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Chili (Capsicum annuum L.) is a high-value horticultural commodity, but its productivity is often hampered by factors such as soil conditions, climate, pests and disease. The use of plastic mulch, especially the black-silver type, can increase chili yields by 25–40% through weed control, maintaining soil temperature, and reducing evaporation. Although initial costs are relatively high, significant yield increases can offset those costs. However, the resulting plastic waste is an environmental problem, so biodegradable mulch can be a more environmentally friendly alternative. This research uses a literature review method to collect and evaluate information from various relevant sources regarding the application of plastic mulch in increasing chili productivity. With proper management, plastic mulch can support increased chili yields and agricultural sustainability.

The presence of heavy metals in waste is one of the variables that can pollute and damage the environment. Lead is one of the chemical contents that can be found in hospital liquid waste. Hospital liquid waste comes from work unit processes throughout the hospital environment which contains dangerous chemicals so it needs to be processed before being discharged into the environment. Research has been carried out using the coagulation-flocculation method using sugar palm seeds as a biocoagulant. The aim of this research is to find out how the palm seed coagulant mass influences in reducing lead (Pb) levels. hospital wastewater with the addition of variations in coagulant mass, namely 0.3%, 0.4%, 0.5%, 0.6% and 0.7%. From the filtrate resulting from coagulation-flocculation which was then analyzed based on the Regulation of the Minister of Environment and Forestry of the Republic of Indonesia Number P.68 of 2016 concerning Domestic Wastewater Quality Standards, from the results of this research it is known that sugar palm seeds as a biocoagulant are able to reduce the most optimal PB concentration when the coagulant concentration is added to 0.6%.

Food waste is becoming an increasingly significant global issue along with food loss and waste, consumers throw away 31% of the food they have purchased, a third of the total food produced globally or around 1.3 billion tons of food that can be consumed including fresh vegetables, fruit. , meat, bread and dairy products are lost along the supply chain. Food waste has many negative social, economic and environmental impacts. The household sector is one area that contributes to a significant amount of food waste. Household behavior is considered the biggest contributor to food waste. wasted (Food Waste), behavior shows significant differences in producing food waste produced by households, Sanggau Regency also experiences problems with food waste, this cannot be separated from the geographical conditions of the area which borders directly with the Malaysian region which makes the mobility of goods difficult. easier, thus making the community's consumptive factor increase as evidenced by the continued increase in public demand for food products produced by the people of Sanggau Regency every year. This research aims to identify household consumption behavior regarding the behavior of throwing away food (food waste) in border areas of the Regency. Sanggau and determine the influence of socio-demographic, socio-economic factors and household consumption behavior on food waste behavior in the border areas of Sanggau Regency. The research method used in this research is descriptive statistics. The sample in this study was 100 respondents representing households. The variables in this research are divided into two, namely respondent characteristics and household behavior. The results of the research show that the average food waste behavior in households refers to the characteristics of respondents such as age, gender, occupation, income, expenditure and number of family members as well as tendencies or behavioral patterns of household members in producing, managing and using food. causes food to be wasted in an inefficient manner. Food waste behavior covers various aspects, including purchasing, storing, preparing and consuming food.

This research aims to develop the potential of ecotourism based on local wisdom in the mangrove forest area of Tapak, Semarang City. The methods used include field observation, interviews with local stakeholders, and qualitative data analysis. The results show that local wisdom plays an important role in managing the mangrove ecosystem and improving community welfare. Traditional practices applied by the local community are effective in maintaining environmental balance and addressing threats of abrasion and pollution. The Tapak mangrove area faces significant challenges, including coastal erosion and industrial waste pollution, which threaten the ecosystem's sustainability. However, the local community has developed various initiatives based on local wisdom for mitigation and conservation. Collective mangrove planting, the use of natural materials in pond management, and the implementation of zoning systems are some practices that have shown positive results. The development of ecotourism in this area not only has the potential to increase local income but also to strengthen environmental awareness among the community and visitors. Recommendations from this study include enhancing community capacity in ecotourism management, strengthening zoning systems, and promoting ecotourism based on local wisdom. Training and empowering the community in aspects of tourism guidance and sustainable resource management are key to ensuring the long-term success of this ecotourism. Therefore, sustainable and community-based ecotourism management strategies need to be continuously developed and supported by various parties to preserve the mangrove ecosystem and improve the welfare of the local community.  

Globalization affects the fast-moving aspects of industrialization both at the central and regional levels, accompanied by the dynamics of the development process. Lakardowo Village is one of the villages in Mojokerto Regency, East Java Province. In this village there is a hazardous and toxic waste processing industry managed by PT.PRIA which was established based on the recommendation of the Mojokerto Regent Decree in 2017. The licensing for this environmental permit has had a negative impact, namely conflict between the Lakardowo village community and the company, the Mojokerto district government, and the pro-company community. In addition, another impact of this waste treatment activity is the source of water pollution and disease in the communities living in the factory area. This article attempts to analyze the chronological sequence and forms of conflict as well as the factors that cause conflict in Lakardowo village. The research method in this article is qualitative research. The findings in the field show that the conflict has occurred for many years and experienced various dynamics of conflict forms both horizontally and vertically.

