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The United Nations and the World Meteorological Organisation predict that around 5 billion people will lack clean water and even drinking water (Source: Conference on Our World in Concrete and Structure in Singapore). Based on the aforementioned phenomenon, given the abundant potential of seawater resources, there is an idea to use seawater as a concrete admixture, especially in building locations that often interact with seawater. Research is carried out in an effort to find alternatives to improve the mechanical properties of concrete such as compressive strength values, split tensile strength, namely by using additives as self-compacting concrete technology and making seawater and sea sand as a substitute for fresh water and river sand

Sustainable water resource management is a crucial issue, especially in horticultural agricultural areas such as Berastagi, Karo Regency, North Sumatra. This area is known for its abundant water resources, but the challenge in optimizing water distribution and quality is still a problem. This study aims to analyze the level of community participation in water resource management in Berastagi and to develop a sustainable management strategy using the SWOT approach. The method used in this study is a SWOT analysis that considers strengths, weaknesses, opportunities, and threats in water management. The results show that community participation in technical aspects is quite high, but still low in terms of planning and evaluation. The main strength factors are abundant water resources and support from the farming community, while weaknesses lie in limited infrastructure and water pollution from agricultural activities. The main opportunities for sustainable water management include irrigation modernization and increased government regulation, while the main threats are the impacts of climate change and the use of chemicals in agriculture that have the potential to pollute water. From this SWOT analysis, it is recommended to develop technology-based irrigation infrastructure, increase socialization and community education to increase involvement in water management, and collaboration between the government, community, and research institutions. It is expected that this strategy can strengthen sustainable and adaptive water resource management in the Berastagi horticultural area.

This study aims to examine the illegal land ownership of the Pusong Reservoir in Banda Sakti Subdistrict, Lhokseumawe City by the local community, viewed from the perspective of Islamic law, specifically the concept of milk al-daulah, and national legislation, particularly Law No. 17 of 2019 on Water Resources. The phenomenon of land ownership in the reservoir has resulted in various impacts, including ecosystem damage and the potential for conflicts between the community and the government. This research uses a juridical-sociological approach with a descriptive-analytical qualitative method. Data were collected through interviews, observations, and literature studies. The findings show that the community’s ownership of the reservoir land, which is used for business and residential purposes, is in conflict with the principle of milk al-daulah and Law No. 17 of 2019, which stipulates that water resources are controlled by the state and must be used for public interest. The weak implementation of government oversight in managing this land has led to an imbalance between the interests of the community and the state. This study recommends better management of the reservoir land to ensure ecosystem sustainability and community welfare.  

Extension on Fish Cultivation in Buckets (Budikdamber) to groups of housewives aims to increase understanding, skills and independence in managing local resources to support family food security. This activity was carried out in Huangobotu Village, Dungingi District, Gorontalo City, using lecture, discussion and live demonstration methods. The material presented includes efficient fish cultivation techniques using buckets as a medium, as well as integration with plants as an integrated agricultural system. The results of the activity showed that participants had high enthusiasm in adopting this simple technology. In addition, they can manage fish and plant cultivation independently in the household environment, which can increase the fulfillment of family food needs. However, several challenges arise regarding water management and selecting appropriate fish feed. This program shows great potential in increasing food security, especially for housewives in urban areas with limited land. The long-term success of this program requires ongoing support in technical aspects and solving problems that arise during the implementation of Budikdamber. Through this program, it is hoped that a community will be created that is more independent in meeting the nutritional needs of the family, as well as playing a role in realizing family-based food security.

Research aims to look at the implementation of the bioflog system at the Al Kautsar 561 Islamic Boarding School as an effort to support sustainable agriculture. Using a qualitative approach with descriptive design, this research analyzes the implementation process, benefits and obstacles faced. The research results show that the bioflog system has succeeded in increasing the productivity of tilapia cultivation significantly. Apart from that, this system is also able to reduce the use of chemical fertilizers and improve water quality. Factors that support success include full support from Islamic boarding school administrators and active involvement of students. However, this research also identified several obstacles such as limited resources and weather fluctuations. This research concludes that the bioflog system has great potential to become a model of sustainable agriculture in Islamic boarding school environments. It is hoped that the results of this research can become a reference for other Islamic boarding schools in implementing similar systems and encourage the development of policies that support sustainable agriculture.

