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This study aims to formulate effective promotional strategies to increase the popularity of Lae Pinang Waterfall as a potential natural tourism destination in Pakpak Bharat Regency. Despite its natural beauty and rich cultural value, this destination remains relatively unknown due to the lack of targeted promotional efforts and underdeveloped supporting infrastructure. This research employs a descriptive qualitative approach, utilizing data collection techniques such as interviews, observations, and document analysis. Key informants include the Department of Tourism, local communities, tourism business actors, and visitors. The findings indicate that effective promotional strategies involve the use of social media, the development of creative content based on local culture, increased collaboration among stakeholders, and improvement of tourism facilities and infrastructure. Through analysis, it is concluded that Lae Pinang Waterfall has strengths in its natural charm and pristine environment but faces challenges related to accessibility and limited digital promotion. Therefore, an integrated promotion strategy with a focus on digital marketing is essential to enhance tourist appeal and support the sustainable economic development of the local communit

Kelapan Island, located in Kumbung Village, has great potential as a sustainable tourism destination. Natural beauty, biodiversity, and unique local culture are the main attractions. This study aims to analyze the potential and development strategies of Kelapan Island as a sustainable tourism destination. The method used is a qualitative descriptive method including field observation, interviews with local people, and literature analysis. The results of the study indicate that community-based management, environmental conservation, and effective promotion can increase tourist attractions without damaging the ecosystem. In conclusion, Kelapan Island has great potential to develop as an economically profitable and sustainable ecotourism destination.

Waste management, particularly organic waste, remains a significant environmental challenge in Indonesia, with household and school waste being major contributors. This community service initiative, conducted by the Dharma Sevavigyana Community of Universitas 17 Agustus 1945 Semarang, aimed to enhance ecological awareness among high school students through the production of eco-enzyme liquid soap. The program, held at SMA Negeri 16 Semarang, combined conceptual education with practical training to teach students how to transform organic waste into eco-enzyme, a valuable and environmentally friendly product. The activities included presentations on waste management issues, hands- on soap-making workshops, and interactive evaluations using digital platforms like Kahoot. The results showed a significant increase in students' understanding and enthusiasm for eco-enzyme applications, as well as improved teamwork and communication skills. The initiative successfully demonstrated the potential of experiential learning in fostering environmental stewardship among students, encouraging them to become active participants in sustainable waste management practices. This program highlights the importance of integrating environmental education into school curricula and serves as a model for similar initiatives across Indonesia.

The issue of waste management remains one of the significant environmental challenges in Indonesia, mainly due to the lack of awareness and understanding from an early age. This article discusses the implementation of a community service program through innovative interactive learning using educational games "Reresik" and "Bersihkan Sampah di Laut" designed to enhance elementary school students' interest and understanding of waste management. The implementation method includes teacher training, the introduction of waste material, the application of educational games, and the evaluation of program effectiveness through satisfaction surveys. The results indicate that game-based learning methods significantly increase student enthusiasm, simplify understanding, and foster positive habits in maintaining environmental cleanliness. Moreover, the training provided to teachers improved their ability to integrate educational technology into the learning process. This program is expected to serve as a sustainable innovative learning model to raise environmental awareness among younger generations.

This article examines the crucial role of eco-leadership in achieving a sustainable and environmentally friendly economy, particularly within the dynamic context of the digital age and industry 4.0. In this era, the pressure on companies to integrate environmentally friendly initiatives into their corporate social responsibility (CSR) programs is increasing, supported by government policies and regulations in Indonesia. This article highlights that the effectiveness of environmental protection and sustainable corporate performance can be measured through various practices such as waste management, pollution control systems, recycling, and environmental impact mitigation. In conclusion, environmentally oriented leadership plays a central role in promoting more responsible business practices and behaviors, which are essential for reaching sustainability targets and realizing an economy that is not only financially profitable but also responsible for environmental preservation.1

