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This study aims to analyze various sustainable food processing innovations that contribute to improving public health in Indonesia. The research was conducted through a literature review of 13 scientific articles published between 2015 and 2025 that discussed aspects of nutritional innovation, environmentally friendly processing technology, social empowerment, and food waste management. The analysis results indicate that the use of local food ingredients such as moringa leaves, snakehead fish, and soybeans plays a significant role in improving nutritional literacy, preventing stunting, and strengthening family food security. Meanwhile, the application of appropriate technologies such as oil draining machines, energy-efficient dryers, and waste processing into organic fertilizer contributes to production efficiency and reduced environmental impact. Furthermore, social innovation through the empowerment of MSMEs and women's groups can strengthen the local economy and foster environmental awareness. Thus, the synergy between nutritional, technological, and social innovations forms the basis for developing a healthy and sustainable food system to support the achievement of SDGs 2 and 3 in Indonesia.  

This Community Service Program (KKN) was implemented as an effort to address the health and environmental risks associated with the use of chemical-based dishwashing soap. The program’s lack of knowledge and skills in making natural household products among women underpins the program’s implementation. The goal was to raise awareness and empower women through training in making environmentally friendly dishwashing soap. The program was conducted at the Women’s Witness Building and included outreach, demonstrations, hands-on practice, discussions, and the sharing of results. During the workshop, participants were taught how to make soap using simple ingredients such as baking soda, liquid soap, water, and the addition of glycerin, dyes, and fragrances. The results demonstrated high enthusiasm from the participants, reflected in their active involvement during the workshop and their understanding of the benefits of natural products. This activity not only improved the women’s skills but also encouraged a frugal, healthy, and environmentally conscious lifestyle.

The Community Service Program (KKN) in Pematang Kasih Village, Pantai Cermin District, focused on the construction of owl houses (RUBUHA) as an environmentally friendly effort to control rice field rats. The background to this activity was the high level of rat infestation that was detrimental to local farmers' rice harvests and the excessive use of chemical pesticides, which had the potential to negatively impact human health and ecosystem balance. The research method used was descriptive qualitative, with data collection techniques through direct observation in agricultural fields, interviews with farmer groups, and documentation of the owl house construction process. The results showed that the village community responded positively to this program because the use of owls as natural predators was proven to be more effective in controlling the rat pest population while reducing dependence on chemical pesticides. In addition, this program also increased public awareness of the importance of ecologically based pest control and preserving biodiversity. With the owl houses built around rice fields, it is hoped that a sustainable agricultural pattern can be created that supports the welfare of farmers while preserving the environment.

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.

Environmental sanitation and hygiene are crucial for preventing skin and infectious diseases, especially in coastal areas. This has led to increased interest in developing environmentally friendly natural alternatives. Mangrove leaves have been studied for their significant antibacterial properties due to bioactive compounds such as saponins and flavonoids. Buti Village is one of the coastal villages with mangrove potential. Although several previous studies have confirmed the technical feasibility of mangrove-based products, there is limited literature on empirical dissemination strategies and community responses, particularly in the 3T (Frontier, Outermost, and Disadvantaged) areas. This study addresses this gap by evaluating dissemination strategies and community responses to innovative mangrove-based soap and hand sanitizer products in Buti Village, Merauke, South Papua. Using a quantitative descriptive approach supported by qualitative research, the study involved a purposive sample of 40 local residents. The dissemination strategy included participatory training, product demonstrations, and educational brochures. Findings showed a high level of acceptance, with 86% of respondents accepting the product, and a significant level of self-reliance, with 81% of participants able to independently produce soap and hand sanitizer products. This demonstrates that a participatory, educational, and locally-based approach is effective in building knowledge and positive attitudes toward environmentally friendly innovations. This research demonstrates that these innovations have significant potential to become sustainable community-based small businesses that can strengthen the local economy while promoting mangrove conservation.

