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According to legal regulations Republic of Indonesia No. 32 2009 concerning Environmental Protection and Management, it states that waste is the remaining results of activities or businesses whose reprocessing requires more effort and if the storage is not carried out properly it will pollute the environment. Hazardous and toxic waste is classified into three types based on its nature: liquid waste, solid waste, and gas waste. According regulations No. 74, 2001 concerning the Processing of Hazardous and toxic Materials, Hazardous and toxic Waste is the remainder of a business and/or activity that contains hazardous and/or toxic materials which due to their nature and/or concentration and/or quantity, either directly or indirectly, can pollute and/or damage the environment, and can endanger the environment. The implementation of Community Service activity focus on increase Awareness of Hazardous and toxic Waste Management in accordance with laws and regulations, To store and manage Hazardous and toxic Waste in the workplace. The implementation of this Community Service activity was carried out online in August 2024 inviting workers and prospective fresh graduates who were interested in fulfilling aspects of Hazardous and toxic waste management. The results of this activity the pre-test and post-test showed that webinar participants, increase in knowledge about Hazardous and toxic waste of 72%. A significant increase in knowledge is expected to improve community behavior regarding Hazardous and toxic waste.

Alternative materials are almost always found in the surrounding nature, therefore innovation in the development of concrete mixture composition must continue to be improved. Natural local materials that are prioritized as a substitute for cement have geopolymer material content and contain silica (Si) and alumina (Al) elements. Clam shells are a new phenomenon in several sea sand quarries in Fakfak Regency. If the shell shell waste is not utilized, it will only create useless piles, as is the case with chicken egg shells, even though this waste has the potential to replace lime in making cement. This study aims to determine the characteristics of the material (clam shell waste, chicken egg shells and sand), and to determine the compressive strength produced in variations in the use of 50% LCK + 50% LCTA, 80% LCK + 20% LCTA and 100% LCTA. The results obtained in this study indicate that clam shells can be used as a component of geopolymer concrete because they have basic elements found in geopolymer materials in the form of SiO2, CaO, Al2O3, Al2O3, and MgO. Meanwhile, in chicken egg shells, the dominant element is only CaO. The dominant variation of shellfish shells using a combination of 80% LCK + 20% LCTA variations has the highest compressive strength value compared to other variations of 14.29 MPa at the age of 28 days, while the variation of 100% chicken egg shells only gets a compressive strength result of 2.20 MPa (age 28 days).

Background:Wasteis a condition of acute malnutrition where the weight of a toddler is not in accordance with his height and the z-score value <-2. Toddlerhood is an important life and needs to be considered by parents. Toddlers need to get nutrients from daily food in the right amount and good quality. Education, maternal knowledge affects children's food choices, good maternal parenting patterns, children will grow and develop well by coming to the integrated health post, monitoring toddler weight is a positive attitude in solving problems. Purpose: This study was to determine the level of education, knowledge and maternal parenting patterns on the incidence of wasting in the work area of ​​the Nabarua Health Center UPTD, Nabire Regency. Method: The research design used was Cross Sectional. The sample used was 30 toddlers using total sampling. Data analysis used the Statistical Program for Social Science (SPSS) Version 16.0 computer release program and used the chi-square test. Results: test of the relationship between maternal education (p value = 0.23), maternal knowledge (p-value = 0.43), and Parenting (p-value = 0.82). Conclusion: There is no relationship between maternal education, maternal knowledge, and maternal parenting patterns with wasting incidents. Suggestion: It is expected that mothers of toddlers provide daily food in the right amount and good quality, good maternal parenting patterns so that children grow and develop well by coming to the integrated health post to monitor their child's weight.    

This study aims to analyze the role of smart technology in achieving sustainable cities through the implementation of the smart city concept. Using a qualitative approach based on library research, the study explores the relationship between smart technology and urban sustainability, encompassing three main pillars: governance, energy efficiency and environmental management, and social inclusivity. The findings reveal that smart technology enhances transparency and efficiency in governance through e-governance and digital applications, fosters multi-stakeholder collaboration via collaborative governance, and improves government responsiveness to public needs. In the environmental aspect, the implementation of smart technologies such as smart grids and smart sensors significantly contributes to more efficient energy management and carbon emission reductions. Moreover, technology-based waste management demonstrates great potential in supporting urban environmental sustainability. On the social dimension, smart technology must ensure inclusivity by addressing vulnerable groups and bridging the digital divide, where digital literacy and community empowerment play a crucial role in creating sustainable social impacts. However, implementation challenges such as infrastructure gaps, limited budgets, and human resource readiness remain barriers that need to be addressed. This study highlights the importance of integrative and collaborative approaches in smart city implementation, alongside strong strategic policy support to maximize the potential of smart technologies in achieving sustainable development. With the right approach, smart cities can serve as a strategic solution to urbanization complexities and improve the quality of life for future generations.

