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Flood disaster is the most frequent disaster in Indonesia. Based on BNPB records throughout 2021, flood disasters have occurred 1,279 times. Poor drainage system can be one of the factors causing flood disasters. Way Mhorock Village, Abepura District is one of the areas that has poor drainage network quality. This is because Way Mhorock Village is one of the centers of community activities, so it has the potential to cause flooding. This study examines the quality of the drainage system against disasters in Abepura District by focusing on Way Mhorock Village. The research methods used to achieve the objectives in this research are qualitative methods, spatial analysis, and analytical hierarchy process. Qualitative descriptive analysis method to assist and describe the actual drainage problems in the field in the form of pictures. Spatial analysis method using GPS by recording problematic drainage points then processed using ArcGIS software. Analytical Hierarchy Process method by capture the perspective of stakeholders from the agency to determine the assessment of the quality level of the drainage system that has the potential to cause flooding in Way Mhorock Village. The results showed that there are 4 problems that affect the quality of drainage in Way Mhorock Village, namely drainage sedimentation, land use change, drainage cross section, and the volume of waste found at 33 points in Way Mhorock Village. Based on the results of the analytical hierarchy process using an expert choice application, drainage sedimentation is the most influential criterion on improving drainage quality with alternative handling provided in the form of law enforcement policies against environmental violations by the community.  

Environmental pollution is now a major problem in the development of science. The problem of water pollution is one of the impacts of the development of science itself. The development of environmentally friendly technology for wastewater treatment towards waste-free production is an important step in maintaining environmental sustainability. Household wastewater produced from various sectors has the potential to pollute the environment if not handled properly. The purpose of this community service is to discuss the importance of utilizing environmentally friendly technology in managing household wastewater towards waste-free production. The use of environmentally friendly technology is the main solution in dealing with household wastewater problems, with the potential to create new economic opportunities. To achieve waste-free production, cooperation is needed between the government, industrial sector, academics, and the community. At the household level, at the micro level, it is currently still lacking to meet the need for clean water due to an inadequate waste disposal system. There needs to be design innovation to minimize the impact of environmental water pollution, one of the simple environmentally friendly technologies for treating wastewater is Constructed Wetland (CW) technology. The application of Constructed Wetland (CW) for household wastewater treatment in Cibunut Village, Kebon Pisang Subdistrict, Bandung City using ornamental plants Iris (Iris pseudoacorus), Water Jasmine (Echinodorus palaefolius) and a combination of both for 2 months, showed that the combination of plants was able to reduce COD, TSS and BOD better than single plants, with efficiencies reaching 95%, 94% and 85% respectively.

Sanitation is part of environmental health science which includes the methods and efforts of individuals or communities to control and manage the external environment which is dangerous to health and which can threaten human survival. Meanwhile, basic sanitation is the minimum sanitation required to provide a healthy environment that meets health requirements which focuses on monitoring various environmental factors that influence human health. Basic sanitation efforts include providing clean water, disposal of human waste (latrines), waste management (trash cans) and waste water disposal channels (SPAL). Through a preliminary survey conducted at the Sahabat Yatim Dormitory Orphanage and from interviews conducted by the community service team, it was discovered that several children at the Sahabat Yatim Dormitory orphanage had a fairly high history of dengue fever sufferers and there were still many conditions in the orphanage that did not meet health requirements. Thus, there is still the possibility of problems related to environmental sanitation and eradicating mosquito nests (PSN) at the Pekanbaru Orphanage Friends Dormitory orphanage. The aim of this activity is to increase the knowledge of children in orphanages about environmental sanitation and eradicating mosquito nests.This community service was carried out at the Sahabat Yatim Dormitory Orphanage on June 29 2022. The method used was health education through group counseling. The result of this community service is to increase the knowledge of children in foster care about environmental sanitation and making compost.

Garbage is a problem that often occurs everywhere. One example is in Tanjungpinang City with various types of waste problems, one of which is plastic waste. For this reason, it needs to be handled seriously. One of the measures that has been carried out by the Tanjungpinang City government regarding the handling of plastic waste is to create a Tanjungpinang Mayor regulation policy no. 14 of 2022 concerning reducing the use of plastic bags. This regulatory policy was implemented on July 7 2022 and the policy of this regulation has been in place for approximately 2 years now. However, the results of implementing this policy regulation are still not as expected, with the data that has been presented in the background proving that every year there is an increase and plastic waste is in second place among the number of types of waste that exist. For this reason, this research aims to evaluate all forms of activities in implementing this policy using a descriptive qualitative approach according to the evaluation theory of Abdulkahar Badjuri & Teguh Yuwono (2002) which consists of 4 indicators, namely: suitability evaluation, effectiveness evaluation, efficiency evaluation and meta evaluation. Based on this theory, this research hopes that in the future this problem can be resolved and that regulatory policies run as expected so as to produce the desired results.

Plastic waste and the limited amount of agricultural land are big problems for the community, especially in rural areas such as Kayuares Hamlet and Ringinanom Village. The aim of this research is to develop a verticulture technique that uses used bottles to optimize the home yard. Tidar University KKN students provided instruction, training and implementation of a verticulture system using used bottles and PVC pipes. The results of the event show that people are more aware of the importance of using yards and managing plastic waste. In addition, a successfully implemented verticulture system increases land use efficiency and produces vegetable harvests that can help family food security by up to 70%. Limited water resources, high initial costs, and ongoing need for assistance are the main problems in implementing this method. The used bottle-based verticulture system allows communities to continue to develop sustainable agricultural methods that are environmentally friendly and economically profitable.