Aquaculture is a vital sector in global food production, providing essential protein sources. However, the industry faces significant challenges, including high energy consumption and environmental impact. The integration of renewable energy, particularly solar power, with automation and IoT systems offers a promising solution to enhance energy efficiency, sustainability, and productivity in aquaculture operations. This study aims to evaluate the effectiveness of solar powered autonomous systems in reducing energy usage, improving operational efficiency, and promoting environmental sustainability in aquaculture. Literature Review: Recent research has explored various technologies, such as Digital Twins (DTs) and Precision Fish Farming (PFF), which integrate IoT sensors for real time monitoring and optimization of fish farming operations. The combination of Artificial Intelligence (AI) and the Internet of Things (IoT), known as AIoT, has further advanced the industry by enabling automated decision making and predictive analytics. Solar power integration with IoT systems has been shown to significantly reduce operational costs, minimize carbon emissions, and enhance the sustainability of aquaculture practices. These advancements have the potential to address the challenges of energy consumption and environmental degradation in the industry. Materials and Method: This research utilizes a hybrid solar powered IoT system for aquaculture, integrating solar panels, IoT sensors, and automated control systems. The system monitors key water quality parameters, such as pH, dissolved oxygen, turbidity, and temperature, to maintain optimal conditions for aquatic life. Data is collected through IoT sensors and analyzed through a cloud-based platform. A pilot study is conducted on a small scale aquaculture farm to evaluate the system's performance, including energy consumption, water quality management, and fish health. Energy savings, operational efficiency, and environmental impact are assessed. Results and Discussion: The integration of solar powered IoT systems significantly reduced energy consumption compared to traditional systems, with a notable decrease in grid electricity reliance. The system successfully maintained optimal water quality conditions, enhancing fish health and growth. Solar powered systems proved reliable, even in regions with variable sunlight, and demonstrated improvements in operational efficiency through automation. The environmental benefits were evident, with a reduction in carbon emissions and lower operational costs. The study highlights the feasibility of solar powered IoT systems as a sustainable solution for modern aquaculture operations.

The integration of solar powered IoT irrigation systems in precision agriculture offers a sustainable solution to address water scarcity and enhance crop productivity. By leveraging real time data from soil sensors, weather APIs, and machine learning algorithms, these systems optimize irrigation schedules and improve water use efficiency. This research explores the potential of integrating renewable energy sources, such as solar power, with edge computing in smart irrigation systems to promote sustainable agricultural practices. The study aims to evaluate the performance of the proposed system in terms of water savings, crop yield, energy efficiency, and adaptability to varying climate conditions. Literature Review: Previous studies highlight the importance of smart irrigation systems in reducing water waste and improving crop yield through real time monitoring and automated decision making. However, existing systems often lack the integration of renewable energy and edge computing, which are critical for ensuring sustainability and operational efficiency in rural agricultural settings. The combination of renewable energy with IoT devices offers a promising solution to reduce energy costs and carbon emissions, while edge computing enhances real time data processing, ensuring prompt and accurate irrigation adjustments. Materials and Method: The proposed system integrates solar powered IoT devices, soil moisture sensors, weather data APIs, and edge computing devices to manage irrigation. Machine learning algorithms and evapotranspiration models are used to predict irrigation needs and optimize scheduling based on real time data. The system's performance is evaluated through metrics such as water savings percentage, crop yield improvements, and energy consumption, with a comparative analysis against traditional irrigation methods. Results and Discussion: The results indicate that the system successfully reduces water usage by 30% to 40%, increases crop yield by 25%, and operates with energy autonomy, powered entirely by solar energy. The system's adaptability to varying climate conditions ensures optimal crop growth, even under environmental stresses. The integration of renewable energy and edge computing significantly enhances the sustainability and efficiency of irrigation systems.

Oil palm plantations are a strategic sector in economic development in North Sumatra, Indonesia. This study aims to analyze the economic and ecological impacts of oil palm plantation expansion and evaluate the balance between benefits and disadvantages caused. The descriptive qualitative method is used by utilizing secondary data from the Central Statistics Agency, environmental organization reports, and academic studies. The results show that the expansion of oil palm plantations makes a significant contribution to increasing regional income and job creation. However, land expansion without sustainable management leads to deforestation, loss of biodiversity, deterioration of the quality of water resources, and microclimate and local weather changes. To overcome these challenges, sustainable management policies that integrate agroforestry principles and strict supervision are needed to maintain a balance between economic development and environmental conservation.