This research aims to design and test a genset fuel conversion system from gasoline to HHO gas (brown gas) as a more environmentally friendly alternative. Conventional fossil-fueled generators face challenges in theform of limited resources and the impact of environmental pollution. In this study, HHO gas is produced through a water electrolysis process using an HHO generator that separates water molecules into hydrogen and oxygen using electric current. The test results show that increasing the voltage from 2.58 V to 5.12 V significantly increases the volume of gas produced. At a voltage of 2.58 V, the gas volume reached 110 ml, and increased to 750 ml at a voltage of 4.72 V. The generator set was successfully operated for 1 minute 15 seconds with HHO gas using a separate battery power source. These results demonstrate the potential of HHO gas as an efficient alternative fuel for generator sets. This study recommends further testing with voltage and current variations to find the optimal configuration, as well as the use of a larger power source to increase the efficiency of HHO gas electrolysis.

Clean drinking water is a basic necessity with increasing demand due to population growth and rising health awareness. This study aims to evaluate the business feasibility of PT. Bumi Daha Sejahtera in producing clean drinking water, focusing on three key aspects: marketing, human resources (HR), and environmental impact. The research employs a descriptive qualitative method, collecting data through interviews, observations, and document analysis. The findings reveal a significant market potential for drinking water in the company’s operational area with moderate competition levels. In terms of HR, the local workforce is sufficiently available and can enhance their competencies through training programs. From an environmental perspective, the company can minimize negative impacts by adopting eco-friendly technologies and complying with regulatory standards. The study concludes that PT. Bumi Daha Sejahtera’s business is feasible, provided that these aspects are managed sustainably. The implications of this research highlight the importance of implementing effective marketing strategies, continuous employee training, and proper environmental management to ensure business sustainability.

Natuna waters are the most vulnerable area to illegal fishing because there is abundant potential for fishery resources. It was recorded that from May to December 2016, there were 280 foreign vessels in Natuna waters, which resulted in economic losses of 2.98 trillion Rupiah. This study aims to examine and assess the policies and actions that the Indonesian government has implemented in overcoming illegal fishing activities in the area. The results of this study are that the Natuna Waters Area is part of the Indonesian Archipelago Sea Lane (ALKI) and functions as a global waterway. The Natuna Waters Area borders with neighboring countries and is connected to open waters, making it vulnerable to illegal fishing activities. The Indonesian government's strategy in dealing with cases of unlawful fishing in Natuna waters effectively increases the protection of state sovereignty and marine resources through policies such as sinking ships and maritime diplomacy. However, this implementation policy overcomes obstacles in the form of intimidation from other countries, such as China, and weaknesses in supervision and coordination between domestic institutions, which can affect microorganisms in fisheries management and maritime security in the area.

The decline in the quality and quantity of groundwater resources is one of the biggest challenges in natural resource management in many areas. Mapping the potential of groundwater requires technology that can identify and detect the presence of water sources with high accuracy. The purpose of this study is to develop a groundwater detection application using a capacitance-based remote sensing method, which leverages the principle of capacitance changes on the soil surface due to the presence of groundwater. The capacitance sensing method was chosen because it can detect differences in capacitance between water-filled soil and dry soil. In this study, we integrate a capacitive sensor connected to electronic devices into a mobile application to visualize and analyze the data in real-time. This application aims to enable users, such as farmers and researchers, to easily monitor and detect the presence of groundwater sources at various locations with high efficiency.