This study evaluates the impact of an AI-driven nutritional monitoring system in hospital settings, focusing on its effectiveness in reducing food waste and improving the accuracy of dietary assessments. Traditional food waste management and nutritional tracking methods in hospitals often suffer from inefficiencies, inaccuracies, and time constraints. In contrast, the AI-based system utilizes advanced technologies, including 3D scanners, digital scales, and image recognition, to optimize food production, minimize waste, and provide more accurate and timely nutritional assessments. The results of this study show a 31% reduction in food waste and a 40% improvement in the accuracy of nutritional assessments after implementing the AI system. This system enhances meal planning, portion control, and real-time tracking of food intake, offering personalized recommendations based on patient needs. The AI system also streamlines the nutritional assessment process, reducing labor-intensive procedures and providing real-time feedback to clinicians, which helps improve patient care and reduce errors associated with traditional methods. Furthermore, the environmental and financial implications of adopting AI technologies in healthcare are significant. The reduction in food waste not only helps lower hospital costs but also contributes to sustainability goals by reducing resource consumption, including water, land, and energy. This study underscores the potential of AI-driven systems to improve healthcare operations, support sustainability, and enhance patient outcomes. Future research should focus on expanding the application of AI in other healthcare sectors and further exploring its integration with other technologies for comprehensive healthcare solutions.

In the era of globalization and intense business competition, the quality of products and services is crucial for competitiveness, particularly for Micro, Small, and Medium Enterprises (MSMEs) like Angkringan, a traditional culinary business in Indonesia. The article explores Total Quality Management (TQM) as a strategy for these businesses to enhance operational efficiency, reduce waste, and improve customer satisfaction. The study involved direct interviews with the owner of Angkringan D’Amerta to analyze TQM application covering quality control procedures, customer satisfaction, and continuous improvement. Results indicated a deeper understanding of customer preferences and the importance of maintaining quality standards through the training of staff and development of operational procedures. The findings suggest that effective quality management can significantly enhance business performance and customer engagement in the digital era. The paper advocates for routine training, implementation of standard operating procedures, and regular quality assessments to ensure consistent service and product quality.

The purpose of this research is to find out the Participation of Traders in the Waste Management of the Laino Central Market of Muna Regency City. This research uses several methods of Porposive Sampling techniques. The slovin formula is used to determine the number of samples that will be studied, and qualitative descriptive analysis is used to analyze the market waste management system, the behavior of traders carried out by collecting data through observation, interviews, documentation. Based on the results of this study, it can be concluded that the Participation of Traders in the Waste Management of the Laino Central Market of Muna Regency with a medium participation criterion of 61,44 %. This can be seen from the articipation of traders such as providing garbage containers at the sales location, collecting waste directly to the temporary disposal site, easy to reach the temporary disposal location, on time in paying dues, cleaning garbage before and after trading, approving people who dispose of garbage correctly. While the rest with a low criterion of 38.55% shows the lack of Participation of Traders in Market Waste Management in terms of attending meetings to discuss hygiene issues, and a joint evaluation of the cleanliness of the Market Environment.

This research investigates the potential of integrating waste heat recovery and geothermal exchange within district heating systems as a carbon-neutral energy solution tailored to tropical urban settings. Tropical climates present unique challenges for heating, ventilation, and air conditioning (HVAC) systems, including high humidity, temperature fluctuations, and increasing energy demands, particularly for cooling. This study aims to address these challenges by proposing a hybrid district heating system that combines renewable energy sources to improve energy efficiency and reduce carbon emissions. The methodology includes thermal and hydraulic modeling, performance simulation of the hybrid system under tropical climate conditions, and emission and energy efficiency analysis. The results indicate that the hybrid system significantly reduces energy consumption and carbon emissions compared to traditional heating systems, with waste heat recovery optimizing energy use and geothermal exchange enhancing system efficiency. The comparison with conventional systems and other environmentally friendly alternatives reveals that the hybrid system offers a cost-effective, sustainable solution for tropical urban areas. The study concludes that integrating waste heat recovery and geothermal exchange is feasible and can contribute to the creation of carbon-neutral cities. Future research should focus on optimizing geothermal systems in tropical climates and exploring further integration with other renewable energy sources to enhance system performance and sustainability.