This study discusses the architectural transformation of Pasar Johar Semarang before and after the major fire incident in 2015. Designed by architect Thomas Karsten, Pasar Johar holds significant historical and architectural values. The fire prompted a comprehensive revitalization of the market’s environment, site, and building while maintaining its original character. This research employs an architectural anatomy approach covering three main scopes: environment, site, and building, and uses a qualitative descriptive-analytical method through four stages: (1) documenting conditions before and after the fire, (2) classifying architectural elements, (3) comparing visual and structural transformations, and (4) drawing conclusions based on the analysis to evaluate the extent of the transformation. The results show that the revitalization made the area more organized, functional, and sustainable. Distinctive structures such as mushroom columns and drainage systems were preserved, while zoning and public spaces were reorganized to improve efficiency and comfort. This restoration not only improved physical aspects but also strengthened the market’s social function as a community interaction space. Pasar Johar now serves as an example of a traditional market that can adapt to modern urban challenges without losing its architectural identity and its potential as a sustainable economic and social hub.

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.

Food safety is a fundamental aspect in the culinary industry that plays a direct role in consumer health and business sustainability. However, culinary Micro, Small, and Medium Enterprises (MSMEs) often lack understanding of the importance of food safety standards and good sanitation practices. This community service activity aims to increase the awareness, knowledge, and skills of culinary MSME actors in implementing food safety principles as a whole. The methods used include theoretical and practical training, intensive assistance, and improvements to hygiene supporting facilities and infrastructure. A participatory and comprehensive approach is applied to ensure the active involvement of MSME partners in every stage of activities. This activity has significantly improved partner understanding, with pre-test and post-test scores showing an increase of 35%. As many as 90% of partners are able to demonstrate hygiene practices that meet standards, such as the use of personal protective equipment, raw material management, and sanitation of the work environment. In addition, the consumer satisfaction survey showed that 85% of respondents felt an improvement in the quality of culinary products after business actors implemented food safety principles. These results reflect the success of activities in forming a sustainable hygiene culture among culinary MSME actors. The holistic approach applied has proven to be effective in changing behavior and improving hygiene practices of business actors. This activity not only has an impact on improving product quality and consumer trust, but also strengthens the competitiveness of culinary MSMEs in a market that increasingly demands high quality standards. Thus, this community service makes a real contribution to strengthening the capacity of culinary MSMEs through the implementation of sustainable food safety.

The utilization of clam shells as adsorbents has attracted considerable attention due to their ability to adsorb contaminants such as heavy metals, hazardous substances, and oil. Clam shells, which are composed mainly of calcium carbonate (CaCO₃), possess a porous structure that favors adsorption. Calcium carbonate imparts alkaline properties that neutralize acidic effluents and promote the formation of precipitates. Physical and chemical modifications can enhance the surface area and porosity of the shell, thereby enlarging the active sites for contaminant sorption. Clam shells heavy metals such as Pb, Cd, Hg, organic substances and can be used for oil spill remediation due to their hydrophobic and oleophilic properties. The calcination process converts the shells into a material that contaminants such as TSS, COD, and BOD. This utilization not only mitigates pollution but also creates opportunities for adsorbent products with economic value, especially in coastal areas where shell waste is abundant. However, this application must take into account ecological and health impacts, as overharvesting and non-environmentally friendly processing can damage the ecosystem. A sustainable approach with environmentally friendly regulations and technologies is essential to maximize the benefits of clam shells as adsorbents.  

This study aimed to evaluate the effect of compost fertilizer and potassium chloride (KCl) fertilizer, as well as their interaction, on the growth and yield of sweet corn (Zea mays saccharata Sturt). The experiment was conducted from May to August 2022 in Kuning Village, Bambel District, Southeast Aceh, using a factorial randomized block design with two factors: compost dosage (480 g/plot, 960 g/plot, 1,440 g/plot) and KCl dosage (20 g/plot, 40 g/plot, 60 g/plot), each replicated three times for a total of 27 plots. Observed parameters included plant height, stem diameter, leaf area, days to flowering, ear length, and ear weight per plot. Results indicated that compost and KCl fertilizers significantly affected plant height, leaf area, days to flowering, and ear length, but had no significant effect on stem diameter or ear weight per plot. The interaction between compost and KCl produced the highest plant height (165.89 cm) and ear length (21.69 cm) in treatment K3C1. The findings suggest that optimal fertilization using compost and KCl can enhance sweet corn productivity by improving vegetative growth and reproductive development. Nevertheless, the absence of significant effects on stem diameter and ear weight per plot indicates that nutrient balance, especially nitrogen (N) and phosphorus (P), remains crucial for maximizing yields. Therefore, integrating compost and KCl with complementary sources of macronutrients could promote more consistent outcomes. This research also highlights the role of organic matter in enriching soil fertility, maintaining soil structure, and supporting sustainable agriculture. The combination of organic and inorganic fertilizers demonstrates the potential for eco-friendly crop management practices that balance productivity with environmental responsibility. These results provide valuable insights for farmers, agronomists, and policymakers in developing efficient fertilization strategies for sweet corn cultivation within local conditions.

