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E The integration of Environmental, Social, and Governance (ESG) principles into e-procurement systems offers a pathway to achieving sustainable public procurement in Indonesia. This study explores relevant ESG criteria and formulates strategies to enhance the capacity of procurement personnel in implementing these principles. The findings highlight the importance of incorporating environmental criteria such as energy efficiency, eco-friendly materials, and waste management; social criteria like labor standards compliance, local MSME empowerment, and gender equality; and governance criteria including transparency, anti-corruption, and tax compliance. While e-procurement provides a digital platform to improve efficiency and transparency, challenges such as limited awareness, capacity gaps, and the absence of specific ESG guidelines hinder effective implementation. To address these issues, the study proposes strategic measures, including the development of ESG-based evaluation systems, comprehensive training programs for procurement personnel, and robust monitoring frameworks. These initiatives aim to align procurement practices with the principles of Sustainable Public Procurement (SPP), ensuring that procurement contributes to environmental sustainability, social equity, and better governance. By overcoming existing barriers and fostering collaboration among stakeholders, Indonesia can position itself as a leader in sustainable procurement practices. This research provides practical recommendations to integrate ESG into procurement systems, paving the way for a more accountable, equitable, and sustainable procurement framework.

This study aims to analyze tourists' awareness of the impact of waste at Ancol Beach during the holiday season. Waste issues have become a significant environmental concern in tourist areas, particularly during holidays when the number of visitors increases drastically, interviews were conducted with tourists from various linguistic backgrounds to assess their perceptions of beach cleanliness, understanding of waste impact on the environment, and participation in waste management efforts. Primary data were obtained through interviews and direct observation at Ancol Beach, while secondary data were sourced from literature related to waste management in tourist areas. The findings indicate that tourists' awareness levels vary, with significant differences between local and international tourists. Furthermore, although many tourists recognize the negative impact of waste, further educational efforts are needed to enhance participation in maintaining beach cleanliness. This study also highlights the importance of collaboration between tourism managers, the government, and tourists in addressing the waste problem at Ancol Beach.

Operations management is a series of activities related to planning, organizing, controlling and supervising all resources used in the process of producing goods or services. The main function of operations management is to create quality products or services, at efficient costs, at the right time, and in accordance with market demand. This research is quantitative research that works with numbers and the data is in the form of numbers which are then analyzed using statistics to test hypotheses or to answer specific research questions and to make predictions. This research approach is explanatory research where data collection is carried out simultaneously in one stage (one shot study} or in a cross-section through a questionnaire. One of the main impacts of operations management what is good is increasing the efficiency of the production process by designing and managing efficient production processes, companies can optimize the use of available resources, reduce waste, and increase output without increasing significant costs. Effective operations management has a significant impact on various aspects of company performance, including operational efficiency, cost control, product quality and service, and customer satisfaction. By implementing good operations management principles, companies can increase their competitiveness, reduce waste, and improve the customer experience.

Hydroponic plant cultivation is booming, but stock and sales are hard to predict. Poor prediction can cause farmers to overstock and lose money. This study suggests a framework that uses several machine learning models, including Linear Regression (LR), Random Forest (RF), Decision Tree (DT), and Extreme Gradient Boosting. "Ensemble Learning," which combines these models, should yield more accurate and generalizable results than a single model. This framework is assessed using historical hydroponic plant sales data and related factors like price, weather, and market trends. The model's performance is measured by the difference between predictions and actual values using RMSE and MAE metrics. This framework should improve hydroponic plant stock and sales predictions. Farmers can make better production, inventory, and harvest distribution decisions. Besides reducing financial losses, this reduces food waste and improves food security.

This research analyzes the implementation of Regional Government policy in the form of Payakumbuh Mayor's Instruction Number: 01/Instruction/Wk-Pyk/2023 concerning Waste Management. The method used in this research is a qualitative method, namely a case study approach, observation or observation and in-depth understanding of the phenomenon being studied, documentation and interviews with related parties such as traders in traditional markets, residents around the TPS and cleaning officers from the Payakumbuh City Environmental Service. . The research results show that the main obstacle is the community's unpreparedness for the Regional Government's policy to manage waste independently, as a result of the closure of the Payakumbuh Regional TPA due to the impact of the landslide disaster. Another inhibiting factor is that education about waste management has not been thoroughly provided to the community and the lack of support for the facilities needed as well as the application of sanctions and appreciation to the community in waste management. Adequate training and skills are needed, the application of sanctions and partnerships between local governments with the private sector and other social institutions in the promotion and sale of waste recycling products, so that the community is not only independent in waste management but also helps the government in solving waste handling problems.

