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This study explores the implementation of circular economy principles within Safina Quilt, an MSME in Balikpapan that transforms textile waste—such as fabric scraps and discarded clothing—into value-added products. Safina Quilt applies the concepts of reduction, reuse, and upcycling throughout its production processes using quilting techniques, while simultaneously establishing an inclusive supply chain that engages local tailors, individuals with disabilities, and homemakers. This business model not only delivers economic gains by increasing profit margins and expanding market reach but also generates substantial social benefits by empowering vulnerable community groups. Although challenges remain, including limited access to supporting materials, constraints in production capacity, and insufficient digital marketing efforts, Safina Quilt demonstrates how MSMEs can successfully integrate environmental, economic, and social sustainability. Strengthening supply chain mechanisms, enhancing production capabilities, and improving digital marketing strategies are essential for scaling up and ensuring long-term business sustainability.

The Community Service Program (KKN) is a tangible form of student service to the community as an implementation of the three pillars of higher education, namely education, research, and community service. One of the activities carried out during the KKN in Sihuik-huik Village was to socialize the importance of saving from an early age to sixth grade students at MIS Al-Abraar. This activity aimed to instill an understanding of the concept of saving, its benefits, and to train students’ skills through the practice of making piggy banks from used bottles. The implementation methods included delivering material using PowerPoint, showing simple animations, and creative practice in decorating piggy banks. The results of the activity showed a positive response from the students, who were enthusiastic from the beginning to the end of the program. The students not only understood the importance of saving money, but were also motivated to practice it by using the piggy banks they had made themselves. In addition to training creativity and environmental awareness, this activity also instilled the values of discipline, independence, and religious awareness that saving is part of Islamic teachings in managing wealth wisely and avoiding wastefulness. Thus, this socialization activity proved to be effective as a simple financial education medium that shaped positive and beneficial attitudes for the students’ future preparation.

The use of sengon albasia ash waste as a partial cement substitute in concrete production is carried out to reduce combustion waste and also reduce cement use. This study focuses on the use of sengon albasia wood ash waste. The use of sengon albasia wood ash as a cement substitute causes a significant decrease in the slump test value. The use of sengon albasia wood ash as a partial cement substitute in concrete mixes actually produces different results depending on the proportion. If added as much as 10%, the concrete's compressive strength actually increases, but if it reaches 20% or 30%, the compressive strength actually decreases. This occurs because this type of wood ash has a significant water absorption capacity. As a result, the water that should be used for The chemical activity occurring between cement and water is diminished, so that the bond between the cement mixture as a binder and aggregate as a filler is reduced, and ultimately the concrete's compressive strength also decreases.

This study investigates the impact of green accounting practices on corporate environmental performance, with a focus on manufacturing firms in Indonesia. Green accounting, which involves the identification, measurement, and reporting of environmental costs, is increasingly recognized as a strategic tool for enhancing corporate accountability and sustainability. However, in developing countries, its implementation remains limited and fragmented. Using a qualitative approach, this research explores how green accounting mechanisms are integrated into corporate decision-making processes and how they influence key environmental performance indicators such as energy efficiency and waste reduction. Data were collected through semi structured interviews with environmental and finance managers from five companies actively participating in the PROPER environmental rating program. Thematic analysis revealed that firms with advanced environmental accounting practices achieved higher energy savings and waste reduction outcomes, as well as superior PROPER ratings. These improvements are directly linked to the strategic use of environmental data in operational planning and investment decisions. Nonetheless, challenges such as the lack of technical guidelines, insufficient human resources, and the absence of standardized frameworks remain significant barriers to broader adoption. The study contributes to the growing literature on sustainability accounting in emerging economies and offers practical implications for policymakers and corporate practitioners seeking to institutionalize green accounting as part of sustainable business governance.