The revitalization of urban heritage areas in Indonesia, exemplified by Panggung Street in Surabaya, faces multifaceted challenges encompassing the preservation of historical character, socio-economic enhancement, and the creation of inclusive public spaces. Current revitalization efforts often misalign with the area’s authentic features such as inappropriate facade treatments while neglecting accessibility for vulnerable groups and failing to foster effective collaboration among stakeholders. This study employs a descriptive qualitative case study approach, synthesizing field observations, in-depth interviews with local actors, comprehensive literature reviews, and precedent analyses of Braga Street in Bandung and heritage zones in Malacca. Data were analyzed using SWOT and root cause analysis to identify systemic barriers and leverage opportunities, while comparative-historical interpretation contextualized Surabaya’s urban identity. Triangulation ensured methodological rigor and validity. The research culminates in a holistic revitalization framework emphasizing three key strategies: restoration of authentic architectural features, including original colors and ornamentation, enhancement of inclusive infrastructure, such as accessible pedestrian pathways and universal signage and active community participation through workshops and cultural initiatives like the Kya-Kya night market. This integrated approach not only preserves the area’s historical integrity but also fosters social cohesion, economic vitality, and collective pride. The study demonstrates that combining heritage conservation with inclusive design principles can transform urban spaces into dynamic, accessible, and sustainable environments. The findings offer valuable insights for other Southeast Asian cities facing similar heritage revitalization challenges.

This research discusses the application of Islamic economic principles during the leadership of Al-Khulafa' Al-Rasyidin, namely Abu Bakar Ash-Shiddiq, Umar bin Khattab, Uthman bin Affan, and Ali bin Abi Talib. The focus of the study lies on the application of sharia values such as justice, honesty, zakat, and wealth distribution in economic policy and governance. The study found that the caliphs consistently implemented Islamic economic principles in state financial management, zakat collection and distribution, market supervision, and protection of property rights. Such implementation proved the effectiveness of the Islamic economic system in creating social justice and public welfare. The application of Islamic economic principles in financial management has an important role because it provides a strong ethical and moral basis, supports the creation of a sustainable economy, and emphasizes justice in the distribution of wealth in society. These principles serve as guidelines for individuals to manage their finances wisely so as to bring benefits not only to themselves, but also to their social environment. By applying these values, wealth inequality can be prevented and a stable and fair economic system can be built. Islamic economics also emphasizes the importance of transparency and honesty in every financial transaction. By avoiding unethical practices such as usury and excessive speculation, individuals can maintain integrity and create a financial system that is aligned with moral values. In addition, Islamic economic principles contain a high value of social responsibility, reflected in the teachings on Zakat, Infaq, and Sadaqah which encourage individuals to participate in social development and help those in need. Therefore, managing personal finances based on these principles not only ensures individual financial sustainability, but also has a positive impact on the well-being of society at large.

This study aims to reveal parenting strategies in shaping the character of Christian children's faith amidst the challenges of the modern era. Using a descriptive qualitative approach and data collection techniques through observation, interviews, and documentation, this study was conducted in a local church environment. The findings show that Christian parents implement three main strategies, namely: exemplary living based on the teachings of Christ, spiritual discipline through family worship activities, and creating quality time with children. Despite facing challenges such as busy work, the influence of digital media, and inconsistent behavior, most parents still try to evaluate themselves and maintain the values ​​of faith in the household. Effective parenting is not only instructional, but also relational and spiritual, emphasizing the importance of the role of parents as real life role models. The results of this study are expected to be a reference for churches, Christian schools, and parent communities in developing strategies for fostering children's faith in a sustainable manner amidst the dynamic development of the era.