  One of the biggest environmental problems in the world today is plastic waste. The accumulation of plastic that is difficult to decompose endangers human health and land and marine ecosystems. This is why managing plastic waste is an important small step towards making the environment cleaner and more sustainable. Reducing the use of single-use plastics, implementing recycling, and developing new ways to use used plastics for valuable products. Additionally, there was a discussion about how individual awareness, community collaboration, and government support are essential for plastic waste management. To reduce the negative effects of plastic waste, society can help future generations live better lives by implementing simple but consistent actions.  

Although North Sumatra's cattle farms have enormous potential for development, there are still several issues that hinder productivity and efficiency. The comparative advantages and development strategies of cattle farming in the region are the subject of this study. The methods used include literature analysis and secondary data from various relevant sources. The results showed that, although local cattle have advantages in terms of adaptation to the environment, their productivity is lower than imported cattle such as Brahman Cross. Some of the factors that lead to low productivity include poor feed management, limited use of technology such as artificial insemination, and an ineffective marketing system. In addition, this study found that by improving the efficiency of agricultural waste as feed, cattle farming can thrive, the use of biogas and improved marketing systems through farmer cooperatives. Improving the competitiveness of cattle farming in North Sumatra can be achieved through the application of technology and local wisdom-based approaches. This research is expected to help in making policies and strategies to develop more efficient and sustainable cattle farming in the future.

Plastic waste is one of the sources of problems for all living things, especially humans and their environment. So there is a need for awareness of this adverse impact. Measures such as the use of environmentally friendly alternatives, plastic reduction education, and government policies to limit the production and distribution of single-use plastics are increasingly being promoted. By implementing these alternative measures, it can have an impact on keeping our earth clean. The method used in this research is normative juridical, this research leads to the scientific field of law, regulations, and provisions that apply to a problem. In this case, a review of laws and regulations relating to plastic waste reduction policies is carried out. Meanwhile, the meaning of normative legal research is research conducted by looking at any library material as secondary data and is also considered as library legal research. According to the Jambeck Research Group report in 2015, Indonesia ranks second after China in the contribution of plastic waste to the ocean, with an estimated 3.2 million tons of plastic waste per year, and around 640,000-1.29 million tons end up at sea. By 2024, plastic waste in Indonesia is projected to reach around 13.98% of the total national waste generation, with an estimated volume of around 9.9 million tons. As a wise individual, we should not only rely on government policies in dealing with plastic waste, but each individual must be educated in order to create awareness of the dangers of the impact caused by the waste of plastic use.

This study explores the impact of tourism on environmental health in the coastal tourist area of Ancol Beach, Jakarta. As a major tourist destination in North Jakarta, Ancol Beach has experienced significant growth in visitor numbers annually. While tourism in this area provides positive contributions such as boosting the local economy and creating employment opportunities, it also poses negative environmental impacts, particularly in terms of marine pollution and increased waste accumulation during peak tourist seasons. Using a qualitative approach, this research combines in- depth interviews and field observations to analyze these issues. The results indicate that, despite adequate waste management efforts, the surge in visitors creates challenges in maintaining environmental cleanliness and marine ecosystem health. Additionally, tourists' awareness of environmental responsibility tends to decline during high-traffic periods. This study recommends enhancing waste management facilities and intensifying environmental education to support sustainable tourism management at Ancol Beach.  

Chemical Oxygen Demand or Need Oxygen chemistry is amount oxygen is needed for waste organic matter in the water can​ oxidized in a way chemistry . Chemical Oxygen Demand (COD ) have the value which is size For level pollution by material organic . COD value contained in material standard such as palm oil mill effluent can converted into biogas due to its high value so that allow For produce high biogas production . On study This done data collection in direct that is with using secondary data and primary data. From the research that has been done , known that  The more high COD Removal then the more The quality of the methane gas produced is also high . This is can seen based on at COD removal of 81%, it was obtained methane gas quality by 67%. And, increasingly high COD lowered so the more The biogas production produced is also high . This is can seen based on on COD reduction of 797,716 kg resulted in biogas production of 478,629 m3.

In the fruit processing industry, peel is one of the main by-products. Non-edible portions of fruit are likewise seen as waste and are frequently thrown out into the environment. Nowadays, one of the main sources used by the pharmaceutical sector to isolate and extract secondary metabolites is fruit peels. Many applications known for lime peel, especially for antibacterial. This study focuses on the isolation, chemical composition characterization, and antibacterial activity on skin pathogenic bacteria of lime peel essential oil (LPEO). LPEO were isolated using steam distillation and characterized by GC/MS. A total of 24 components were identified. The major constituents of the LPEO were d-limonene (40.24%), β-terpinene (15.68%), sabinene (13.15%), citral (3.41%), α-Terpineol (3.40%), and terpinene-4-ol (2.94%). The antibacterial activity was determined using the Kirby-Baurer method against several bacteria that can cause skin infections. The antibacterial activity of LPEO against Escherichia coli, Staphylococcus aureus, Staphylococcus epidermidis dan Propionicbacterium acne is confirmed. LPEO showed varied levels of antibacteria activity against the gram positive and gram negative bacteria. Zone of inhibition (ZOI) in millimetres was used to measure the antibacterial activity, and amoxicillin was used as a control.  

