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Waste-related issues have become increasingly complex environmental challenges as a result of population growth and shifting consumption patterns within society. Although Indonesia has established a legal framework through Law Number 18 of 2008 on Waste Management, its implementation at the community level continues to encounter various obstacles, particularly low legal awareness and an underdeveloped legal culture. This community service program aims to foster and strengthen a legal culture in waste management as an effort to promote environmental sustainability in Mrutuk Village, Widang District, Tuban Regency. The activities were conducted using participatory and descriptive approaches, including legal education, dissemination of waste management regulations, reinforcement of legal substance and enforcement structures, and community-based assistance. The results demonstrate an improvement in public understanding and awareness of the importance of managing waste in accordance with legal provisions, a shift in attitudes from compliance motivated by supervision toward voluntary compliance, and the emergence of community initiatives to actively engage in environmentally oriented waste management. Therefore, strengthening legal culture has proven to be a crucial instrument in encouraging environmentally responsible behavior and supporting the achievement of sustainable development.

Cassava is one of the strategic agricultural commodities in Indonesia, contributing significantly to national production, particularly in several major producing provinces. In addition to the challenge of declining harvested areas, cassava processing activities also generate agricultural waste that poses environmental risks. In Purwasari Village, Dramaga Subdistrict, Bogor Regency, household-scale cassava processing industries produce solid waste in the form of cassava peels, which are not optimally managed and are commonly discarded in the surrounding environment. This cassava waste has the potential to cause environmental pollution, unpleasant odours, and negative impacts on public health. One sustainable alternative for managing this cassava waste is the use of cassava peels as a raw material for composting. This study aimed to identify problems associated with cassava peel waste and to assess members of the Taruna Tani Millennial Farmer Group's interest in compost production using cassava peels. The research was conducted from December 2024 to June 2025 using a community-based assistance approach. Data was collected through interviews and questionnaires involving 20 respondents. The results showed that the main problems associated with cassava peel waste include waste accumulation, limited processing facilities, and low community awareness. Farmers’ interest in cassava peel composting was generally categorized as high, with an average score of 77%, although several indicators remained at a moderate level. Extension activities and hands-on demonstrations were proven to enhance farmers’ understanding, interest, and participation. With sustained educational support and adequate facilities, the use of cassava peel compost has strong potential to promote environmentally friendly, sustainable agricultural waste management.

The utilization of biopore infiltration holes has become one of the simple and effective innovations in environmental management and soil resource conservation, with great potential to support a healthy environment. This community service activity aims to enhance farmers' understanding of the use of biopore infiltration holes as an effort for soil and water conservation as well as sustainable organic waste management. The outreach was conducted on September 7, 2024, at the Kesambi Village Hall, Pucuk District, Lamongan Regency, targeting 12 members of the farmer group. The implementation method of the activity included preparation stages, conducting a pretest, delivering material along with interactive discussions, and concluding with a posttest as an evaluation of the participants' understanding improvement. The results of the activity indicate an increase in the average knowledge score of participants from 81.25 in the pretest to 97.92 in the posttest. This demonstrates that the socialization method applied was effective in enhancing farmers' understanding of the functions, production techniques, and benefits of biopores. This activity is expected to encourage the independent implementation of biopores by farmer groups, both at the household and agricultural levels, as part of environmentally friendly and sustainable land management practices.

This study formulates a design concept for the Beach Tourism Resort Area in Botubarani Village by applying tropical architecture that responds to coastal climatic conditions while enhancing the quality of visitor experiences. The research integrates principles of thermal comfort, environmental sustainability, and the ecological potential of coastal environments as the basis for creating climate-adaptive and environmentally responsive tourism areas. The methodology includes site analysis, field observation, climatological assessment, and a literature review related to tropical architecture and coastal tourism design. The collected data were used to determine building orientation, mass layout patterns, visitor capacity, materials, vegetation, and utility systems appropriate for humid tropical climates. The findings show that the site’s position between the sea and the mountains, combined with full-day sun exposure, requires design strategies that maximize cross-ventilation, utilize sloped roofs, provide natural shading, and apply local materials such as wood, bamboo, and red brick. The large spatial needs based on visitor capacity projections are accommodated through a flexible cluster layout that supports visual and functional connectivity between buildings while incorporating green open spaces to enhance microclimate comfort. The utility system is designed using sustainability principles through greywater–blackwater separation, infiltration wells, and recycling-based waste management. This study confirms that the application of tropical architecture in coastal tourism areas can improve thermal comfort, energy efficiency, and environmental sustainability. These findings guide developing tropical tourism area designs that are more adaptive to climate change and more responsive to visitor needs.