Development in Banten Province has created conflict in development due to the dominance of a minimalist modern science approach, which prioritizes economic growth while ignoring environmental carrying capacity and socio-cultural values. As a result, Banten faces a serious environmental crisis, as evidenced by high emissions of air pollutants (PM2.5, SO2) and river water pollution by industrial waste. This study aims to analyze the negative impacts of this disorganized model and propose a comprehensive solution framework. This study formulates the Holistic Development Model (HDM). The HDM is a transformative solution that synergistically integrates three pillars: Modern Science (providing technology and data), the Ecosystem Approach (providing a systemic framework and nature-based solutions), and Local Cultural Values ​​(forming the basis of ethics and social motivation) through a Systematic Literature Review and Conceptual-Case Analysis. The implementation of MPH in case studies such as Integrated Coastal Management and Integrated Agriculture demonstrates that this integration produces high-yielding, equitable, and sustainable systems. In conclusion, MPH is a crucial strategy for Banten to shift from destructive development to equitable, resilient, and locally rooted development, making ecosystem health a key measure of success.

Waste management is an urgent environmental issue that requires active community participation. This study aims to analyze the speaking skills of members of the Sapu Lidi Community in Pekalongan during waste management discussions, a community that actively processes organic waste into valuable products such as eco-enzyme. Using a qualitative approach and an ethnographic case study design, this research explores speaking skills within its natural social context. Data were collected through in-depth interviews and non-participatory observation of community discussions, then analyzed using thematic analysis techniques. The findings show that the community members' speaking skills are characterized by fluent delivery, appropriate and credible word choice, and a persuasive, egalitarian, and humorous speaking style. Community members utilize rhetorical strategies such as humor, calls to action, and concrete evidence such as harvest results to build participation and environmental awareness among residents. The application of dialogic communication and the integration of verbal delivery with hands-on practice demonstrations proved effective in achieving the community's goals. Academically, this research contributes to environmental communication studies within grassroots communities. Practically, the findings can serve as a foundation for developing speaking skills training for volunteers in similar communities in other areas.

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.

Communal land in Kenagarian Tarantang has undergone conversion into tourism areas, bringing impacts on local environmental conditions. This study aims to explain the forms of communal land conversion into tourist areas, environmental conditions after conversion, and its impact on the environment in Kenagarian Tarantang. The research employed a quantitative associative approach involving 50 respondents randomly selected from 789 households. Data were collected through questionnaires, field observations, and interviews, then analyzed using simple regression analysis. The results showed that communal land conversion occurred intensively for homestay construction and tourism facilities with a total score of 1121 in the good category. Environmental conditions were generally well-controlled with a score of 983 in the very good category, although there were impacts such as reduced vegetation and decreased water quality. Regression analysis confirmed a significant influence between communal land conversion and environmental conditions at 18.49 percent with a significance value of 0.002. Community participation in maintaining the cleanliness of tourism areas was very good, however, stricter government supervision, reforestation programs, and adequate waste management are needed to prevent ecosystem degradation in the future.

Carbonate rocks are one of the most important geological resources with a significant role in various industrial sectors, particularly as the main raw material in cement, lime, and construction industries. This study aims to review the characteristics, quality, and industrial potential of three major carbonate rock types—limestone, dolomite, and marble—based on relevant scientific literature. The research employed a literature review method using a qualitative-descriptive approach through analysis and synthesis of previous studies. Data were collected from scientific publications addressing the mineralogical, chemical, and physical aspects of carbonate rocks and their implications for industrial performance. The findings indicate that the quality of carbonate rocks is largely determined by mineral composition (calcite and dolomite), chemical purity (CaO and MgO), and the presence of impurities such as silica, alumina, and iron oxides. High-purity limestone rich in calcite is identified as the most efficient raw material for cement and lime industries due to its stable processing behavior and lower energy requirements. Conversely, dolomite with high magnesium content requires process adjustments to prevent excessive MgO formation during calcination. Marble, both in natural and waste powder form, shows promising potential as a supplementary material in sustainable cement production. Overall, this study emphasizes that understanding the mineralogical and chemical variations of carbonate rocks is essential for optimizing their processing strategies and promoting sustainable industrial utilization 