This Community Service (PkM) activity aims to empower Muslim women at the Nurul Nisa Borong Jambu Taklim Assembly, Antang Makassar TPA, through the Eco Digital Campaign and organic waste processing using the eco enzyme concept. This program involves two main activities, namely education on the use of digital technology for environmental campaigns and training in processing organic waste into eco enzymes that are useful for everyday life. The results of this activity show an increase in participants' understanding of the importance of protecting the environment and skills in managing organic waste into eco enzymes. Participants also showed motivation to apply what they had learned in their daily lives. Through evaluation, this program was considered very useful and relevant to the needs of the community, with the hope that it can be sustainable and provide a greater positive impact.

Knowledge about mental illness for Bhnike Karya Karanganyar Vocational School students is still limited. Knowledge about waste disposal management is important to provide as an effort to equip oneself to maintain personal health (Radiani, 2019).   If mental disorders are not treated properly, they will get worse and can ultimately burden families, society and the government. The method used in this paper is exploratory descriptive analysis, through literature reviews and secondary data studies. The research results show that a study of the 2018 Riskesdas data shows that the prevalence of serious mental disorders in the Indonesian population is 7% (per mile of population) and is mostly found in Bali, Yogyakarta, NTB and Aceh.  It is hoped that similar activities can have an impact on increasing awareness of the Indonesian people, especially students and female students as the younger generation, to actively participate in maintaining mental health. On this occasion, the Community Service Implementer of the D3 Medical Records and Health Information Study Program, Faculty of Health Sciences, Duta Bangsa University, Surakarta will carry out P2M activities for Bhina ​​Karya Karanganyar Vocational School students regarding mental illness. On this occasion, the Community Service implementer expressed his thanks to the Head of the School and the Head of Public Relations at Bhina ​​Karya Karanganyar Vocational School for providing permission for a place to carry out Community Service activities. Hopefully this activity will be useful for increasing the knowledge of Bhina ​​Karya Karanganyar Vocational School students regarding mental illness in the hope that their knowledge will be aware of maintaining mental conditions for the sake of mental health itself.

To find out  the beef cattle business in Perbaungan sub-district is potentially profitable from a financial, social and environmental perspective. Primary data were collected through interviews with farmers and secondary data from relevant agencies. Descriptive-analytical method was used. Benefit-Cost Ratio (BCR), Net Present Value (NPV), and Internal Rate of Return (IRR) were used to assess business feasibility. The results showed that the beef cattle business is financially viable with a BCR value of 1.35, NPV of 25,000,000, and IRR of 18 per cent. In addition, the business has a positive impact on income generation, job creation, and farmer welfare. But there are some problems, such as changes in feed prices and cattle waste management. Even if feed prices and cattle selling prices change significantly, the business is still viable, according to the sensitivity analysis. To make the business more sustainable, the government should help through training programmes, feed subsidies and access to finance. Beef cattle enterprises have great potential to grow and have a positive impact on both the environment and the community if managed properly.

The plastic waste problem in Indonesia, which is the second largest contributor in the world, prompts the need for innovative and sustainable solutions. One proposed solution is the utilization of plastic waste into ecobricks, which are eco-friendly bricks made from compacted plastic waste. The training program in Jawisari Village involved socialization and practice of ecobricking, aiming to raise community awareness about plastic waste management and provide practical skills. The activity successfully engaged the community, produced ecobricks, and is expected to create a cleaner and healthier environment.

The Workshop program for training in making soap from used cooking oil is one of the work programs of the Regular Community Service Program (KKN) 83 UIN Walisongo Semarang Post 16 which was carried out with the mothers of Jawisari Village at the Jawisari Village Hall, Limbangan District, Kendal Regency. This workshop program was motivated by the fact that many people still use used cooking oil repeatedly so that it can endanger their health and there are still those who dispose of used cooking oil carelessly so that it can cause environmental pollution. This work program aims to provide an understanding to the community about the negative impacts of used cooking oil waste on the environment and health, introduce the application of science and technology through training in processing used cooking oil waste, and provide training and assistance to control environmental pollution by providing education and training to local residents on how to process used cooking oil waste into liquid soap. This training workshop activity was carried out in three main stages, namely counseling, practicing making liquid soap, and evaluation. The results of this program show that the training workshop activities were successful and well-run where participants were able to understand the basic techniques of making liquid soap and gain direct experience in practice, the mothers who participated were also very enthusiastic and actively participated and felt happy to be able to learn to change used cooking oil waste into liquid soap products that are useful for everyday life. Making liquid soap from used cooking oil is an innovation that is not only useful for reducing waste oil that pollutes the environment, but also provides economic and social benefits for the community because it can open up business opportunities and support the local economy. Therefore, as a sustainable step, it is necessary to provide education to the community about the importance of recycling used cooking oil and improving technology in the production of liquid soap to be more efficient and environmentally friendly