The results of the study show the application of environmental accounting (Green accounting) according to the Islamic perspective of waste management of PT. Sources of Graha Sejahtera (SGS) include Avoiding Air Pollution, Good Waste Management and Green Spaces.  PT incurs costs for environmental activities such as waste management, environmental monitoring costs, employee training costs, and environmental activity audit costs. All environmental costs, and allocating these costs based on cost types in a structured environmental accounting contribute well to environmental performance. The impact of the application of environmental accounting in waste management at PT. Sumber Graha Sejahtera (SGS) produces goodness and cleanliness because when a company carries out activities support environmental management, the management must wisely record every cost incurred related to environmental activity. These costs are referred to as environmental costs that must be charged to functions within the company appropriately, for example, production functions, marketing functions and other functions.

Kombucha tea is a drink produced through a fermentation process of a mixture of tea and sugar using kombucha culture or also called SCOOBY ( Symbiotic Culture of Bacteria and Yeast) . The basic ingredients for making kombucha tea are granulated sugar solution and tea bags, in this study it was varied using fruit skin. Vitamin C is known as an important antioxidant found in many fruits, including in rujak fruit skin which is often considered waste. The purpose of this study was to determine the levels of vitamin C in kombucha tea fermented from fruit skin waste. This study used qualitative and quantitative methods. The qualitative method uses the Benedict test and the quantitative method uses the calculation of the percentage of vitamin C content using the iodimetric titration method. The results of the qualitative analysis of the Benedict test were positive for vitamin C with a change in the color of the sample solution to green-yellowish and the analysis of the percentage of vitamin C content obtained a result of 2.3124% or equal to 0.23124 mg / 10 mL of sample solution. The vitamin C content of kombucha tea can vary depending on the base ingredients used, fermentation time, and storage temperature.

The "Kampus Mengajar" program at SMPN 2 Merawang is implemented by students from the University of Bangka Belitung to raise awareness and enhance students' skills in plastic waste management. Through an educational and collaborative approach, this program encourages students to better understand the impact of plastic on the environment. The main activities include socialization on plastic waste management, the creation of eco-bricks, and participation in co-curricular activities such as an exhibition of student works. The results of the program show an increase in environmental awareness among students, as well as the development of proactive attitudes towards maintaining the cleanliness of the school environment.

This research aims to examine the role of environmental management in supporting the development of sustainable tourism at Asstro Highland Ciater. Apart from that, this researcher aims to find out and evaluate the concept of environmental management in order to preserve the environment. The background of this writing is because this tourist attraction relies heavily on nature. so environmental management is very important to study, several problems that want to be discussed include: 1. waste management that is not yet optimal 2. increased use of natural resources such as water and energy that is not controlled 3. as well as low awareness of tourists and local communities which has an impact on damage to local ecosystems, the method used includes in-depth interviews with tourist attraction managers and local communities to identify policies and managerial practices implemented in environmental management. Apart from that, field observations were carried out to assess environmental conditions and interactions between visitors and the natural surroundings. The main results obtained from this research were: 1. Efforts to reduce plastic waste 2. Conservation measures which include the use of water-saving equipment and energy use 3. Management can provide education to tourists regarding the importance of maintaining cleanliness and preserving nature, from this research it can recommend the development of ecotourism and strengthening sustainable tourism branding through preserving nature. 

Pesantren, as the oldest Islamic educational institutions, face complex challenges in environmental health management, primarily due to high residential density, limited sanitation infrastructure, and varying practices of Healthy and Clean Living Behaviors (PHBS). Although the religious concept of taharah (purity) serves as a foundation for cleanliness, there is a lack of in-depth research examining the integration of religious values, infrastructure conditions, and management systems in shaping the daily hygiene experiences of santri (students).This study aims to explore the santri's experience regarding environmental health management in pesantren, focusing on the integration of hygiene, sanitation, and Islamic religious values, while also identifying factors and challenges related to PHBS practices. This qualitative research, utilizing a descriptive phenomenology design, collected data through in-depth interviews with three female santri informants (with 8–9 years of boarding experience). Data analysis was conducted using the six-phase thematic analysis method by Braun & Clarke (2006).The study identified five main themes: (1) Infrastructure is quantitatively adequate but faces operational issues (queues, seasonal clean water scarcity); (2) PHBS practices show positive behavioral changes (self-reliance) but waste management remains traditional; (3) The religious value of taharah acts as a strong intrinsic motivation; (4) The management system involves multi-level roles (kiai-ustaz-administrators) that face consistency challenges; and (5) Main obstacles include limited facilities, varying levels of santri awareness, and disparity in educational programs. Poskestren (Pesantren Health Post) represents an institutional effort to provide basic health services.Environmental health management in pesantren requires a holistic approach, integrating infrastructure improvement and sustainable waste management systems, alongside developing education that unites Islamic religious values with modern health knowledge. Optimizing the religious strategy and strengthening national monitoring/standardization systems are key to program sustainability.

