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Hazardous and toxic waste (B3) is waste resulting from a production process, whether industrial or other business activities, where people who live there usually find or produce rubbish, waste water or other activities that are not managed properly, which will have an impact on creatures and the environment. around it, because its nature and concentration, whether directly or indirectly, can damage the environment and the health of living creatures around it. B3 waste is waste or waste whose nature and concentration contain toxic and dangerous substances so that it can directly or indirectly damage the environment, harm health and threaten the survival of humans and other organisms. B3 waste is not only produced from industrial activities but household activities can produce several types of waste. The method used is normative legal research by examining the governing laws and regulations. This research aims to determine the relationship between positive legal regulations and the problem of B3 waste and how to deal with B3 waste so that the environment is maintained.    

The NNC (Nouthetic Nature Community) method is a new method that comes from combining Nouthetic which consists of the elements of Confrontation, Concern, and Change as well as the addition of Nature and Community elements, the author named the NNC method. The author created this new method based on the needs of members of a local church who were experiencing feelings of disappointment. One of the elements of NNC is Community which has an impact on services to the community, distribution of food to people in need, this community is named Dapoer Berkat. Dapoer Berkat community activities aim to ensure that each member experiences recovery through counseling, worship, prayer as well as the loving service of distributing food to the surrounding community. Dapoer Berkat chose this community service place in Ciangsana village, West Java because it is close to the community and in Ciangsana village there are quite a lot of elderly people who still work as janitors, rubbish collectors, and online motorbike taxis. The love of Christ drives Dapoer. Thanks to carrying out this ministry, love is a real action that can be felt by everyone.

Coastal environmental pollution, especially due to plastic waste, has become a serious threat to marine ecosystems and public health. Nambo Beach in Kendari City, Southeast Sulawesi, is one of the areas affected by the lack of waste management and low public awareness. This community service activity aims to increase community awareness and participation in maintaining beach cleanliness through clean-up actions and environmental education. The methods used include collecting rubbish by students and providing education to visitors through poster media. The results of the activity show that there is community enthusiasm for this activity as well as increased understanding of the importance of protecting the environment. Visual education has proven effective in conveying environmental messages, while beach clean-up actions encourage direct behavior change. This activity proves that collaboration between academics and the community can create a positive impact and needs to be implemented sustainably as part of a participatory-based waste management strategy in coastal areas.

The problem in this research is that there are inadequate toilets at the Solok Radjo Tourist Attraction, because there are only two public toilets at this Tourist Attraction. The prayer room is still made of wood and can only accommodate 2-5 people in worship. Insufficient number of rubbish bins at the Solok Radjo Tourist Attraction. There is no special parking area that is neat and well arranged at the Solok Radjo Tourist Attraction. This type of research is a type of descriptive research with qualitative data. This research was conducted at the Solok Radjo Aia Winter Tourist Attraction, Solok Regency, and data collection will be carried out in October-November 2022. The results of this research are 1) Internal factors that become strengths and weaknesses in the development of public facilities In the Solok Radjo Aia Winter tourist attraction, Solok Regency, the strength is that public toilets which are used by visitors for urinating, defecating and performing ablution are very available, where the Solok Radjo Aia Winter tourist attraction has 12 public toilets. Apart from that, the parking area is large so it can accommodate many vehicles, both motorbikes and cars. Meanwhile, the weakness is that the prayer room is only made of wood with a tarpaulin, mat and this is the place used by visitors for prayer. The next weakness is that the rubbish bins around the tourist attraction location are limited, namely only 5 rubbish bins. 2) External factors that become opportunities (Opportunities) and threats (Threats) regarding public facilities at the Solok Radjo Aia Winter Tourist Attraction, Solok Regency, namely the opportunity (Opportunities) is the construction of a Mushalla/Mosque with magnificent architecture which has the opportunity to develop religious tourism. Furthermore, the opportunity (Opportunities) is the cleanliness of tourist locations which can be realized through the availability of organic and non-organic rubbish bins at every point in the Solok Radjo Aia Winter tourist attraction area, Solok Regency. Meanwhile, the threat is the number of visitors who lose their items or have items scattered in the public toilets at the Solok Radjo Aia Winter tourist attraction. Furthermore, another threat is the parking lot which is sometimes frequented by many thugs.