Indonesia has significant fisheries potential due to its vast waters. Its abundant fishery resources have strong export potential. However, export activities often face challenges that cause export volumes to fluctuate. This fluctuation is influenced by various factors. These factors can be minimized using statistical methods such as Principal Component Analysis (PCA) and Factor Analysis. This study includes data characterization for each variable and testing PCA and factor analysis assumptions, including multivariate normality testing, independence testing (Bartlett's test), sampling adequacy (KMO test), anti-image correlation testing, PCA testing, and factor analysis. The results indicate that the percentage contribution of fisheries to GDP, the number of coastal villages with disaster mitigation facilities, and the average daily per capita calorie consumption from fish are relatively less dispersed and not highly variable around the mean. Additionally, all data meet the assumptions, and the sample size is adequate. Factors such as aquaculture pond production and the percentage contribution of fisheries to GDP sufficiently explain the data variations.

The global clean water crisis is exacerbated by significant losses in water distribution networks (WDNs), resulting in inefficient use of both water and energy resources. Traditional methods of leak detection and pressure management often fail to address these inefficiencies, leading to substantial water wastage and high operational costs. This research aims to design a sustainable, smart water distribution system using advanced technologies such as Machine Learning (ML) for leak detection and automated pressure control. The system employs real-time monitoring through IoT sensors, which continuously gather data on water pressure, flow rates, and other critical parameters. This data is analyzed using various ML algorithms, including supervised and unsupervised learning models, to detect anomalies indicative of leaks. Additionally, the system integrates automated pressure control mechanisms that dynamically adjust pressure to prevent over-pressurization, reducing both water loss and energy consumption. By combining leak detection and pressure control, the proposed system offers a more efficient, sustainable solution to water resource management compared to traditional methods. The expected outcomes include a significant reduction in water loss, enhanced energy efficiency, and improved water service quality. However, the implementation of such a system in rural or small-town infrastructure faces challenges, including sensor maintenance, algorithm reliability, and regulatory issues. A cost-benefit analysis suggests that while the initial investment in smart technologies may be high, the long-term savings in water and energy costs outweigh these costs. This study underscores the potential of ML-based systems in enhancing water conservation, operational efficiency, and sustainability in water management.

This research aims to evaluate the effectiveness of using biopore holes in Pasuluhan Village as a means of absorbing rainwater and producing natural compost. To manage the intensity of rainwater entering the soil and processing organic waste, Pasuluhan residents can create biopore absorption holes as a simple technology that has great potential in managing the intensity of rainwater absorbing into the soil and managing organic waste. The method used includes making biopore holes in 6 strategic locations in the Pasuluhan area. Several points were used to make biopore holes, namely at the residences of Pak Sukriadi, Pak Subur and Pasuluhan Village. The research results show that biopore holes are able to increase the soil’s absorption capacity for rainwater, which has a positive impact in reducing waterlogging and flooding. Apart from that, biopore holes have also proven effective in processing organic waste into compost which is beneficial for soil fertility. Thus, it is hoped that the application of this technology can be a practical and environmentally friendly solution and can be easily applied by local residents in managing water and waste resources in the Pasuluhan area.

This study aims to identify the potential and development strategies for a community-based tourism village in Asap Indah Tourism Village. Data were obtained from observations, interviews, and literature studies. A SWOT analysis was applied to determine the weaknesses, strengths, opportunities, and challenges of developing Bedono tourism village, which can be used to determine the appropriate strategies for community-based tourism development in Bedono Village, Sayung District, Demak Regency. In this research, the process of data reduction, data presentation, and conclusion drawing was carried out simultaneously. The research results concluded that Asap Indah Tourism Village in Wonosari Village, Bonang District, Demak Regency has high potential for development into a community-based tourism village, including fish smoking, water apple agro-tourism, local restaurants, and Bule fishing spots. Based on the SWOT analysis, several strategies can be enhanced to develop Asap Indah tourism village in Wonosari Village, Bonang District, Demak Regency, including strategies for developing tourist attractions, such as creating integrated tourism packages and holding special events; forming a tourism management team; enhancing promotion strategies; improving infrastructure; improving tourism human resources; and strengthening cooperation with stakeholders and investors. If these potentials are developed by involving and empowering the local community, they can increase the value and benefits for the local population in terms of economy, socio-culture, religion, and environment.

