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Smart cities incorporate information and communication technology to enhance the quality and performance of urban services. The element of smart cities includes physical infrastructure and IoT technology, which gives a framework, methodology, technology, and management solution and efficient waste handling and reduction with the assistance of software analysis tools. It provides effective environmental resource flow integration. IoT system provides a digital access to waste management. This system uses online smart monitor sensors that monitor the performance of water supply and effluent handling system utilizing a cloud-based platform. This enhances real-time planned performance and increases life-cycle equipment. This technique enhances the synergistic use of resources due to climate mitigation and adaptation for sustainable growth and this technology also uses air quality sensors across the city to collect open data platform for monitoring and reducing primary and secondary pollutants and systematically instruct the pollutant-causing sources to maintain ambient air quality.

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Environmental pollution and remediation on a global scale have drawn attention to the vital need for new environmentally friendly, clean chemical technologies and processes. Ultraviolet LED (UVLEDs) are mainly employed for the photo catalytic degradation of organic pollutants present in air and water. LEDs are available as both chip and bulb types. As LEDs are energy efficient and mercury free, Shengottai municipality proposed to change all exiting streetlights to LED lights in order to reduce the electrical energy as well as the air pollution.