The increasing number of students in major cities such as Medan has created an urgent need for temporary housing that is adequate, comfortable, and sustainable. In response, the Indonesian government, through the Ministry of Public Works and Public Housing (PUPR), launched the "One Thousand Towers Program," which includes the development of rental apartment buildings (Rusunawa) for students. However, housing provision must go beyond quantity—it must also consider environmental aspects and the quality of life for its occupants. Therefore, a green architecture approach serves as the foundation for the design of environmentally friendly student housing. This project aims to create a vertical residential facility that not only fulfills the basic function of shelter but also supports learning activities, social interaction, energy efficiency, and environmental sustainability. The design applies key principles of green architecture such as natural lighting, cross ventilation, the use of eco-friendly materials, and the integration of green open spaces. In addition to double-room residential units, the building is equipped with supporting facilities such as study areas, a library, cafeteria, and rooftop garden. The design methodology integrates both primary and secondary data analysis, as well as a comprehensive site study covering climate, noise levels, circulation, and building orientation. The building form concept is developed modularly and efficiently through mass transformation, resulting in an inner court that provides natural light and air. Supported by energy-saving utilities, this design is expected to offer a student housing solution that is not only functional and aesthetic but also contributes to sustainable and high-quality urban development.

The problem of waste in rural areas is still a serious issue that has an impact on environmental health and the quality of life of the community. Batu Licin Village, Gunung Lengkuas Village, East Bintan District, Bintan Regency is one of the areas that faces similar problems, where household waste is still scattered and has not been handled optimally. This community service activity offers innovative solutions through the manufacture of rocket stoves as a means of efficiently burning certain organic and inorganic waste, as well as the construction of garbage booths as a place to store and sort waste before further processing. The implementation method involves counseling to residents, making prototypes, and direct practice of using rocket stoves and garbage booths by local communities. In addition, this activity also emphasizes the importance of changing community behavior in managing waste with the 3R (reduce, reuse, recycle) principle. The results of the activity show an increase in public awareness in managing waste independently, reducing the accumulation of waste in the village environment, and the emergence of alternative waste processing that is environmentally friendly, energy-efficient, and easy to apply. This innovation not only helps overcome the problem of household waste, but also provides educational value and empowers the community in maintaining the cleanliness and sustainability of the village environment. With the implementation of rocket stoves and garbage booths, it is hoped that a cleaner, healthier, and more viable village environment will be created in the long term.

The management of household waste remains a major challenge in society, especially in densely populated rural and urban areas. The practice of open burning of waste is still often carried out because it is considered quick and practical, despite its negative impacts on health and the environment. The smoke from burning can trigger respiratory diseases, reduce air quality, and accelerate global warming. In light of this issue, the 2025 KKN-T 23 UMSIDA students initiated a community service program by introducing an innovation in the form of an environmentally friendly waste bin that can reduce the practice of waste burning. This waste bin is designed with a system for separating organic and inorganic waste and special ventilation that accelerates the natural decomposition process. Through a participatory approach, students involve the community in the planning, creation, and testing of the innovative trash bins. The results of the activities show an increase in community awareness in sorting waste, a decrease in the habit of burning waste, and an improvement in the quality of the surrounding environment. This program has also successfully fostered collaboration between students, village officials, and residents in creating a greener and healthier environment. This trash bin innovation is hoped to be a sustainable model that can be implemented in various areas as a simple yet effective solution for community-based waste management.

Bulu Village, Sugihwaras District, Bojonegoro Regency, is an agricultural village with abundant natural resource potential, including tobacco. However, community agricultural practices still rely heavily on the use of chemical pesticides, which are relatively expensive and carry the risk of negative impacts on human health and environmental sustainability. This situation prompted the implementation of a community service program in the form of training in the manufacture of natural pesticides from jadam sulfur and tobacco leaves using the Asset-Based Community Development (ABCD) approach. This approach was chosen because it focuses on exploring and optimizing local assets, both in the form of natural materials and community social skills. The training activities were attended by farmer groups and youth organizations (Karang Taruna), which play a crucial role in the program's sustainability. The training materials included theories on the dangers of chemical pesticides, the advantages of natural pesticides, and hands-on practice in making pesticides from jadam sulfur and tobacco leaves. Evaluation of the activities was carried out through observation, interviews, and the distribution of questionnaires to participants. The evaluation results showed a significant increase in farmers' knowledge about environmentally friendly pesticides, skills in making natural pesticides, and growing awareness of the importance of sustainable agriculture. In addition, the involvement of Karang Taruna strengthens the sustainability of the program through regeneration and ongoing mentoring. Overall, this training demonstrated the effectiveness of the ABCD approach in optimizing local potential to produce more economical, healthy, and environmentally friendly agricultural innovations. Thus, this program not only supports increased agricultural productivity but also contributes to the broader well-being of rural communities.