Microplastic pollution, particularly from textile waste, has become a significant environmental concern, especially in urban runoff systems. These pollutants pose a considerable threat to water quality, aquatic life, and human health. Traditional wastewater treatment methods often fall short in addressing the complexities of microplastic contamination. This research explores the integration of advanced biodegradable polymer coatings with solar-powered textile waste treatment to reduce microplastic pollution in urban runoff systems. Biodegradable polymers, such as polylactic acid (PLA) and polyhydroxyalkanoates (PHA), are highlighted for their potential to efficiently filter microplastics while providing an eco-friendly alternative to conventional filtration technologies. By combining these materials with a small solar-powered unit, the prototype enables an off-grid, low-energy solution to treat textile wastewater in urban environments. The study includes testing the prototype in simulated urban runoff conditions with varying concentrations of microplastics, evaluating key performance indicators such as microplastic removal efficiency, energy consumption, and operational sustainability. Results demonstrate a significant reduction in microplastic concentration, indicating the effectiveness of biodegradable polymer coatings and solar-powered systems in treating urban runoff. The discussion addresses the feasibility of using local biodegradable materials, performance in real-world urban environments, and operational challenges such as maintenance and scalability. This innovative approach is compared with existing microplastic filtration methods, such as membrane filtration and adsorption, highlighting its advantages in terms of sustainability and cost-effectiveness. The findings suggest that this integrated system could offer a viable, low-cost solution for addressing microplastic pollution in urban drainage systems, with potential for widespread urban implementation.

Increasing community literacy in environmental management is a strategic step to realize sustainable development. One practical approach that can be implemented is through community-based education. This article examines how local communities can become agents of change in increasing public awareness and understanding regarding environmental issues, such as waste management, natural resource conservation, and adaptation to climate change. Through a participatory approach, community-based education encourages direct community involvement in designing and implementing environmental programs that suit local needs. Case studies from various regions show that collaboration between communities, government, and the private sector can increase the effectiveness of educational programs and create long-term impacts. The work programs are processing organic and inorganic waste, processing agricultural land, planting trees, preventing dengue fever and making anti-mosquito spray, providing information related to Hoaxes and phishing link modes, and collecting data on MSMEs. Apart from that, there are also work programs regarding learning posts, introducing waste banks, making street signs, and creating village websites. The results obtained from this activity are an approach to the community through social activities carried out with residents and increasing community insight through the outreach and training programs provided. Apart from that, village facilities can be improved by creating street signs and village websites. It is hoped that the results of this study can become a practical guide in developing a sustainable community-based education model for environmental management.

This community service aims to increase the awareness of Abulyatama Elementary School (SD) students regarding the importance of disposing of waste in its place and sustainable economic management. This socialization is expected to form positive habits in students and reduce waste problems in the environment around the school. Through educational activities involving students, teachers, and parents, this program aims to create a clean, healthy environment, and understand how waste management is related to economic management. The approaches used in this socialization are lectures, interactive discussions, and direct demonstrations regarding good waste management, as well as an introduction to the basic concepts of economic management.

Strategy to build public awareness so that they can be 'friends' with waste to get direct economic benefits from waste. Waste banks cannot stand alone but must be integrated with the 4R movement (recycle, reuse, reduce, and replace), namely the activity of treating waste by reusing, reducing, recycling, and replacing so that the direct benefits felt are not only economic, but also the development of a clean, green and healthy environment. In this activity, collaboration with existing waste banks in the environment so that the results are more optimal. The result is good enthusiasm from the community so that this activity runs according to plan.

This study aims to analyze the implementation of circular economy in Micro, Small, and Medium Enterprises (MSMEs) in the Food & Beverage (F&B) sector. The focus of the research is on the implementation of circular economy practices that include waste management, use of sustainable raw materials, environmentally friendly packaging, energy and water efficiency, and food waste reduction strategies. The research method used a descriptive quantitative approach with a research instrument in the form of a questionnaire distributed through Google Form.

The purpose of this study is to design and build a garden fence made of wood and recycled bottles in an effort to develop an environmentally friendly and cost-effective solution. In addition to functioning as a room divider, this garden fence can also be used as a decorative component to add to the aesthetic appeal of the garden. This study examines the structural strength, material durability, and aesthetic value of the fence building using wood and recycled bottles. The method used in this activity is the ABCD method, the ABCD (Asset Based Community Development) approach method which is a mentoring method that prioritizes the utilization of assets and potentials around the community. This research method also evaluates the environmental impact and cost efficiency of using recycled materials. The results of the study show that a fence made of wood and recycled bottles can be a practical and attractive choice for a garden plan. This fence not only supports the management of plastic bottle waste, but also provides a smart solution that is financially efficient and affordable.