Stunting remains a significant child health issue in Indonesia, particularly in Bulungan Regency, with prevalence rates demanding multisectoral interventions. Low socioeconomic factors play a crucial role in stunting incidence due to limited access to nutritious food and healthcare services. This community service aims to optimize rice waste, especially straw and husks, as alternative energy sources to empower local economies and prevent stunting in Sajau Hilir Village. A participatory method was employed through direct education and training involving the PKK women's group. The activities focused on socializing the processing of rice waste into economically valuable products such as rice husk charcoal briquettes and biosensitizers from rice straw. The results showed increased knowledge and skills among community members in converting waste into environmentally friendly and marketable alternative energy products. Utilizing rice waste not only reduces agricultural waste but also opens new economic opportunities sustainably and independently, strengthening family economic resilience and enhancing the ability to meet children's nutritional and healthcare needs. Thus, optimizing rice waste provides a strategic contribution to integrating environmental management and accelerating stunting reduction through local economic empowerment. Recommendations include strengthening community institutions, developing joint business units, and fostering collaboration between universities and local governments.

Waste management remains one of the major challenges in urban areas, including Rungkut Menanggal Subdistrict, Surabaya. Although two active waste banks already exist, community participation and the optimization of social and material assets remain limited. This community empowerment program aims to optimize local potential through the strengthening of social and material assets based on waste bank activities using the Asset-Based Community Development (ABCD) approach. This approach emphasizes the utilization of existing community strengths and resources to create sustainable social transformation. The program was carried out through five participatory stages: discover, dream, design, define, and destiny. The results show a significant improvement in the community’s capacity for household waste management. Residents were able to process approximately 100 kg of organic waste into compost and create creative products such as decorative bags made from plastic waste. Moreover, collaboration among local institutions such as Karang Taruna Arkidli, PKK, Posga Venus, Posga Bumi, and KSH increased, strengthening collective action in environmental management. This program demonstrates that the ABCD approach effectively enhances social capital, increases community participation, and generates both economic and environmental benefits. Waste bank management based on local asset empowerment can serve as a model for inclusive and adaptive community development in urban environmental contexts.

This Community Service Program aims to enhance the awareness, knowledge, and practical skills of teachers and students at SD Negeri 2 Palembang in carrying out independent waste management. The main issue identified was the lack of awareness and discipline in sorting organic and inorganic waste, which contributes to environmental pollution and poor hygiene within the school area. The program was implemented through lectures, interactive discussions, and hands-on training involving the use of separate bins for different waste types. The results demonstrated a remarkable improvement in waste management understanding and behavior. Teachers and students have developed new habits of waste sorting before disposal, resulting in a cleaner, healthier, and more pleasant school environment. Additionally, the activity inspired creativity in transforming inorganic waste into useful and economically valuable crafts that can be reused. Overall, this program fostered environmental awareness, strengthened community participation, and encouraged sustainable waste management practices as part of daily school culture.

The global environmental crisis caused by plastic pollution has intensified in recent years, particularly in aquatic ecosystems such as rivers, lakes, and oceans, creating an urgent need for effective and sustainable solutions. This article explores the potential role of aquatic bacteria in degrading plastic polymers by reviewing the biological and molecular mechanisms these microorganisms use to break down complex synthetic materials. Special attention is given to key genes and enzymes involved in plastic degradation, including PETase and MHETase, which play a critical role in the decomposition of polyethylene terephthalate (PET). In addition, the article highlights advanced gene expression and analysis techniques, such as metagenomics, transcriptomics, and proteomics, to better understand bacterial activity and degradation dynamics in natural environments. The main problem addressed is the continuous and unsustainable production and consumption of plastics, which has resulted in extensive pollution of freshwater and marine systems, while conventional waste treatment methods remain largely ineffective. The objective of this article is to provide a comprehensive scientific review of biotechnological approaches used to analyze and utilize aquatic bacteria for plastic degradation, focusing on molecular aspects and environmental applications. Using a literature review method, studies published between 2018 and 2024 were analyzed to evaluate effective bacterial models, technological challenges, and future prospects. The findings indicate that aquatic bacteria offer promising potential as biological tools for mitigating plastic pollution through sustainable environmental strategies.