Solid waste from the tapioca processing industry, which is based on cassava (Manihot esculenta), is a medium rich in organic matter, particularly starch, that supports the growth of various types of microorganisms, especially fungi and bacteria. This study aims to isolate and observe the morphology of microorganisms from solid waste of cassava from the tapioca industry using Potato Dextrose Agar (PDA) medium in a series of pharmaceutical microbiology practicum. Waste samples were taken from the tapioca processing site, then underwent a serial dilution process and inoculation into PDA medium, which was incubated at 28–30°C for 5 days. The isolation results showed the growth of microorganisms with diverse colony morphologies, which are suspected to originate from the genera Aspergillus, Penicillium, and Rhizopus, based on macroscopic and microscopic characteristics. The presence of these microorganisms indicates the potential utilization of cassava waste as a source of microbial isolates for biotechnological and pharmaceutical applications, such as enzyme production and development of bioactive compounds. This practicum activity also contributes to increasing students' understanding of isolation techniques, microorganism characterization, and their role in biological-based waste management.

Waste management remains a serious problem, particularly in rural areas, which generally have relatively low levels of environmental awareness. Inorganic waste such as plastic, glass, and aluminum is a major concern because it takes hundreds of years to decompose naturally. This situation poses potential long-term environmental hazards, including soil and water pollution, and ecosystem disruption. Therefore, effective educational efforts are needed to raise public awareness of waste issues. This community service activity was carried out in Sarah Perlak Village, Sungai Mas District, West Aceh Regency. The focus of the activity was the installation of educational signs containing information about the decomposition time of various types of waste. Implementation methods included direct observation to identify specific problems at the site, informal outreach to local residents, demonstrations related to waste sorting, and the creation and installation of educational signs. The signs were made from wooden planks and decorated with real waste such as plastic bottles, aluminum cans, and used paper, thus providing a tangible visualization to the community. The results of the activity showed that the visual approach through educational signs was able to attract the attention of residents, both children and adults. The information was presented clearly and accompanied by real-life examples, making the message easier to understand and remember. In addition, direct interaction through outreach and demonstrations provided an opportunity for residents to ask questions and share experiences related to waste management. Overall, this educational medium has proven effective in conveying environmental messages, raising awareness, and motivating the community to start sorting and reducing waste at the source. Going forward, this program is planned to be expanded through training in processing waste into useful products, thereby not only reducing pollution but also providing economic benefits to the community.

The purpose of this paper is to examine the role of Green Intellectual Capital (GIC) in the development of waste-to-energy (WtE) technologies, which is of special relevance for the incineration plants in the Gulf Cooperation Council (GCC) countries. Although previous studies have focused primarily on technological and infrastructural aspects, this paper investigates the contribution of intangible assets such as green human, structural, and relational capital towards the performance and sustainability of WtE systems. Adopting a mixed-method approach, the results show that Green Structural Capital has the first place in supporting operational efficiency, followed by Green Human Capital and Green Relational Capital. The statistical analysis based on Structural Equation Modeling (SEM) shows that all GIC dimensions are positively related to plant performance, with institutionalized knowledge and systems as the most significant enablers of innovation. Qualitative findings also highlight constraints such as lack of training, unhandy knowledge systems, and poor public-private interaction. The findings recommend policy suggestions for promoting GIC assimilation within environmental infrastructure and provide a region-based theoretical model connecting knowledge-based resources and sustainable waste management practices. The study emphasizes the importance of integrating intellectual capital into the strategic decision-making process of waste-to-energy plants to enhance their operational effectiveness and long-term sustainability. Additionally, the research underlines that fostering a knowledge-sharing culture and enhancing collaboration between various stakeholders, including governmental bodies, private firms, and research institutions, is critical for the success of green initiatives. Training programs aimed at developing green human capital and improving public-private partnerships are essential to overcoming the current barriers to innovation in the WtE sector. This study has practical and scholarly implications in unifying the focus from just technology to the facilitating role of human and intellectual capital in green transformation, further bridging the gap between environmental sustainability and technological advancements in waste management.