The purpose of this community service program is to improve the technical skills of residents of Roworejo Village, Grabag, Purworejo, in the field of motorbike washing and car detailing. Improving technical skills to wash motorbikes and detail vehicles according to professional standards and the application of technology that supports business sustainability through a water recycling system is the main focus of the activity. This activity is carried out by providing theoretical training on basic vehicle detailing techniques, as well as direct practice such as washing, body care, polishing, and the use of detailing tools. Participants are also educated on how to use and maintain a water recycling system when running a business. The results of the activity showed that 78% of participants succeeded in applying the principles of environmentally friendly technology in business practices. In addition, 85% of participants were able to master the basic techniques of washing motorbikes and detailing vehicles according to training standards. It is hoped that this activity will help sustainable village economic development and open up new skills-based business opportunities.

Education plays a crucial role in developing quality human resources, with one of the key aspects being the enhancement of students' interest in reading and literacy skills. However, fostering a reading culture among elementary school students remains a significant challenge, particularly at SDN Cilangkara 02, and which lacks a proper library. In response, the 2025 Cilangkara Village Community Service Program (KKN) students implemented the "Literacy Corner" initiative, which aimed to provide a simple, comfortable, and accessible reading space. This program adopted a participatory and educational implementative approach, involving teachers, students, the literacy community, and university students. Activities included conducting a needs assessment, collecting book donations, constructing and decorating the literacy corner, organizing the reading space, and holding an inauguration event. The results of the program showed a notable increase in students' interest in reading, as well as the development of a habit of interacting with books. Moreover, it helped cultivate a literacy culture within the school environment. Despite facing challenges such as limited books, inadequate funding, and students' distraction by gadgets, the program succeeded in achieving a positive impact. It not only contributed to improving literacy and character building but also fostered a sustainable reading culture at SDN Cilangkara 02

This journal discusses the role of Islamic education management in educational institutions and how to develop them. This research uses qualitative methods, with data collection through observation, interviews, and in-depth literature review. The main findings of this study involve various important components in educational management, including curriculum management, human resources, infrastructure, financing, public relations, and special services. One of the educational institutions analyzed, MAN 4 Bantul, identified four main points in the development of educational institutions. First, the use of the independent curriculum to provide freedom in the learning process; second, the application of Islamic character to shape students' morals; third, increasing individual worship and faith to always be grateful according to Islamic teachings; and fourth, developing branding through information management in the field of public relations. In addition, MAN 4 Bantul also improves the quality of human resources through learning innovation workshops for educators. The results of this study indicate that Islamic education management integrated with religious principles can create a more effective, relevant, and sustainable learning environment, as well as strengthen the competitiveness of educational institutions in the digital era.

The many negative effects on the use of chemical-based medicine have made researchers increasingly interested in looking for alternative natural ingredients that have high therapeutic potential and minimal side effects. One of the plants that is often used as a medicinal ingredient is cardamom (Amomum cardamomum L.), which comes from the Zingiberaceae family. Cardamom has been widely used by the community as an aromatic, carmimental (reducing gas in the stomach), cough medicine, mouth freshener, and various other traditional medicines. The content of bioactive compounds such as alkaloids, flavonoids, tannins, and saponins in cardamom is believed to play an important role in providing pharmacological effects. This study aims to analyze the bioactivity level of toxicity of cardamom leaf ethanol extract against shrimp larvae Artemia salina L. using the Brine Shrimp Lethality Test (BSLT) method and determine the LC₅₀ value as a toxicity parameter. The research method used an experimental quantitative approach with six treatment concentrations, namely 25 ppm, 50 ppm, 100 ppm, 200 ppm, 500 ppm, and 1000 ppm, as well as one negative control. Each treatment was replicated five times to get accurate results. A total of 350 Artemia salina larvae were used, with 10 larvae for each concentration test. Larval mortality was calculated after 24 hours of treatment to determine the potential toxicity of the extract. In addition to laboratory research, community service programs are carried out to increase coastal communities' understanding of the use of cardamom leaves for pond shrimp larvae. This education is important because the results of the research are expected to be the basis for the use of natural materials that are safer, more environmentally friendly, and sustainable in the management of shrimp ponds.