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This study aims to examine the role of ecotourism in mangrove conservation and its appeal to tourists at Mangrove Beach Paluh Getah, Deli Serdang Regency. A qualitative approach was used, with data collected through direct observation and interviews with local communities and visitors. The findings indicate that ecotourism plays a significant role in rehabilitating mangrove ecosystems by engaging both residents and tourists in regular mangrove planting activities. Moreover, ecotourism positively impacts local livelihoods by promoting sustainable businesses such as tour guiding services and mangrove-based products. The natural beauty, biodiversity, and educational tourism programs serve as key attractions for visitors. Local communities actively manage the area through tourism awareness groups and cooperatives, enhancing both social and economic sustainability. However, challenges remain, including limited facilities and insufficient promotion. Therefore, sustainable development strategies involving collaboration between communities, the government, and the private sector are essential. Ecotourism at Paluh Getah Mangrove Beach holds great potential as a model for coastal area management that integrates conservation and community empowerment.  

This service activity was conducted in RT 11 Pantai Amal Village, East Tarakan District, Tarakan City, North Kalimantan Province on May 6, 2025 at 13.00-17.00 WITA. This activity was conducted at the house of Mrs. Hadirah with the participation of the local community, especially people who have a history of hypertension. This community service activity aims to empower coastal communities in Pantai Amal RT 11 village through nutrition education and intervention of mung bean porridge for hypertension control. The implementation method includes interactive counseling on mung beans, benefits of mung beans, conditions for limiting mung bean consumption, and demonstration on how to prepare modified mung bean porridge, as well as distribution of mung bean porridge to residents with hypertension accompanied by questions and answers related to hypertension. The results of the activity showed an increase in participants' knowledge about the nutritional value of mung bean porridge. This activity also triggered the formation of a community group committed to continuing the program independently. In conclusion, the combination of nutrition education and local ingredient intervention is an effective strategy to empower coastal communities in sustainable hypertension control.

This study aims to explore the strategies employed by local fishermen in practicing environmentally friendly fishing at Olo Beach, Belawan, North Sumatra. The research is motivated by the declining fish catches, which have raised collective awareness among the fishermen about the need to sustain marine ecosystems. Using a descriptive qualitative approach, data were collected through direct observation and in-depth interviews with selected fishermen. The findings reveal that fishermen have adopted several adaptive strategies, including limiting the number and size of fish caught, avoiding the use of destructive fishing tools, and maintaining the tradition of mutual cooperation in preparing fishing equipment. These strategies emerged from shared experience and community consensus, without formal government regulation. The results highlight the potential of grassroots initiatives in contributing to marine conservation. Therefore, it is essential for the government and related institutions to support these local practices through education, provision of sustainable fishing technology, and the development of alternative livelihoods for coastal communities.

The 2011 Tohoku tsunami stands as one of the most catastrophic natural disasters in Japan’s history, resulting in massive loss of life, extensive property damage, and severe disruption to infrastructure along the northeastern coast. This study aims to examine the physical characteristics of the Tohoku tsunami and critically evaluate the factors that led to the failure of Japan’s disaster mitigation systems. Utilizing an essay-based synthesis approach, this analysis draws from a range of previous research findings and post-disaster assessments. The tsunami was caused by a 9.0 magnitude megathrust earthquake off the eastern coast of Honshu, generating wave heights that exceeded 10 meters in several locations. The tsunami’s immense energy produced destructive currents that penetrated deep inland, surpassing the protection capabilities of existing coastal defenses.The study identifies several contributing factors to the mitigation system’s shortcomings: the design limitations of seawalls, which were not built to withstand such extreme events; delays and limitations in the early warning system’s ability to reach all at-risk populations in time; and inadequate public preparedness, as the event exceeded historical precedents and training scenarios. These vulnerabilities highlight the need for integrated, adaptive disaster risk management strategies.Drawing lessons from Japan’s experience, this study proposes recommendations for improving tsunami mitigation efforts in Indonesia. Key suggestions include reinforcing and redesigning coastal defense structures, advancing early warning technologies such as seabed sensors and coastal radar systems, and enhancing disaster literacy through public education and scenario-based training. By adopting a science- and technology-driven approach, Indonesia can strengthen its resilience and reduce vulnerability among coastal populations facing future tsunami threats.

Puuk Beach is one of the beaches located in North Aceh. This beach is used as a tourist spot, transportation and fishing area. In this Community Service activity, mangrove rehabilitation was carried out on Puuk beach with the aim of providing important information related to preserving the mangrove ecosystem as an effort to mitigate coastal abrasion. This activity involves the community around Puuk Village. The method used in this community service is education by providing mangrove-related material and coupled with direct mangrove planting in the area. In general, this activity ran smoothly and was followed with quite high enthusiasm by all participants.It is hoped that with this activity addition, the mangrove forest ecosystem can be the location of fishing and recreational tourism so that it can increase the amount of income of the Puuk Village community in the future.