Café retrorika is one of the cafes located in Batu City, Malang, which adopts a green marketing concept with a unique aesthetic touch, combining the concepts of “Retro” and “Eco-friendly”, where almost all of the café’s furniture and decorations are made from recycled materials, such as old windows, used motorcycle tanks, gas cylinders and rims, which are transformed into high-art decorative elements. Awareness of the importance of sustainable business is growing, including in the culinary sector. Cafes and restaurants now compete not only in terms of taste and service but also in their commitment to environmentally friendly concepts. Moreover, today’s consumers are increasingly selective in choosing places to eat that support local products, use environmentally friendly materials, and strive to reduce plastic waste. This is one of the reasons for building cafes with different concepts, as done by the owner and founder of Retrorika café. This study uses a qualitative approach with a case study research type. Data collection techniques include participant observation, interviews and documentation. The result show that Retrorika café was built based on the personal idealism of its owner as a green movement activist, rather than market calculations. The café’s “Retro” identity serves as physical evidence of sustainability practice through the use of used furniture while also creating a nostalgic experience. Its marketing strategy focuses on education through the Re-dukaci program, Retrorika goes to Halokes and Sa-Si-Su as an effort to prove the authenticity of green practices and mitigate greenwashing. These results can be concluded that the founder’s passion shapes the Green Corporate Identity and becomes a source of sustainable competitive advantage that is difficult to imitate.

Air pollution is an increasingly serious environmental issue in major cities, including Serang City. The decline in air quality due to motor vehicle emissions, industrial activities, waste incineration, and the reduction of green open spaces harms public health and the environment. Polluted air can cause respiratory problems, reduce the quality of life, and threaten urban ecosystems. This study aims to analyze the level of knowledge, perceptions, and behaviors of Serang City residents regarding air pollution, as well as assess their support for air pollution control policies. The methods used include a mixed-method approach through questionnaires, in-depth interviews, and participatory observation. The results of the study show that the community has a good understanding of the sources of air pollution, particularly vehicle and industrial emissions. They are also aware of the impact of pollution on health, especially for children and the elderly. However, the implementation of protective behaviors such as wearing masks is not yet consistent. Some positive behaviors have begun to develop, such as not burning trash and planting plants at home. Support for pollution control policies is also high. This study emphasizes the importance of continuous education, law enforcement, and collaboration between the government, society, and environmental communities in efforts to mitigate air pollution in Serang City.  

The increasing snack consumption trend in Indonesia, along with the availability of processed snacks that are high in sugar, fat, and sodium but low in fiber, poses a significant challenge to digestive health. More than 40% of the global population experiences digestive disorders, often related to unhealthy eating patterns and low fiber intake. In response to this issue, an innovative healthy snack called TaroStik, made from taro vines (Colocasia esculenta) rich in fiber and nutrients, has been developed. This product comes in two forms, sticks and chips, with three flavor variants (salty, sweet, and spicy), offering a healthy snacking experience without sacrificing taste. Training on utilizing taro vines to create TaroStik was conducted in Banjarbaru, involving prospective entrepreneurs with a combined approach of theory, hands-on practice, and group discussions. Participants were trained from material selection, processing (peeling, soaking, steaming, frying), packaging, to social media marketing simulation. As a result, most participants were able to independently produce TaroStik, with some expressing intentions to continue production at a home scale. TaroStik not only provides a digestive health solution through natural snacks free of preservatives but also brings positive impacts in three areas: economy (creating business opportunities based on local ingredients), environment (reducing agricultural waste), and nutrition (increasing healthy food consumption). This innovation embodies the principles of green economy and sustainable entrepreneurship, opening new business opportunities and improving community welfare.