Islamic education plays a strategic role in supporting the achievement of the Sustainable Development Goals (SDGs), particularly in the areas of social empowerment and environmental preservation. This research is motivated by the need for an educational approach that is not only religious but also capable of driving fair and sustainable social transformation. This study aims to analyze how Islamic education, especially through institutions such as Islamic boarding schools and madrasas, integrates sustainability values into curricula and daily practices. The method employed is qualitative research with a descriptive-analytical approach, examining various Islamic educational practices that align with the principles of the SDGs. The results show that Islamic values such as maslahah 'ammah (public benefit), justice, and the role of humans as khalifah (stewards) strongly support the foundations of sustainable development. Islamic educational institutions have been actively engaged in social, economic, and environmental activities, including skills training, Islamic entrepreneurship, reforestation programs, and waste management. Although challenges remain—such as limited resources and teacher training—Islamic education holds great potential to foster self-reliant and environmentally conscious communities. Through curriculum strengthening, continuous teacher development, and cross-sector collaboration, Islamic education can serve as a powerful driver of change toward a more just and sustainable future.

Indonesia faces significant challenges in maintaining environmental ethics amid rapid economic growth and urbanization. Environmental degradation, such as deforestation, water pollution, and poor waste management, reflects a widespread lack of ecological awareness. However, local wisdom offers an alternative approach to environmental sustainability. This study aims to describe the forms of environmental ethics embedded in the local wisdom of the Betawi community in the Betawi Cultural Village of Setu Babakan, South Jakarta. Using a descriptive qualitative method, the research explores cultural practices that support environmental preservation, including the use of home gardens, reverence for nature, and community-based waste management. The findings show that the Setu Babakan community applies ecological principles through traditions, customs, and active participation in environmental care. Moreover, synergy between the government, local communities, and the tourism sector contributes to developing an area that not only preserves Betawi culture but also maintains ecological balance. These findings highlight the importance of integrating local cultural values into environmental policy as a pathway toward sustainable development.

Indonesia faces significant challenges in maintaining environmental ethics amid rapid economic growth and urbanization. Environmental degradation, such as deforestation, water pollution, and poor waste management, reflects a widespread lack of ecological awareness. However, local wisdom offers an alternative approach to environmental sustainability. This study aims to describe the forms of environmental ethics embedded in the local wisdom of the Betawi community in the Betawi Cultural Village of Setu Babakan, South Jakarta. Using a descriptive qualitative method, the research explores cultural practices that support environmental preservation, including the use of home gardens, reverence for nature, and community-based waste management. The findings show that the Setu Babakan community applies ecological principles through traditions, customs, and active participation in environmental care. Moreover, synergy between the government, local communities, and the tourism sector contributes to developing an area that not only preserves Betawi culture but also maintains ecological balance. These findings highlight the importance of integrating local cultural values into environmental policy as a pathway toward sustainable development.

This study aims to describe and analyze the strategies implemented by the Environmental Agency (DLH) of Karimun Regency in managing waste and to evaluate the effectiveness of these implementations in the field. Employing a qualitative descriptive approach, data were collected through in-depth interviews, observations, and document reviews. Findings reveal that DLH Karimun has developed and executed key strategies, including the formulation of the Regional Waste Management Master Plan (RIPSD), optimization of Temporary Waste Disposal Sites (TPS) with 3R principles, active collaboration with waste banks and community groups, and community-based education and socialization efforts. However, operational challenges persist, particularly in waste transportation fleet distribution, handling of the Sememal Final Disposal Site (TPA), and monitoring and evaluation mechanisms that remain suboptimal. Additional challenges include limited human resources and funding, low public awareness, and regulatory conflicts impacting strategic decision-making. Nevertheless, the strategies implemented have contributed to improvements in environmental cleanliness across several sub-districts and increased volumes of processed waste through recycling initiatives. Community involvement through schools, youth organizations, family welfare groups, mutual cooperation activities, and waste banks proved critical to success. The study recommends the adoption of digital-based waste management systems (smart waste management), capacity building for DLH personnel, community empowerment, and revision of local regulations to support sustainable waste management. This will enhance the effectiveness and sustainability of DLH Karimun’s waste management strategies moving forward. The findings provide valuable insights for policy formulation and practical implementation in similar regional contexts.  