Sababilah Village in Dusun Selatan District, South Barito Regency, has great potential to increase food security through optimal resource management. With lowland topography and a tropical climate, this village has fertile soil that is ideal for various plants. The 2024 Real Work Lecture Program (KKN-T) from Palangka Raya University focuses on developing food security by planting various plants using innovative planting media containers such as drinking water glasses and providing technical assistance in watermelon harvesting. The results of the activity show that this agricultural technique is effective in utilizing local resources and increasing crop yields. To increase success, it is recommended that villages expand modern agricultural training, involve communities more actively, and develop local markets for agricultural products. Regular evaluation is also important to ensure the program's sustainability and positive impact.

Maritime security and environmental protection in Indonesian waters, especially in Tanjung Uban, are strategic issues considering the high level of shipping activities and potential threats to marine ecosystems. This study focuses on the juridical analysis of the role of the Marine and Coast Guard Unit (KPLP) in improving maritime security and environmental protection, with a case study at the Tanjung Uban Class II Marine and Coast Guard Base. The purpose of this study is to evaluate the effectiveness of the implementation of the duties and functions of the KPLP based on the existing legal framework, identify the obstacles faced, and provide recommendations to improve the performance of the KPLP. The research method used is a qualitative approach with descriptive analysis, including document studies, field observations, and interviews with related parties. The results of the study show that although KPLP Tanjung Uban has a strong legal foundation, the implementation of their duties and functions is still not optimal. The main obstacles include limited resources such as adequate personnel and equipment, lack of continuous training which results in low personnel competence, and ineffective coordination with related agencies such as the Indonesian Navy and Bakamla. The low awareness and compliance with safety and environmental regulations among maritime industry players also exacerbates the situation. Based on these findings, this study provides several suggestions. For KPLP, an increase in the budget is needed for the procurement of resources and equipment, as well as continuous training for personnel. For the public, especially ship owners and other users of waters, it is important to increase awareness and compliance with maritime and environmental regulations through active participation in education and socialization programs. Meanwhile, the government must strengthen coordination between relevant agencies through the establishment of regular coordination forums and integrated information systems, to ensure better synergy in surveillance, law enforcement, and emergency response in the waters of Tanjung Uban. This research is expected to make a significant contribution to improving maritime security and environmental protection in Indonesia, as well as becoming a reference for the development of more effective policies and strategies in the management of water areas

When viewed from a cultural perspective, the tourism industry indirectly plays an important role in the development of regional culture. Local wisdom is the potential of a culture that can be developed by the community so that the authenticity of that culture is maintained. It is hoped that the development of a tourism area based on local wisdom will have a positive impact on the people of Asey Besar Village. This research aims to determine the potential of a local wisdom-based tourism area in Asey Besar Village. To find out about the development of a tourism area based on local wisdom in Asey Besar Village, Jayapura Regency. The research method used is a qualitative descriptive method. Based on the research results, it was found that the potential for developing a tourism area based on local wisdom in Asey Besar Village is planned as a strategic area for traditional villages with known resources in the form of natural beauty, and has a landscape character with flora and fauna habitat, clear waters, topography, type of vegetation. Planning for regional development as a tourism area with local wisdom is carried out by increasing and developing investment in the social and cultural spatial structure of regional communities in Asey Besar Village. For the Government and Community, efforts must be made to preserve the potential of local wisdom in Asey Besar Village  which supports tourism by the government and community as those responsible for protecting and maintaining local wisdom while maintaining culture as a characteristic of the tribal community of Asey Besar Village.