Urban farming is a modern form of adaptation that is responsive to food security challenges, especially in areas with limited space such as Banten Province. This study aims to examine the dynamics of food security in the agrarian region of Banten and offer innovative solutions through urban farming practices. The global food crisis, the shrinking of agricultural land due to development and land conversion, and the decreasing public interest in farming are crucial issues that threaten local food security. In Banten, land conversion has resulted in the loss of more than 9,869.61 hectares of productive rice fields, which has a direct impact on local production capacity and increased dependence on external supplies. As a solution, this study advocates urban farming innovations such as hydroponics, vertical farming, and the utilization of idle land and home gardens. This approach not only utilizes limited land efficiently but also aligns with the principles of wise food planning as exemplified in the story of the Prophet Joseph. Qualitative methods with literature studies and content analysis were used to gather in-depth information. To create sustainable food security, this study identified three main strategies: digitalization of agricultural spatial planning using geographic information systems (GIS) to prevent illegal land conversion; Integrating circular agriculture and urban farming to manage organic waste; and engaging the younger generation as drivers of innovation through technologies such as the Internet of Things (IoT) and digital marketing. These efforts are expected to create high-quality and sustainable food security in Banten Province by combining social intelligence, technology, and environmental sustainability.

Goat urine is liquid waste from goat feces. Goat urine is able to provide macro and micro nutrients and contains growth regulators (ZPT) that plants need. Goat urine contains 1.5% nitrogen, 0.13% phosphorus, and 1.8% potassium. Goat urine contains natural hormones of IAA, gibberellin, and cytokinin higher than other livestock urine. Goat urine processing can be done by fermentation. Fermentation is a process of chemical changes in an organic substrate through enzyme activity produced by microorganisms. The results of fermentation of organic materials such as sugar, alcohol, amino acids, proteins, carbohydrates, vitamins and other organic compounds are easily absorbed directly by plant roots. The use of effective microorganisms in the manufacture of goat urine fermented liquid organic fertilizer aims to accelerate the fermentation process. Effective microorganisms or also known as probiotics are mixed cultures of various types of beneficial microorganisms such as photosynthetic bacteria, lactic acid bacteria, actinomycetes yeasts, fermentation fungi that can improve soil microbes. The use of solid waste of goat manure is commonly done by farmers, but the use of liquid waste (urine) of fermented goats has not been widely known. Therefore, it is important to optimize the use of fermented goat urine as liquid organic fertilizer.

This community service aims to optimize the use of local potential in Ujong Tanoh Darat Village, Meureubo District, West Aceh Regency, in order to improve community welfare and realize village independence. Local village potential, such as natural resources, cultural diversity, and rich local wisdom, have not been optimally utilized, one of which is the management of plastic and household waste. This program focuses on community empowerment through skills training in processing waste into products of economic value, such as handicrafts from plastic waste and ecoenzymes from organic waste. As a result, the community gains new skills that can increase family income, reduce plastic waste, and increase environmental awareness. In addition, this program creates new economic opportunities through marketing local products and strengthening cooperation between residents. The sustainability of this program is expected to continue to support village economic independence, with support from the village government in developing environmentally friendly local potential-based businesses.

Non-Communicable Diseases (NCDs) are a serious health challenge in Indonesia, especially in Setiajaya Village, where low public awareness of NCD risk factors makes the condition worse. This study aims to increase public knowledge and awareness regarding NCDs through the "GEMPITA" program which teaches the use of organic waste to grow Family Medicinal Plants (TOGA). The community service method was used, involving planning, direct education, and pre-test and post-test based evaluation. The results showed a significant increase in participant understanding (p-value = 0.001) with 92% of participants showing increased knowledge. Enthusiasm and active interaction during the education session were indicators of success. These results suggest that the use of waste for TOGA can be implemented as a community step in preventing NCDs. The implications of this study point to the importance of expanding this education program to other areas and involving various stakeholders so that the impact is more significant.