This study aims to describe and analyze the strategies implemented by the Environmental Agency (DLH) of Karimun Regency in managing waste and to evaluate the effectiveness of these implementations in the field. Employing a qualitative descriptive approach, data were collected through in-depth interviews, observations, and document reviews. Findings reveal that DLH Karimun has developed and executed key strategies, including the formulation of the Regional Waste Management Master Plan (RIPSD), optimization of Temporary Waste Disposal Sites (TPS) with 3R principles, active collaboration with waste banks and community groups, and community-based education and socialization efforts. However, operational challenges persist, particularly in waste transportation fleet distribution, handling of the Sememal Final Disposal Site (TPA), and monitoring and evaluation mechanisms that remain suboptimal. Additional challenges include limited human resources and funding, low public awareness, and regulatory conflicts impacting strategic decision-making. Nevertheless, the strategies implemented have contributed to improvements in environmental cleanliness across several sub-districts and increased volumes of processed waste through recycling initiatives. Community involvement through schools, youth organizations, family welfare groups, mutual cooperation activities, and waste banks proved critical to success. The study recommends the adoption of digital-based waste management systems (smart waste management), capacity building for DLH personnel, community empowerment, and revision of local regulations to support sustainable waste management. This will enhance the effectiveness and sustainability of DLH Karimun’s waste management strategies moving forward. The findings provide valuable insights for policy formulation and practical implementation in similar regional contexts.

According to a UNESCO report, more than 80% of industrial wastewater containing hazardous substances is discharged without treatment. This research aims to understand the implementation of Permen LHK Number 6 of 2021 in the management of hazardous waste at PT Bina Guna Kimia and the role of the Semarang Regency Environmental Agency (DLH). The research uses a descriptive qualitative approach with empirical juridical methods. Data were obtained through observation, interviews, documentation, and literature studies, and validated by source triangulation and analyzed qualitatively. The results showed that PT Bina Guna Kimia has implemented Permen LHK No. 6 of 2021 well, although there are still challenges such as the lack of understanding of employees about waste classification. The B3 waste management system in this company is quite effective with strict procedures in identification, storage, transportation, recording through logbooks, and real-time monitoring through the SIMPEL application. The company also regularly conducts training and works with certified vendors. DLH Semarang Regency plays an active role through supervision, socialization, compliance audits, coaching, and education to businesses to increase environmental awareness and compliance. This study suggests that DLH and PT Bina Guna Kimia improve education and training programs, and encourage industry players to seek alternative funding for the implementation of environmentally friendly technology. In addition, collaboration between stakeholders needs to be improved to create effective and sustainable hazardous waste management.

City growth that is not balanced with the fulfillment of community needs has the potential to reduce environmental quality, especially in waste management. This study aims to analyze community participation in waste management in Gorontalo City. The method used is descriptive qualitative, with data collection through interviews, observation, and documentation. The results showed that community participation in waste management is still low, as seen from the large amount of littering and lack of knowledge about waste utilization. However, there are positive developments in Kelurahan Dulomo Utara, where people are starting to realize the importance of separating waste and managing waste into useful products. The study also identified challenges, including a lack of facilities and socialization from the government. Hopefully, increased community participation and government support can create a sustainable solution for waste management in Gorontalo City.

The study aims to analyze the occupational safety and environmental health risks due to aircraft painting at the Hangar of PT. XYZ. The study is a descriptive study with a qualitative approach. The results of the study are the analysis of occupational safety risks seen from occupational safety risks and risk control. Occupational safety risks in aircraft painting activities at PT. XYZ are divided into several parts, namely (1) Exposure to hazardous chemicals is included in the high category; (2) The risk of work accidents is included in the moderate category; (3) Equipment damage is included in the low category; and (4) Fire is included in the low category. Risk control can be carried out by (1) Increasing strict supervision of the aircraft painting process; (2) Conducting appropriate occupational safety training for workers; (3) Using PPE; (4) Using adequate safety equipment; and (5) Carrying out proper equipment maintenance. The analysis of environmental health risks is seen from environmental health risks, sources of risk and risk control. Environmental health risks are divided into several parts, namely (1) Air pollution is included in the moderate category; (2) Soil and water contamination is included in the moderate category; and (3) Environmental damage is included in the moderate category. Sources of environmental health risks are the use of hazardous chemicals and painting waste. Risk control can be done by carrying out strict supervision, using safe chemicals and proper waste management.