Management Community-based natural resource management and conservation is an effective approach in maintaining environmental sustainability and improving the welfare of local communities. This research aims to analyze the natural resource management and conservation strategies implemented by the people of Tanjungsari Village, Sadananya District, Ciamis Regency. The research method used is a qualitative approach with data collection techniques through in-depth interviews, participatory observation, and documentation studies. The results showed that the Tanjungsari Village community has developed various local initiatives to preserve water sources, and manage tourist attractions in the village. The active participation of the community in conservation activities, support from the local government, and cooperation with non-governmental organizations are key factors in the success of this program. The study concludes that a community-based approach to natural resource management is not only able to preserve the environment, but also contributes to improving the economic and social welfare of local communities. In addition to management, socialization was held. The implementation of these socialization activities is proven to increase the understanding and skills of the community in managing tourism potential in a sustainable manner. In addition, support from the local government and active participation of the community are important factors in the development of curug lewi pamipiran as a leading tourist attraction in Ciamis Regency. This study concludes that institutional strengthening through socialization and training is an effective strategy to optimize regional tourism potential, improve community welfare, and encourage local economic development.

Conservation is about the balance of nature. Panlungan Village, located in Wonosalam Subdistrict, Jombang Regency, has natural potential in the form of abundant forests and springs. However, illegal logging in 1998 damaged Panlungan's forests, reducing the headwaters of the river and increasing the risk of natural disasters such as landslides. Awareness of the importance of forests as a source of oxygen and habitat for various species prompted the local community to form the Kepu Forest Farmer Group (KTH) which focuses on conserving and planting forests with native plants. The Mendiro Settlement spring in Panlungan Village is the main source of livelihood for the local community, but is under serious threat due to man-made environmental degradation. The Kepuh Forest Farmers Group (KTH) has played an active role in the sustainable management of springs since the 1990s, with a focus on protecting the environment and educating the community about the importance of forest ecosystem conservation. This research shows that active community participation in forest and spring conservation is essential to preserve natural resources in Panlungan village. By strengthening supervision of illegal logging activities, strengthening conservation programs, and raising awareness of the importance of maintaining forest ecosystems, we hope to ensure the survival of future generations and the preservation of clean water sources for the people of Panlungan Village.  

Indonesia's marine natural resources are one of the efforts to support Indonesia's national development vision to become a maritime axis through the management and utilization of marine natural resources. According to Kartamihardja, et al (2009:3), fisheries potential is of the opinion that Indonesia's public waters have a high diversity of fish species, so that people can take advantage of this fisheries potential. Based on measured data, according to Nuitja (2019:1), Indonesia has 95,181 km of coastline, with approximately 5 million areas of economic exclusion zone. The enormous potential of marine resources needs to be utilized optimally to encourage the maritime sector in Indonesia.

Indonesia is known as the largest archipelagic country in the world and is recognized as having a maritime territorial area that is almost equal to its land area. Indonesia's territorial waters contain abundant potential fishery resources and marine diversity, making it known as a maritime country. Illegal fishing is an activity or fishing activity that is contrary to a country's laws or international regulations, where the majority of perpetrators are corporations. Illegal fishing practices have a tremendous impact on marine sustainability, causing huge losses to the country. The occurrence of illegal fishing is caused by weak law enforcement and supervision in Indonesian waters and the authorities' indecisiveness in handling illegal fishing perpetrators. Understanding illegal fishing and crimes committed by corporations should be a strong basis for every legal practitioner to process and impose appropriate and correct sanctions on every perpetrator of illegal fishing or corporate crime perpetrators. The method used in this research is a normative legal research method sourced from primary data, namely the Criminal Code (KUHP), Law Number 45 of 2009 in conjunction with Law Number 31 of 2004 concerning Fisheries, Law of the Republic of Indonesia Number 32 of 2009 concerning Environmental Protection and Management (UUPPLH), secondary data and tertiary data based on regulations relating to fisheries and corporate crimes. The data collection method is qualitative descriptive analysis with literature study using a statute approach. This research aims to determine the factors that cause the crime of illegal fishing in Indonesia, the legal responsibility of corporations related to the crime of illegal fishing in Indonesia and the efforts made to prevent or eradicate the occurrence of criminal acts. illegal fishing in Indonesia.