This community service program was designed to empower the women’s group PKK RT 01 RW 08 in Tembalang, Semarang, through education and innovation in processing used cooking oil into eco-friendly floor cleaner. Household cooking oil waste, commonly known as “jelantah,” is often discarded and contributes to environmental pollution, while in fact it can be reused as a valuable resource. The program aimed not only to provide technical skills but also to increase environmental awareness and promote sustainable household practices. The implementation took place over three months (June–August 2025) using a participatory approach that included socialization, training, mentoring, and evaluation. During the activities, participants were introduced to the principles of green chemistry, practiced step-by-step floor cleaner production, and learned packaging and digital marketing techniques. As a result, the group successfully produced 65 bottles of “Lely Eco Floor” cleaner (260% of the initial target), distributed them for household use, and established an environmental movement group named “Lely Bersih Lestari.” Pre- and post-test scores indicated significant improvement in participants’ knowledge and skills. The program brought multiple impacts: reducing oil waste pollution, enhancing social cohesion, and opening opportunities for micro-scale entrepreneurship. Overall, this activity demonstrates how simple technology and community engagement can support sustainable development and women’s empowerment at the grassroots level.

Concrete roof tiles are an important material in building construction, particularly for roofing work, due to their advantages in terms of strength, durability, and material availability. This study aims to analyze two main physical characteristics of concrete roof tiles, namely bending load and water absorption, using a literature review approach from various previous studies. Bending load refers to the material's ability to withstand bending forces, while water absorption describes the material's capacity to absorb and store water through its pores. These two properties significantly influence the quality and durability of roof tiles in facing external environmental conditions, especially wet-dry cycles and mechanical loads. The results of the literature review indicate that the use of waste as an aggregate substitute in concrete mixes can significantly improve the performance of concrete roof tiles. For example, research using broken roof tiles and ceramic waste as aggregate substitutes successfully increased flexural strength to a range of 12.5–15.0 MPa. Meanwhile, variations in water absorption were recorded in the range of 4%–8%, depending on the material composition and production method. This proves that the use of recycled materials not only supports sustainability but also improves the mechanical and physical properties of concrete roof tiles. Overall, this study underscores the importance of material innovation in concrete roof tile production, particularly utilizing waste as an alternative aggregate. However, further research is needed to explore the best combination of materials and production techniques for producing high-quality, efficient, and environmentally friendly concrete roof tiles.

The use of chemical pesticides in modern agriculture in Indonesia has a negative impact on the environment and health. To address this issue, students from the 24th Community Service Program (KKN) of Raja Ali Haji Maritime University (UMRAH) held a training session on making plant-based pesticides from papaya leaves in Kota Baru Village, Bintan. This activity aimed to provide environmentally friendly and easy-to-apply pest control solutions to local farmer groups. The training involved agricultural extension workers from the Bintan Regency Food Security and Agriculture Office as resource persons. The results of this training are expected to increase farmers' knowledge and skills in utilizing papaya leaves as natural pesticides, reducing the use of chemical pesticides, and realizing more sustainable and environmentally friendly agriculture in Kota Baru Village. Despite obstacles in community participation, this activity succeeded in sparking farmers' interest in applying plant-based pesticides in their crop cultivation.

Renewable energy is non-fossil energy that can be renewed and managed sustainably, such as solar, wind, water, and biomass. To overcome dependence on weather conditions, this energy can be combined with alternative energy sources such as piezoelectric sensors, which can convert pressure into electrical energy. This study aims to design a prototype monitoring system for hybrid electric energy using solar panels, wind turbines, and piezoelectric elements as alternative energy sources on board ships. The use of Internet of Things (IoT) technology is key to monitoring and managing these energy sources in real-time and automatically through integrated sensors and software. This research uses the Research and Development (R&D) method by creating a prototype that combines solar panels, wind turbines, and piezoelectric components as energy sources and designing a monitoring system based on the Internet of Things (IoT) using the Kodular application. Several system components were tested through two types of testing: static and dynamic testing. The test results showed that the solar panel had the most stable performance with a voltage of approximately 16.50V and a current of 2.41A occurring between 13:00 and 16:00 WIB. The wind turbine was able to operate at low wind speeds and reached its highest voltage of 3.63V and current of 1.14A on the fifth day at 20:00 WIB with a wind speed of 1.1 knots. The piezoelectric system generated power according to the pressure and frequency of footstep impacts. The highest voltage recorded for a 70kg subject was 4.11V with a current of 0.19A. This hybrid system has the potential to be an environmentally friendly energy support solution on board ships.

