastic pollution across Indian cities, focusing on key parameters like air, water, food, and humans. This study presents several recommendations, including detection and removal techniques (conventional, advanced, and removal); strengthening legislative policies such as Extended Producer Responsibility (EPR); research collaboration and monitoring with institutions such as CSIR-IITR, ICAR-CIFT, and BITS-Pilani; integrating EPR and Material Recovery Facilities (MRF) to develop a circular economy model; and mass awareness through government initiatives like the Swachh Bharat and Smart City programs to foster long-term behavioral change.
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This review provides a comprehensive look at microplastic pollution in India's marine environment, covering sources, transport, effects on marine life, and potential solutions. Microplastics are being ingested by organisms at every level of the food chain, causing inflammation, hormonal disruption, and reproductive problems that eventually affect humans through seafood. The authors call for stronger policies, better waste management, and public awareness to address this growing threat to both marine ecosystems and human health.
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This review addresses microplastic detection, removal, and health risks in India, examining how plastics degrade through various processes into microscopic particles that enter air, water, and food systems. The authors assess the current state of microplastic research, analytical methods, and regulatory frameworks in India and identify critical gaps in monitoring and policy.
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This review pulls together existing research on India's air pollution problem, finding that tiny plastic particles from clothing fibers, traffic, road dust, and industrial activity are floating in the air people breathe—with estimates suggesting city dwellers may inhale over 300 to 800 of these particles daily. Early lab studies suggest these inhaled plastics could irritate lungs, cause inflammation, and damage the protective lining of airways, though scientists still need better tools to measure exposure and confirm long-term health risks. The takeaway: airborne microplastics deserve the same monitoring attention as other air pollutants, especially in
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Microplastics in Atmospheric Fallout of Delhi: Unveiling the Hidden Threats of Urban Pollution and Emerging Risks
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Researchers tracked tiny plastic particles falling from Delhi's air over four months and found the amount tripled from October to January, with busy residential areas getting nearly double the plastic fallout of quieter suburban zones. Most of these particles were tiny plastic fibers from common materials like polyester and packaging plastics, small enough to potentially be inhaled deep into your lungs. Since this pollution is worsening and we breathe this air daily, the findings signal a growing health concern that needs more research and stronger pollution policies in major cities.
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