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Plastic waste management in rural areas, particularly in tourism villages, remains an environmental challenge that requires sustainable solutions. Negeri Tongging Village, as a tourism area around Lake Toba, has experienced an increase in household plastic waste that has not been managed optimally, potentially affecting environmental quality and community well-being. This community service activity aimed to enhance community awareness and capacity in plastic waste management through the implementation of a circular economy approach based on a waste exchange program and ecobrick production. A participatory approach was employed by actively involving the community in all stages of the activity, including socialization, program implementation, and evaluation. The program was carried out during the 2025 Community Service Program of Universitas Islam Negeri Sumatera Utara, consisting of circular economy socialization, collection of plastic waste through an exchange scheme with basic necessities, training on ecobrick production, and the provision of supporting facilities for environmental cleanliness. The results indicate an increase in community participation and environmental awareness, a reduction in improperly disposed plastic waste, and an improvement in community skills in processing plastic waste into useful products. In addition, the activity strengthened mutual cooperation and environmental responsibility among community members. In conclusion, the application of a circular economy approach through ecobrick-based activities can serve as an effective alternative solution for plastic waste management while simultaneously supporting sustainable community empowerment in rural tourism areas.

River cleanliness is a very important environmental issue, especially in densely populated areas that are vulnerable to water pollution. The “Green Stream Movement” program is a community service initiative carried out by a team of students and lecturers to revitalize the condition of the Deli River around the Medan-Marelan area. This activity includes community education, river cleaning, and innovation of waste sorting systems around the river flow. The purpose of this program is to increase environmental awareness of residents and build a sustainable system to maintain river cleanliness. The results of the program show an increase in community participation and a decrease in the amount of waste in the river area by. Collaboration between students, lecturers, and the community has proven effective in creating real changes in the environment