Capture fisheries are an important economic sector in the coastal area of ​​Depok Beach, Yogyakarta Special Region. Fishing activities in this area use various fishing gear, one of which is the bottom gill net. However, the use of this fishing gear can have negative impacts on the aquatic environment and marine ecosystem, such as the decline in the population of white pomfret and ribbonhead fish, which are the main catch. This study aims to analyze the level of environmental friendliness of the use of bottom gill nets in Depok Beach using a descriptive quantitative approach. The methods used in this study include direct surveys of fishermen, observation of fishing operations, and analysis of catch results. Data were collected through a questionnaire containing 9 indicators compiled by the FAO, which cover aspects of gear selectivity, impact on aquatic habitats, fisherman safety, catch quality, and social acceptance of the fishing gear. The results showed that bottom gill nets had the lowest level of selectivity with a score of 1.13, indicating that this tool is less selective in selecting the types of fish caught. However, the indicator regarding consumer safety received the highest score of 4.00. Overall, the test results show that the use of bottom gill nets at Depok Beach has an environmental friendliness score of 27.06, which indicates that this fishing gear is classified as environmentally friendly even though it needs improvement in terms of selectivity.

This study analyzes the potential use of solar cells as a renewable energy source on the MV SARI INDAH. With the increasing demand for energy and the negative environmental impacts of fossil fuels, solar cells provide a promising eco-friendly alternative. The research focuses on developing a prototype system to charge batteries using solar power, converting DC power into AC for ship operations. The methodology includes measuring sunlight intensity, current, and output voltage, while also calculating the battery capacity and the ship’s electrical load. Tests were conducted at various tilt angles, with data recorded hourly over two days to assess performance. The results show that a 75° tilt angle yields the highest voltage, current, and power output when compared to other angles. Based on these findings, the study recommends installing solar panels at a 75° angle on the compass deck. The system design utilizes two panels positioned opposite each other, forming a 150° angle to optimize energy capture. This setup is capable of supplying power to key areas on the ship, such as seven lamps in the E/R 2nd Deck, Control Room, Emergency Generator Room, and CO₂ Room. The system is designed to meet the total daily energy demand of approximately 1,400 Wh, which can be efficiently fulfilled by eight solar cells rated at 50 Wp each, providing a sustainable and efficient energy solution for the vessel.

The management of domestic wastewater remains a major challenge in rural areas, including in Central Tapanuli Regency. Limited community participation, low access to environmental information, and weak institutional support are key factors hindering sustainable sanitation efforts. This study aims to identify and analyze the factors influencing community roles in environmentally friendly wastewater management and to formulate empowerment strategies that align with local characteristics. This research uses a Mixed Methods approach, combining a descriptive quantitative method with multiple linear regression analysis to assess the influence of variable X1 (Knowledge), X2 (Access to Information), and X3 (Institutional Support) on variable Y (Community Role). Quantitative data were collected from 175 respondents using a closed-ended questionnaire, while qualitative data were obtained through in-depth interviews and field observations in four villages: Sipeapea, Pandan, Tapian Nauli, and Hutabalang. The results show that all three independent variables have a positive influence on enhancing community roles, with institutional support being the most dominant factor. In addition, qualitative interviews revealed a gap in practical knowledge and a need for stronger cross-sectoral communication. These findings indicate that optimizing community involvement strongly depends on continued education, information transparency, and institutional synergy. This study recommends intervention strategies including community-based sanitation education, the establishment of village environmental information systems, and the integration of waste management programs into regional development planning. These findings are expected to serve as a foundation for more adaptive, contextual, and sustainable environmental policymaking in Central Tapanuli.

Household waste management, especially organic waste, remains a major problem in many regions, including Pematang Guntung Village, Teluk Mengkudu District, Serdang Bedagai Regency. Improperly managed organic waste has the potential to cause unpleasant odors, environmental pollution, and become a source of disease. Therefore, an appropriate and environmentally friendly solution is needed to overcome this issue. This study aims to examine how the application of the biopore method can serve as a strategy to create a cleaner environment while simultaneously improving soil fertility. The research method used was qualitative, with data collection techniques including observation, interviews, and documentation. The data obtained were analyzed descriptively to illustrate the implementation of biopores in the community. The results showed that the application of biopores was able to significantly reduce the volume of household organic waste. Organic waste placed into biopore holes naturally decomposed into compost, which is beneficial as an environmentally friendly fertilizer. In addition, biopores improved soil water absorption capacity, which helps reduce waterlogging during the rainy season and maintain soil moisture. From a social perspective, biopores encouraged the development of new awareness among community members regarding the importance of waste management. This was demonstrated by the active participation of residents in creating, utilizing, and maintaining biopore holes sustainably. Thus, biopores function not only as a technical solution for organic waste management but also as an environmental education tool that strengthens community collaboration in maintaining cleanliness and enhancing soil fertility in their area.