The large percentage of waste is a problem and an opportunity in solving waste problems. Waste management is a systematic, comprehensive, and continuous activity that includes waste reduction and handling. What can be done is by involving and providing education to the community that produces waste. Community participation in waste management is basically interpreted as actively participating in a series of waste management, transportation, and disposal activities based on self-awareness and responsibility to achieve targets in creating a clean and healthy environment. The purpose of this paper is to describe waste management, stages of participation, types of participation, and levels of community participation in waste management in 3 case studies, namely the Margaluyu Environment, Bone Puteh Hamlet and Palattae Village.

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 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.

Due to the continuously increasing volume, the difficulty in distinguishing types of waste, and the heightened public awareness of environmental cleanliness, waste is the result of activities that are no longer used in the production process, so stakeholders must have the ability to manage waste effectively. One of the current problems is trash bins; the trash bins currently in use are only designed to transport waste materials without any other purpose.

Appropriate Technology is a trantition application  from the traditional technology to modern technology. Appropriate Technology is designed by adapting the enviromental, cultural, social, political and economic society with simple principles, affordable and easy to implemnet. Toto Harjo village has good agricultural potential. In order to improve the quality of agricultural land and also deal with household waste that is nt used properly. Community service activities are carried out by providing education about making compost fertilizer that utilizes organic waste form local farmers household. Implementation of community service activities is carried out trough 3 stages, the preparation stage, implementation stage and evaluation stage. The preparatory stages were carried out by making direct observations in Toto Harjo Village regarding organic waste processing problems. In the implementation stage, activities were carried out involving 26 Toto Mulyo Village farmers. The activity was carried out by providing material on how to process organic fertilizer from household waste using the stacked bucket method and practiced directly, which was actively followed by the farmers of Toto Mulyo Village. Evaluation activities are carried out by distributing questionnaires containing participants' understanding and satisfaction with the service activities carried out. The results of the questionnaire show that the community really understands and hopes that similar activities can continue to be carried out

This study discusses the influence of the waste bank program on fulfilling household nutrition in Belawan II. In this context, the problem of child nutrition is a major challenge, especially in urban areas with low economic levels. Medan Belawan District faces nutritional problems due to limited access to nutritious food and low community income, which often hinders the fulfillment of balanced nutrition for children and other vulnerable groups. In addition, this study also highlights the relationship between waste problems and child nutrition, where suboptimal waste management has a negative impact on environmental health and the quality of life of the community. This has the potential to hinder the growth and development of children who should get adequate nutritional intake. The waste bank program is expected to increase family income through better waste management, which in turn can improve access and quality of food consumed by households. Thus, this program not only functions as a solution to waste management, but also as an intervention that supports improving household nutrition in the community. This study uses a descriptive qualitative approach to describe the presence of the digital waste bank movement as a digital-based environmental movemen that can have a positive impact on fulfilling household nutrition in Belawan II, especially amidst the challenges faced during the pandemic.

Education on the Concept of Waste Bank, Green Economy, and Circulating Money to the Community is carried out in order to understand how its application becomes a household income opportunity, for example by becoming a new source of income from saving household waste that has been applied so that it is able to read the economic and environmental problems that occur. How the impact of the Waste Bank on income from household waste. Which is related to improving household welfare through community knowledge / understanding related to Waste Bank, Green Economy, and Circulating Money. From this community service, the results show that with the existence of the Waste Bank, the application of the Green Economy concept can be seen from the collection of household waste easily collected at the Waste Bank, the community becomes a customer, has savings, withdraws money, then continues consumption shopping from the money, which means there is buying and selling activity in the market because there is money circulating in the community. This affects economic activity in the Medan Belawan sub-district.

The ever-increasing use of plastic bags has caused serious problems for the environment. Plastic waste is a material that is difficult to recycle and evaporate so that it can damage the environment. To overcome these issues, this community service activity conducts painting training on tote bags media as an alternative to reduce the use of plastic bags when shopping. This training aims to educate participants about the negative impact of plastic bags and provide skills and train creativity in creating bags that can be used repeatedly. This community service activity involved children from the LKS-A program at the Yayasan Sejubah Insan mulia. In this session, participants learned the techniques of painting and designing tote bags, so they not only gained knowledge, but also practical experience. The results of the training showed that participants became more aware of the importance of reducing the use of plastic and preferring tote bags as a replacement.

iquid waste produced by the food industry has complex characteristics that depend on production capacity. Liquid waste treatment is carried out physically, chemically, and biologically to reduce the concentration of pollutants that pose environmental problems. PT. X is one of the companies that produces food products. The company has been implementing an environmental management system, particularly wastewater treatment, using WWTP technology. The research aims to assess the performance of liquid wastewater treatment processes at PT. X. The research method used is descriptive, with data collection through direct observation and sampling at the WWTP outlet of PT. X. After testing, the research results show that all main parameters produced by PT. X's WWTP comply with the quality standards of the East Java Governor Regulation No. 72 of 2013. Overall, the WWTP performance remains good.