The Workshop program for training in making soap from used cooking oil is one of the work programs of the Regular Community Service Program (KKN) 83 UIN Walisongo Semarang Post 16 which was carried out with the mothers of Jawisari Village at the Jawisari Village Hall, Limbangan District, Kendal Regency. This workshop program was motivated by the fact that many people still use used cooking oil repeatedly so that it can endanger their health and there are still those who dispose of used cooking oil carelessly so that it can cause environmental pollution. This work program aims to provide an understanding to the community about the negative impacts of used cooking oil waste on the environment and health, introduce the application of science and technology through training in processing used cooking oil waste, and provide training and assistance to control environmental pollution by providing education and training to local residents on how to process used cooking oil waste into liquid soap. This training workshop activity was carried out in three main stages, namely counseling, practicing making liquid soap, and evaluation. The results of this program show that the training workshop activities were successful and well-run where participants were able to understand the basic techniques of making liquid soap and gain direct experience in practice, the mothers who participated were also very enthusiastic and actively participated and felt happy to be able to learn to change used cooking oil waste into liquid soap products that are useful for everyday life. Making liquid soap from used cooking oil is an innovation that is not only useful for reducing waste oil that pollutes the environment, but also provides economic and social benefits for the community because it can open up business opportunities and support the local economy. Therefore, as a sustainable step, it is necessary to provide education to the community about the importance of recycling used cooking oil and improving technology in the production of liquid soap to be more efficient and environmentally friendly

This study aims to analyze the effect of population density on electricity consumption and evaluate the potential use of solar panels as a solution to overcome energy waste in urban areas, especially on Jalan Kapten Muhammad Jamil Lubis, Medan Tembung, Medan, North Sumatra. The method used is qualitative research with a literature study approach, which involves collecting data from various written sources, such as journals, books, and research reports. The results of the study indicate that the high population density in this area contributes to inefficient energy consumption. Factors such as people's habits in using electronic devices, less than optimal energy infrastructure quality, and increased energy demand due to economic activities are the main causes of energy waste. Solar panels are identified as a potential solution to overcome these problems. This technology is able to convert solar energy into electricity efficiently, even in areas with varying weather. In addition to supporting environmental sustainability by reducing carbon emissions, solar panels also utilize empty spaces such as building roofs, making them suitable for densely populated areas such as Medan Tembung. This study concludes that the adoption of solar panels, supported by government regulations, incentives, and community education programs, can be a strategic step in creating a more efficient and environmentally friendly energy system. Further research involving field trials is recommended to support wider implementation of this technology.    

The construction industry in Indonesia is growing rapidly, playing a crucial role in the country's economic, political, and social development. However, alongside this rapid growth, issues such as project delays are inevitable. The construction project of the Indonesian Maritime Polytechnic, for instance, has experienced significant delays, which can lead to increased costs, waste of human resources, and disputes among the involved parties. Understanding the primary causes of these delays is essential for developing effective strategies to avoid future delays. This analysis uses both qualitative and quantitative methods to identify the root causes of delays. Data was collected through surveys of respondents involved in the project, including project managers, field staff, and consultants. The analyzed causes of delays include insufficient funding, increases in raw material costs, additional costs, contract document errors, poor communication, and slow decision-making. To minimize delays and their impacts, several recommendations can be made: effective strategic planning, improved communication, increased staff, accurate initial cost estimates, and good management. By implementing these recommendations, the Indonesian Maritime Polytechnic construction project can be completed more effectively and efficiently, and future delays can be avoided.

Stunting is a condition where a child's body size is not appropriate for their age. The consequences of malnutrition, infection, and poor social life can have long-term impacts, such as depression, loss of cognitive and mental functions. The prevalence of stunting in the Tempino Health Center Working Area in 2023 was 2.63%. This study aims to determine the relationship between environmental sanitation and the incidence of stunting in the Tempino Community Health Center Working Area, Mestong District, Muaro Jambi Regency This type of quantitative research with a case control design. The population was 100 and the sample size was 66 respondents with a ratio of 1: 1 taken with the Total Sampling technique. There is a significant relationship between the physical quality of clean water (P-Value = 0.000; (OR) = 12.880), household wastewater disposal system (P-Value = 0.003; (OR) = 5.714), latrine building (P-Value = 0.003; (OR) = 5.333) with the incidence of stunting. There was no association between household waste bins (P-Value = 0.573 (OR) = 0.619 (0.203-1.892), hand washing with soap (P-Value = 0.240; OR) = 0.411) with the incidence of stunting among children under five.