The RUFSA Program (Rusa untuk Fertilizer Sustainable Agriculture) is an innovative initiative that transforms Timor deer (Rusa timorensis) manure waste from a conservation breeding site in Cakura Village, South Sulawesi, into organic biofertilizer. The program, implemented by PT Pertamina Patra Niaga Integrated Terminal Makassar in collaboration with the local community, aims to reduce manure waste, support wildlife conservation, and provide environmentally friendly fertilizer for sustainable agriculture. The method involves collecting deer manure directly inside the enclosure, mixing it with water and EM4 activator, and regularly stirring to ensure sufficient oxygen supply during a 7–14 day aerobic fermentation process. This approach not only reduces organic waste and minimizes unpleasant odor but also decreases the risk of disease transmission. The resulting biofertilizer is applied to cultivate odot grass (Pennisetum purpureum cv. Mott), small trees, and ornamental plants such as bougainvillea (Bougainvillea sp.), demonstrating practical benefits for local agriculture. Economically, the program contributes to an annual saving of IDR 3,240,000 by reducing the dependency on chemical fertilizers. Beyond its economic outcomes, RUFSA also strengthens community participation in environmental management and raises awareness of the importance of sustainable practices. Furthermore, the program aligns with the Sustainable Development Goals (SDGs), particularly those related to food security, economic growth, responsible consumption and production, and terrestrial ecosystem conservation. Overall, the RUFSA Program exemplifies an integrative approach that combines conservation, waste management, and community empowerment to promote environmentally responsible and sustainable agricultural development.

The community service program carried out at Stella Matutina Salatiga Junior High School aims to strengthen environmental awareness while supporting the implementation of sustainable education through the manufacture of biopesticides made from eco enzymes. This activity is based on students' low understanding of the impact of the use of synthetic chemical pesticides on health and the environment. Therefore, the program is designed for students to gain hands-on experience in processing organic waste into eco enzymes and using it as the main ingredient of environmentally friendly biopesticides. The implementation method includes socialization on the importance of protecting the environment, introduction to natural biopesticides, training in making biopesticides with simple techniques, and intensive assistance to teachers and students. The evaluation process was carried out through an interactive quiz using the Kahoot application to measure participants' understanding. In addition, the follow-up of the program includes the preparation of materials, creative workshops, the development of interactive modules, teacher training, classroom implementation, and exhibitions of student works. The results of the program showed that the training was effective, as evidenced by the application of biopesticides in school parks and the increase in student knowledge, namely from a pre-test score of 53% to 59% in the post-test. These findings confirm that the application of eco enzymes is not only beneficial in reducing the use of chemical pesticides, but also able to foster students' environmental awareness and practical skills. In the future, this program has the potential to be replicated in other schools as a project-based learning model that is applicable and sustainable.

This study aims to investigate how variations in the soaking time of Luffa cylindrica fibers in alkaline solutions affect the mechanical properties and fire resistance of the resulting composite material. The use of natural fibers is an important step in finding environmentally friendly and sustainable alternatives to replace synthetic materials. Luffa cylindrica fibers were chosen for their advantages, such as being lightweight, strong, and abundantly available. However, natural fibers like luffa contain non-cellulose compounds, such as lignin and hemicellulose, that can hinder strong bonding with the resin matrix. Therefore, pre-treatment with an alkaline solution is necessary to remove these interfering substances. In this study, composites were made using the hand lay-up method with polyester resin as the main matrix. The treatment variable tested was the fiber soaking time in KOH solution, with three variations: 2 hours, 4 hours, and 6 hours. After the composite fabrication, the samples were tested through several standard tests, including tensile tests to measure the material's strength under tension, impact tests to assess toughness, and burn rate tests to evaluate fire resistance. Additionally, macro and micro photo analysis (using SEM if possible) will be conducted to observe fracture characteristics and the quality of the fiber-resin bond. The expected outcome is that longer alkaline soaking will significantly improve tensile strength and toughness. Furthermore, longer soaking is also expected to improve fire resistance by forming a char layer, which acts as a thermal insulator, slowing heat transfer and reducing the rate of pyrolysis.