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The problem of organic waste remains a serious issue in Indonesia, including in rural areas. Jatitamban Village, Bondowoso Regency, faces similar challenges due to household waste and residual by-products from local small enterprises producing tape and cassava chips, which are not yet optimally managed. The Community Service Program (KKN) of the University of Jember implemented an initiative to empower village youth through maggot cultivation as an environmentally friendly and economically valuable solution for organic waste management. This study employed a Community-Based Research (CBR) approach by engaging local youth as active partners in every stage of the program, including observation, planning, socialization, technical training, workshops, and monitoring. The results indicate that Black Soldier Fly (BSF) maggot cultivation serves as an effective strategy to reduce the volume of organic waste while producing value-added products such as alternative animal feed and organic fertilizer. The involvement of youth not only enhanced their knowledge and skills but also fostered environmental awareness and created new entrepreneurial opportunities. Furthermore, the program successfully established a solid and independent youth group capable of sustainably managing organic waste through maggot cultivation practices. The implications of this program extend beyond environmental improvement to promoting village economic independence through the utilization of organic waste. Therefore, youth empowerment through maggot cultivation can serve as a strategic model for sustainable waste management as well as strengthening community capacity in rural areas.

Pogalan Village in Pakis District, Central Java, is known as a horticultural agricultural center, with abundant vegetable production every year. However, behind this potential, this village faces a serious problem in the form of large amounts of organic waste generated from harvest residue and agricultural processing. Waste that is not managed properly has the potential to cause environmental pollution, reduce the village's aesthetics, and become a source of disease spread. To address these problems, the Tidar University Community Service Program (KKN-50) Team conducted a socialization activity for Black Soldier Fly (BSF) maggot cultivation as an environmentally friendly and economically valuable organic waste management solution. BSF maggots have been proven to decompose organic waste by up to 60% in a short time and produce useful by-products, such as dried maggots as high-protein animal feed and kasgot (used maggots) that can be used as organic fertilizer. The activity was held on July 31, 2025, at the Pogalan Village Hall, with the main participants being PKK mothers as agents of change at the household and community levels. The implementation method included initial observation of the village's potential and problems, creation of a maggot cultivation prototype, theoretical material outreach, and live demonstrations of the cultivation process. The material provided covered the BSF life cycle, cultivation techniques, selection of growing media, maggot population management, and utilization of cultivation products. The results of the activity showed high enthusiasm from participants, as reflected in the many questions and discussions during the training session, as well as their increased understanding of the benefits and techniques of maggot cultivation.

Suboptimal waste management in Kalijoso Village, Secang District, Magelang Regency, is a critical issue that impacts environmental sustainability and public health. The inefficiency of conventional waste disposal methods has led to increased waste accumulation, soil and water pollution, and the spread of diseases, which has significant consequences for local communities. To address these challenges, the local government and community organizations have embraced the principles of the 3R (Reduce, Reuse, Recycle) through a transformation of traditional waste disposal sites (TPS) into 3R TPS. The new approach focuses on sustainable waste management practices that reduce the amount of waste sent to landfills. One of the key strategies implemented is educational outreach to raise awareness about the importance of waste segregation and recycling. Additionally, training programs have been conducted to teach the community how to process organic waste, particularly through the cultivation of maggots using Black Soldier Fly (BSF) larvae. This method not only helps reduce the volume of organic waste but also provides a practical solution for transforming waste into valuable resources. The maggots cultivated during the demonstration are used as animal feed, which creates a sustainable circular economy within the community. Furthermore, composting organic waste results in high-quality compost that supports local agricultural activities. This has added economic value by reducing the need for chemical fertilizers, while simultaneously improving soil health. The role of the Salakan Hamlet Youth Organization has been instrumental in this initiative. They have successfully managed a waste bank, providing an organized and systematic approach to waste collection and recycling. This initiative has fostered a sense of community responsibility and has not only improved waste management practices but also contributed to the overall economic development of the village.

Utilization of fermented layer chicken excreta as a feed medium for Black Soldier Fly (BSF) maggots is a sustainable solution for organic waste management. Chicken excreta contains 13-32% crude protein, but has disadvantages such as unbalanced nutrient composition and unpleasant odor. Fermentation of chicken excreta can improve maggot production performance by reducing pathogens, odor, and facilitating digestion. The growth medium of 50% excreta + 50% tofu dregs produced the highest PK, which was 34.34%. The lowest SK and LK were obtained from the growth medium of 50% excreta + 50% tofu dregs and 25% excreta + 75% tofu dregs. Based on physical conditions, the longest and heaviest maggot sizes were obtained from the growth medium of 50% excreta + 50% bran + 5 ml EM4. Meanwhile, the shortest maggots were obtained from the growth medium of 75% coconut dregs + 25% excreta and the lightest maggots were obtained from the growth medium of 100% excreta.

The establishment of a waste bank program in Sabatan Hamlet, Ringinanom Village, Magelang Regency, is one of the solutions to address the increasing household waste problem. This program was carried out through the Community Service Program (KKN) of Tidar University from January to February 2025, with the aim of raising public awareness about the importance of environmentally friendly waste management. This research used a descriptive qualitative method, with data collection techniques including open interviews, field surveys, and focus group discussions (FGD). The program implementation was conducted in four main stages: preparation, socialization, execution, and assistance. During the execution phase, the "UD Sregep" waste bank was successfully established, focusing on the management of paper, plastic bottles, and cans. Additionally, the program successfully integrated inorganic waste management with Black Soldier Fly (BSF) maggot cultivation for organic waste, creating a sustainable waste management system that holds economic value for the community. The program received positive support from various stakeholders, including the community, village government, and other parties, demonstrating its success in improving the welfare of the community through waste utilization.