This study explores the integration of AI-driven process optimization in Waste-to-Energy (WtE) systems to enhance urban sustainability. The research focuses on designing a gasification-based WtE system, incorporating AI predictive control to optimize energy conversion processes. The AI system adjusts operational parameters in real-time, improving energy conversion efficiency by 25% and reducing carbon emissions by 40%. Additionally, the system's waste-to-energy conversion rate is projected to increase by 20%, and operational costs are expected to decrease by 30%. Data collection and analysis are carried out using advanced sensors to monitor key parameters such as temperature, gas composition, and energy output, which are then processed by machine learning algorithms for predictive analysis. The results show that the AI optimization significantly enhances system performance, offering a sustainable solution for urban waste management. The study highlights the technical and operational challenges of integrating AI into existing WtE systems, including the need for infrastructure upgrades and scalability considerations. It also discusses the socio-economic impacts, including job creation, reduced energy costs, and improved public health. The findings demonstrate the potential of AI-based WtE systems in reducing waste, generating clean energy, and mitigating climate change, positioning them as a viable solution for sustainable urban development.

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.

Environmental health such as proper medical waste management in accordance with existing requirements. The purpose of this study was to determine the sources of infectious medical waste at RSUD Haji Makassar. The research method used is a qualitative method with a post-positivistic or enterprising approach and observation. The types of data used are primary and secondary data. The results of the study indicate that at the sorting and reduction stage it has been implemented but in the sorting section there are still errors in plastic bags not being labeled regarding the type of waste, at the storage stage there are still errors in temporary storage places that can be accessed by animals, at the transportation stage there are still some that are not in accordance with the Regulation of the Minister of Environment and Forestry Number 56 of 2015 such as medical waste managers also do not use complete personal protective equipment and do not have a special route for waste transportation, at the processing stage it is not carried out because the incinerator in the hospital does not have an operational permit and at the stockpiling and burial stages it is also not carried out because medical waste management has been handed over to a third party. RSUD Haji Makassar pays more attention to all waste management processes that are not yet adequate and the management of incinerator use permits for better waste management.

Companies operating in the electricity accumulator industry sector, in the production process produce waste in the form of hazardous and toxic materials (B3). The management of B3 waste is carried out based on the provisions stated in the Regulation of the Minister of Environment and Forestry Number 6 of 2021 concerning Procedures and Requirements for Hazardous and Toxic Waste Management. Therefore, the waste generated requires special handling to prevent environmental pollution. Therefore, the waste generated requires special handling so as not to pollute the environment. Hazardous waste management in the electricity accumulator industry includes various stages, both for waste in the solid and liquid phases, namely identification, inventory, packaging, labeling and symbolization, storage, and transportation carried out by third parties. This research aims to assess the current condition of hazardous waste management in the electricity accumulator industry, evaluate it, and provide recommendations that are in line with applicable regulations. The research method used is a descriptive approach. In the inventory process, the electricity accumulator industry requires Temporary Storage Sites (TPS) to store B3 waste before transportation by third parties.

This study explores the potential utilization of phosphoric acid sludge and ZA II lime waste as raw materials for the production of SP-15 fertilizer, which is essential for enhancing agricultural productivity and addressing environmental issues related to waste disposal. The research aims to analyze the phosphorus content (P₂O₅), moisture levels, sulfur (S), and calcium oxide (CaO) in the raw materials and the final fertilizer product. Methods employed include sampling, gravimetric analysis, and spectrophotometry. The findings indicate that phosphoric acid sludge contains an average P₂O₅ content of 33.05%, making it a potential phosphorus source for fertilizer production. Additionally, ZA II lime demonstrates good hygroscopic properties. This research concludes that utilizing these two wastes can not only reduce reliance on chemical fertilizers but also provide economic benefits to farmers and support sustainable agriculture. The implications of this study highlight the need for further research to optimize waste processing techniques and enhance community awareness regarding waste management.