Aspects of environmental sanitation and hygiene at the Soda Water Bath tourism object still do not meet operational standards in terms of the environment of the tourist attraction, food and drink and there is a lack of knowledge about environmental hygiene and sanitation at the tourist attraction. This research aims to obtain an overview of the implementation of sanitation facilities in public baths in the Tarutung Soda Water Baths tourist attraction area. The research method used is descriptive with a qualitative approach. Data collection techniques include observation, in-depth interviews, and documentation with data analysis techniques in the form of data reduction, data presentation, and drawing conclusions. The results of this research indicate that the management of sanitation facilities at the Tarutung soda water baths is still very poor and needs improvement to ensure environmental cleanliness. The environmental sanitation management techniques implemented by the management start from inadequate planning and maintenance, lack of provision of rubbish bins in the tourist area, lack of cleanliness in the bathroom area resulting in an unpleasant odor in the area near the bath, lack of a special room for changing clothes. for tourists, as well as food sanitation that still does not meet standard food sanitation requirements. The author hopes that the management of the Soda Water Baths tourist attraction can improve the condition of the tourist attraction's sanitation facilities, so that paying attention to cleanliness will create comfort for visitors, because the better the sanitation facilities at a tourist attraction, the higher the level of comfort for tourists.

Garbage become problem complex in life urban areas , especially in Medan as Mother city North Sumatra Province . Research This analyze impact management Trash in Place Disposal End (TPA) Terjun , Medan Marelan District , regarding environment surrounding area . Method study use approach qualitative with technique observation , interviews , and studies documentation . Research results show that TPA Terjun has​ area 14 hectares Not yet managed optimally , with the dominant open dumping system . The impacts that arise covering groundwater pollution , pollution​ air , disturbance aesthetics , as well as improvement vector disease . Findings This reinforced by BPS data (2018) which shows density Medan 's population reached 8,342 people /km², correlated with high volume of waste . Research This recommend implementation system management rubbish integrated based on principle health environment and economy circular For reduce impact negative .

Waste is one of the main problems in development, especially in the provision of city facilities and infrastructure. Unorganized and improper waste disposal has caused various serious environmental problems such as loss of natural habitat, air pollution, decreased environmental aesthetic value, and pollution of water bodies. These impacts are felt directly by the community and also affect national development. Kitchen or kitchen is a room filled with equipment Cook from scale small until big For process food that will presented . This term common used in hotel and restaurant industry . Leni's Terrace, a restaurant standing family​ since 2023, born from love three grandchild to figure Grandma they , Oma Leni, who is known Because warmth and deliciousness her cooking . In the past , Grandma Leni often to entertain family and guests with various cuisine typical on the terrace of his house . Leni's Terrace now serve dish with Western, Asian and Indonesian nuances recipe Oma Leni's legacy , accompanied by atmosphere full of nostalgia that gives experience memorable culinary.​

Indonesia is a tropical country which of course cannot avoid the occurrence of dengue fever. engue fever is still one of the serious diseases faced in Indonesia. The results of the Ministry of Health of the Republic of Indonesia in 2022, the number of dengue cases reached 131.265. Prevention and eradication measures are more effective by eradicating mosquito larvae with PSN. PSN efforts require cooperation between the government and community participation. The role of eradicating mosquito nests must always be increased, includes draining water reservoirs, tightly closing water reservoirs, reusing used goods that can hold water and have the potential to become breeding grounds for mosquitoes that transmit dengue fever. In general, most residents use water reservoirs and there are piles of rubbish around the house and there are still puddles and water reservoirs. For this reason, there needs to be education for the community about eradicating mosquito nests, one of which is by utilizing used goods so that they do not become a place for the shelter and development of mosquito larvae that cause dengue fever. The method used in this community service is by providing education and counseling to the community regarding explanations regarding waste management, sorting, benefits and recycling of waste. The implementation of this PkM activity went well and smoothly. The community was enthusiastic in participating in this activity. There was an increase in public knowledge and understanding during the discussion session of the activity. It is hoped that the community can manage waste properly and correctly to avoid various diseases, especially Dengue Fever (DBD).