Household waste management in urban areas is a complex environmental challenge due to the increasing volume of waste each year. Poorly managed waste has the potential to cause environmental issues, such as water, soil, and air pollution, as well as health impacts on the community. This Community Service Program (PKM) aims to provide training in processing household waste into economically valuable products for urban communities in Baguala District, Ambon City. The training activities encompass various stages, from education on waste sorting, techniques for processing organic waste into compost, to processing inorganic waste into crafts and recycled products with market value. Through this training, it is hoped that the community will understand the importance of sustainable waste management and be able to utilize household waste as an additional source of income. The results of the activities show that participants are able to process household waste into economically valuable products, such as compost and recycled crafts. This program not only contributes to reducing urban waste but also supports community economic empowerment through a circular economy approach.

The availability of clean water is essential in daily life and plays an important role in agriculture, industry, and households. Water resource management faces many challenges such as fluctuations that can cause waste and shortages. The purpose of this research is to create a device that can automatically monitor water surface levels. The tool in question is a water level sensor based on Arduino Uno, which consists of a water level sensor and an Arduino Uno microcontroller. The sensor technology on Arduino can effectively monitor water usage directly and is known for its ease of use, flexibility, and sensor compatibility. An efficient water monitoring system provides accurate information about water availability.

Indonesia's cigarette industry has experienced significant growth, contributing substantially to economic development and work opportunities. However, the production process generates wastewater containing pollutants like BOD, COD, TSS, NH3-N, phenol, and pH imbalances, which pose environmental risks. This study aims to evaluate the quality of wastewater from the cigarette industry and analyze the treatment technologies used to meet environmental standards. Using qualitative methods and secondary data from relevant industries, the research shows that cigarette industry wastewater is highly polluted and requires multiple treatment stages before being discharged into surface water. Key technologies include collecting tanks, equalization tanks, coagulation-flocculation, clarifiers, and trickling filters. The findings provide valuable insights into waste management challenges and propose solutions to support environmental sustainability in the cigarette industry.

Industry 4.0 has brought significant changes to human life across various sectors, including education. The education sector serves as a fundamental pillar for the growth and development of future generations, requiring collaboration from all stakeholders. Effective regulations and measures are essential to improve the quality of education and teaching.One activity within the education sector generates domestic wastewater that must be treated. Domestic wastewater refers to water waste from household activities, such as washing, kitchen use, and toilets. This study employs a quantitative method using secondary data on wastewater flow rates and parameters. The research stages include preparation, data collection (both primary and secondary), data analysis, and the preparation of environmental documents.Domestic wastewater is categorized into grey water and black water. The treatment of wastewater using anaerobic and aerobic biofilters has proven effective in reducing organic pollutant levels. The treated wastewater will be repurposed for irrigating Green Zone in school buildings.

The growing number of vehicles in major cities has posed significant challenges in parking lot management. Motorists often have difficulty finding empty parking slots quickly, which not only wastes time but also aggravates traffic congestion and increases air pollution. This research develops a Python-based smart parking system by utilizing the OpenCV library to detect the status of parking slots in real-time. The system uses a camera as the main sensor and processes the image using techniques such as grayscale, Gaussian blur, and adaptive threshold to identify the parking slot status, whether empty or occupied, with good accuracy. The parking slot coordinate data is stored in CSV format to ensure efficient data management. Experimental results with video recordings show that the system is able to operate well in various parking conditions. The system proved to be cost-effective and easy to implement, making it an ideal solution for parking managers who want to improve management efficiency without being burdened with high costs. This research offers a practical solution to help motorists and parking managers optimize parking space usage, reduce search time, and minimize negative impacts such as congestion and carbon emissions.

Blue carbon ecosystems play a strategic role in mitigating climate change through their ability to absorb and store carbon significantly. However, uncontrolled exploitation of marine resources, such as overfishing, destructive fishing methods, and fishing gear waste, have threatened the sustainability of blue carbon ecosystem. Penangkapan Ikan Terukur (PIT) policies implemented by the Indonesian government aims to realize sustainable fisheries by regulating fishing quotas based on zoning. This reserach aims to identify the urgency of integrating blue carbon ecosystems into PIT policies in Indonesia to maintain the sustainability of marine resources and support climate change mitigation. Using qualitative descriptive methods based on literature studies, this research found that integrating blue carbon ecosystems into PIT policies can provide significant ecological benefits. Strict monitoring, restoration of blue carbon ecosystem habitats, and implementation of scientific data-based policies are needed to ensure the success of this policy. This integration is expected to be able to maintain marine ecosystems, support sustainable fisheries, and contribute to global climate change mitigation targets.

This study evaluates the effectiveness of using infographics in conveying environmental issues, such as waste management and climate change. Quantitative methods were used to measure the level of public understanding before and after exposure to infographics. The findings show that attractive and simple data visualization significantly increases public knowledge and awareness of the importance of environmental conservation.