The problem of plastic waste has become a global issue that impacts the environment. In Sinar Bhakti Village, awareness of plastic waste management is still low, especially among children. This community service activity aims to provide education on utilizing used plastic bottles as a medium for growing ornamental plants to children in Sinar Bhakti Village. The method used is a participatory approach, directly involving children in the process of transforming used plastic bottles into planting media. The activity began with an introduction to the negative impacts of plastic waste, followed by training on plastic bottle processing techniques, and ended with practical activities of planting ornamental plants. The results of this community service showed that children were able to understand the importance of plastic waste management and practice creating planting media from used plastic bottles. Additionally, this activity enhanced creativity, environmental awareness, and a sense of responsibility among children. This activity is expected to contribute to reducing plastic waste and introducing the concept of recycling from an early age while creating a greener and more beautiful environment in Sinar Bhakti Village.

Car washes have become increasingly popular in some areas, but this growth has also had a negative impact on environmental quality, as untreated wash water is often discharged directly into car wash drainage systems without any prior treatment. This discharge of unfiltered wastewater can lead to high levels of COD (chemical oxygen demand) and surfactants in nearby water sources if carried out intensively. Much of the wastewater is often classified as waste. It is discharged by car wash operators into the drainage system and eventually into smaller waterways. In 2014, the Minister of the Environment highlighted the importance of managing cleaning waste due to its harmful effects on the environment and health. Based on the Pekanbaru Municipality's Regional Regulation No. 8 of 2003 on the payment of liquid waste treatment control permit, which stipulates that every industry must carry out waste treatment before discharging into the environment and each industry must also  pay a fee, this study will allow the design of absorption wells, which will be used to treat liquid waste from car washes, so that the wastewater absorbed into the ground is no longer a contaminated liquid waste. By treating the waste by the method of infiltration pits, it is hoped that the environment and the health of the residents around the laundry will be well preserved.

PT X is a chemical manufacturing company specializing in the production of phosphoric acid and sulfuric acid. In addition to waste generated from production processes, PT X also produces domestic wastewater originating from supporting activities such as employee barracks, offices, and laundry facilities. This domestic wastewater contains parameters that can potentially pollute the environment, such as BOD, COD, TSS, ammonia, and Total Coliform, some of which exceed the quality standards set by the Minister of Environment Regulation No. 68 of 2016. This study aims to design an effective Domestic Wastewater Treatment Plant (DWTP) system to process the domestic wastewater of PT X. The proposed DWTP system consists of a collection tank, Anaerobic Baffled Reactor (ABR), Aerobic Biofilter, and disinfection unit. Each unit is designed to reduce pollutant parameters to meet quality standards. Based on the calculations, this system can handle a wastewater flow rate of 21.91 m³/day with high treatment efficiency for critical parameters. The study results indicate that the proposed DWTP design can reduce environmental pollution, improve wastewater treatment operational efficiency, and comply with applicable regulations. Implementing this system is highly recommended to ensure environmental sustainability and the continued operations of PT X.

This article discusses efforts to optimize the production process at the motorcycle carburetor company "Mantri Karbu" through the application of transformation methods. In the automotive industry, production efficiency is key to enhancing competitiveness and meeting the ever-growing market demand. This study identifies various challenges faced by Mantri Karbu, including long production times, resource waste, and inconsistent product quality. By implementing transformation methods, which include workflow analysis, waste reduction, and employee skill enhancement, the company can improve productivity and operational efficiency. The results of this implementation show a significant increase in production cycle time, a reduction in operational costs, and an improvement in customer satisfaction. This article aims to provide insights for other companies in similar industries to adopt effective strategies for optimizing their production processes.

Organic fertilizers contain organic materials such as compost, manure, or other organic waste materials. When organic fertilizers are applied to the soil, they provide an abundant source of nutrients, including nitrogen, phosphorus, and potassium, as well as essential micronutrients. The community service activity program aims to empower farmers with the knowledge and skills to make organic fertilizers from local materials, which not only lower production costs but also improve soil quality and crop yields. The community service activity with the theme "Assistance and Making Organic Fertilizers in Reducing Fertilizer Costs for Farmers in Rowo Gempol Village, Lekok District, Pasuruan Regency" Through the Participatory Action Research method which includes preparation, processing, application, and evaluation, this program has succeeded in improving soil quality and supporting plant growth in the campus green area. Organic fertilizers, produced from campus organic waste such as dry leaves and food scraps, increase soil nutrient content and plant health, and reduce the negative impacts of synthetic chemicals. This activity also involves students in the process of processing and applying fertilizers, providing practical experience and raising awareness of the importance of sustainable agriculture and environmental management. The evaluation results showed a significant positive impact on soil quality and plant growth, with more fertile soil and healthier plants. In addition to the ecological benefits, the program plays an important educational role, by increasing students' understanding of environmentally friendly practices and organic farming skills. The success of this model is expected to be replicated in other villages. so that the benefits of this program can be felt more widely and support the creation of more sustainable agriculture.