The beach is an ecosystem that has an important role in human life, both as a natural resource, tourist attraction, and habitat for various marine biota. However, in reality, beach cleanliness currently does not receive special attention, so there is still rubbish in the beach environment, which often disturbs the beauty of the beach at Budi Sun Resort.   This causes damage to the coastal environment and many coastal ecosystems even become extinct.  This community service has three objectives, namely, 1) making participants aware of the importance of keeping the beach environment clean as a step to save the coastal ecosystem, and 2) forming a beach guard unit 3) cleaning the beach environment with the participants. This service method has two stages, namely the preparation stage and the implementation stage. The result of this service is the formation of a beach guard unit to maintain the cleanliness of the beach environment as a step to save the coastal ecosystem.  Apart from that, it was proven that participants were enthusiastic when taking part in real activities and actions to clean the beach environment. However, assistance is still needed to recycle waste.  This community service activity went according to plan and smoothly

Islamic boarding schools are a place to gain knowledge, not only religious and formal knowledge but also the students are taught various things, one example is learning to be aware of maintaining cleanliness. The background to this research is the results of observations that show that the girls' dormitory environment is less clean, resulting in health problems such as skin diseases and poor personal hygiene among students. This research aims to examine the effectiveness of the behavioral operant conditioning approach in forming clean and healthy living behavior (PHBS) in students at the Nashrus Sunnah Islamic Boarding School in Banjarejo Village, Madiun City. This research uses a qualitative method with a naturalistic approach, involving observation, interviews and documentation as data collection techniques, and data analysis is carried out inductively with triangulation of data sources for validity. The research results show that through the operant conditioning approach implemented by the health task force and academics, students show an increase in clean and healthy living behavior. Habits such as throwing rubbish in its place, maintaining personal hygiene, and cleaning the dormitory environment have become new habits that are implemented in a disciplined manner. This approach is also followed by giving rewards and punishments as a form of reinforcement to maintain the consistency of the new habit. In conclusion, the behavioral operant conditioning approach is effective in increasing PHBS in Islamic boarding school environments, showing significant changes in the behavior and motivation of students in maintaining cleanliness and health.

Implementing disaster management is a series of efforts that include establishing development policies that are at risk of disasters, disaster prevention activities, emergency response and rehabilitation. Currently several areas in Tanjungpinang City have the potential for flooding, only the Tanjungpinang City District and Bukit Cermin sub-district are free from flooding. According to him, there are many causes of waterlogging, such as inadequate drainage, rubbish blocking ditches, and housing that does not have drainage channels, the water drainage system needs to be repaired. The flow of water in the drainage must be clear so that it does not overflow onto the roads and into residential areas. The aim of the research is to determine the efforts made by the local government in dealing with floods in Tanjungpinang City. Then in this research the researcher refers to Ndraha (Labolo, 2010:36). The method in this research is that the author uses a qualitative descriptive research type using interview and observation data collection techniques. Based on the research, it can be concluded that the Regional Government in Flood Management in Tanjungpinang City has played a role. The following research results show that the government's role as a regulator is by making rules or regulations in disaster management, which are stated in the Tanjungpinang City Regional Regulation (PERDA) Number 03 2016 concerning the Implementation of Disaster Management. The role of the dynamist is to provide intensive and effective guidance and direction to agencies and communities related to disaster management. The government's role is as a facilitator by carrying out prevention efforts and providing facilities due to the impact of flooding.