The increasing snack consumption trend in Indonesia, along with the availability of processed snacks that are high in sugar, fat, and sodium but low in fiber, poses a significant challenge to digestive health. More than 40% of the global population experiences digestive disorders, often related to unhealthy eating patterns and low fiber intake. In response to this issue, an innovative healthy snack called TaroStik, made from taro vines (Colocasia esculenta) rich in fiber and nutrients, has been developed. This product comes in two forms, sticks and chips, with three flavor variants (salty, sweet, and spicy), offering a healthy snacking experience without sacrificing taste. Training on utilizing taro vines to create TaroStik was conducted in Banjarbaru, involving prospective entrepreneurs with a combined approach of theory, hands-on practice, and group discussions. Participants were trained from material selection, processing (peeling, soaking, steaming, frying), packaging, to social media marketing simulation. As a result, most participants were able to independently produce TaroStik, with some expressing intentions to continue production at a home scale. TaroStik not only provides a digestive health solution through natural snacks free of preservatives but also brings positive impacts in three areas: economy (creating business opportunities based on local ingredients), environment (reducing agricultural waste), and nutrition (increasing healthy food consumption). This innovation embodies the principles of green economy and sustainable entrepreneurship, opening new business opportunities and improving community welfare.

This study examines the implementation of Green Disaster Management (GDM) policies by the Surabaya City Disaster Management Agency (BPBD) as a means to enhance disaster resilience through environmental sustainability. The research analyzes the integration of GDM principles across all phases of the disaster cycle pre-disaster, during response, and post-disaster recovery. Data was collected through in-depth interviews with key informants, participant observation, and document analysis at BPBD and pilot project sites, including mangrove conservation areas, green emergency posts, and eco-friendly reconstruction sites. The findings indicate that Surabaya has demonstrated significant commitment to embedding sustainability into disaster management through community education, environmentally friendly logistics, and eco-based mitigation measures. Nonetheless, challenges persist, such as limited funding, resistance from developers, logistical constraints, and societal perceptions favoring immediate response over environmental considerations. During disaster response, innovations such as solar-powered emergency equipment and waste segregation practices are being adopted, but their widespread application remains hampered by resource limitations. Post-disaster, efforts in eco-friendly reconstruction and reforestation programs have shown promising results but require enhanced public awareness and long-term maintenance. The success of GDM implementation depends on effective inter-agency coordination, political commitment, and community engagement. Despite progress, hurdles related to budget constraints, social resistance, and knowledge gaps fully hinder the adoption of green approaches. This study highlights the importance of strategic collaboration, policy support, and community participation to mainstream sustainability in disaster management continuously. Strengthening these aspects will not only improve Surabaya's disaster resilience but also contribute to sustainable urban development aligned with global frameworks such as the Sendai Framework for Disaster Risk Reduction.

Food waste generated from the household sector is one of the largest contributors to environmental degradation in Indonesia. Food waste generated from the household sector is one of the main contributors to the increasing volume of organic waste in Indonesia. This issue not only creates social and economic problems but also poses a serious threat to environmental sustainability. This study aims to analyze the contribution of household food waste to environmental degradation and to review sustainable management strategies. This study employs a Systematic Literature Review (SLR) method guided by the PRISMA 2020 Statement to review relevant national research conducted during the period 2018-2025. The results of the literature selection show that the impacts of household food waste on environmental sustainability can be categorized into three main dimensions: (1) ecological impacts, including pollution and the increase of greenhouse gas emissions; (2) resource impacts, such as the wastage of energy, water, and land; and (3) social-environmental impacts, including the increasing burden of regional waste management and the declining quality of life for communities living near landfills. The findings emphasize that the management of household food waste plays a crucial role in achieving environmental sustainability, particularly in supporting the attainment of Sustainable Development Goal (SDG) 12, which focuses on responsible consumption and production. Therefore, it is necessary to implement strategies of reduction, reuse, and recycling of food waste at the household level to minimize the negative impacts on environmental sustainability in Indonesia.

This study is an experimental research with a descriptive qualitative approach aimed at developing innovative hair styling in the form of fantasy buns made from rice straw waste as an environmentally friendly creative expression. The research was conducted through direct experimentation in creating fantasy hair buns using rice straw, followed by product feasibility and aesthetic assessments. The feasibility test was carried out by expert validators using the expert judgement method, while a public test was conducted to measure the level of interest and acceptance of the community through questionnaires distributed via Google Form. The results indicate that rice straw is suitable as an alternative material for creating fantasy hair buns due to its strong texture, easy shaping properties, and the ability to produce unique and artistic visual effects. These findings are expected to contribute to the utilization of agricultural waste into creative and valuable products in the field of hair styling.