Puuk Beach is one of the beaches located in North Aceh. This beach is used as a tourist spot, transportation and fishing area. In this Community Service activity, mangrove rehabilitation was carried out on Puuk beach with the aim of providing important information related to preserving the mangrove ecosystem as an effort to mitigate coastal abrasion. This activity involves the community around Puuk Village. The method used in this community service is education by providing mangrove-related material and coupled with direct mangrove planting in the area. In general, this activity ran smoothly and was followed with quite high enthusiasm by all participants.It is hoped that with this activity addition, the mangrove forest ecosystem can be the location of fishing and recreational tourism so that it can increase the amount of income of the Puuk Village community in the future.

This community service activity was conducted in Pantai Amal Village, Tarakan City, aiming to introduce and preserve traditional games that are increasingly neglected due to the dominance of gadgets among children. The program began with a brief socialization session on the importance of preserving traditional games in the digital era, followed by the practice of five traditional games: marbles, rubber jump, congklak, cabang, and bekel ball. Pre-test results showed that most children were unfamiliar with the rules and gameplay, while post-test results indicated a significant improvement in their understanding and ability to play. Children demonstrated great enthusiasm throughout the activity and even requested for future sessions. This program serves not only as entertainment but also as a medium to strengthen physical health, cognitive skills, social character, and local cultural preservation. Therefore, the activity contributes to maintaining socio-cultural identity in coastal communities and offers a relevant non-formal educational alternative.

This research investigates the resilience of coastal communities in Desa Sukamulya, Kecamatan Paku Haji, in responding to the impacts of climate change. Using a quantitative approach with a survey method, data were collected from 40 respondents, including fishermen and coastal business actors. Findings reveal significant challenges faced by these communities, such as extreme weather, shifting fishing seasons, and declining fish catches, which negatively affect their economic sustainability. While awareness of climate change exists, gaps remain between understanding and actual adaptation efforts due to limited resources and inadequate infrastructure. The high dependency on fishing as a primary income source increases vulnerability, compounded by low savings, limited job diversification, and weak participation in social and cooperative networks. This study recommends enhancing livelihood diversification, improving coastal infrastructure, strengthening community organizations, providing climate education, and rehabilitating coastal ecosystems like mangroves and coral reefs. These strategies aim to bolster the resilience of coastal communities, ensuring better adaptation to climate change and the sustainability of their livelihoods.

The screening and education program on the prevention of degenerative diseases was conducted in the coastal community of Panjang Island, Batam. This initiative aimed to address the high prevalence of degenerative diseases such as diabetes, hypertension, and dyslipidemia through health screenings and community education. The study involved 55 participants, primarily pre-elderly individuals, and included examinations of blood pressure, cholesterol, blood sugar, and uric acid. The results revealed that 65.5% of participants had hypertension (34.5% with Stage 1 and 31% with Stage 2), while 69.1% had high cholesterol levels. Blood sugar screening indicated that 14.5% of participants had elevated glucose levels. Uric acid levels were high in 47.3% of participants, predominantly among women. Additionally, 78% of respondents with comorbidities presented abnormalities in at least one biochemical parameter. Educational sessions resulted in a 26.4% increase in knowledge about disease prevention and healthy lifestyles. The program highlighted the importance of regular health screenings, lifestyle modifications, and community empowerment for sustainable health improvements. Collaboration with local health centers and the establishment of health cadres are recommended for ongoing support and monitoring of degenerative disease prevention efforts.

This study examines the educational challenges of fishermen's children in Eretan Wetan Village, focusing on economic factors, accessibility, and cultural views that influence their participation in formal education. The purpose of the study was to identify the barriers faced by fishermen's children in accessing education, and to develop recommendations to improve the quality of education in coastal areas. The method used was qualitative research with a case study approach, where data were collected through in-depth interviews and direct observation of the lives of fishing communities. The results showed that poor socio-economic conditions of families, limited access to education due to the distance of schools, and cultural views that prioritize work as fishermen over formal education, were the main obstacles. Therefore, community-based interventions are needed to overcome these barriers, as well as government policies that support the development of educational infrastructure and increase awareness of the importance of education to empower coastal communities and break the cycle of poverty.

The Pantai Indah Pohe tourist area in Pohe Village, Gorontalo City, holds significant potential as a premier coastal tourism destination. However, challenges such as a lack of adequate location markers and insufficient visual promotion strategies hinder its development. To address these issues, a community service initiative was carried out by the D4 Architecture and Building Construction (ABG) Program at Gorontalo State University. The initiative aimed to enhance the visual image of the area and foster greater community involvement in promoting local tourism. The project adopted a participatory approach, actively engaging the village government, tourism awareness groups, and residents of various age groups. The activities involved creating and installing a new signage system for the "Pantai Indah Pohe" area, which serves as a crucial element for enhancing the visibility of the tourist spot. In addition, community engagement was facilitated through events such as coloring contests and sack races, aimed at promoting a sense of unity and local pride. The outcomes of this initiative revealed an increase in community awareness regarding the importance of visual promotion for tourism. It also fostered stronger social connections between local residents and academics, contributing to the community’s sense of ownership and pride in their local resources. Furthermore, the initiative provided tangible contributions to the strengthening of the local identity, with community members actively participating in the improvement process. The project aligns with Community-Based Tourism (CBT) principles and placemaking theory, which emphasize the importance of community involvement in shaping tourist destinations. This community service activity serves as an exemplary model of integrating architectural design, education, and sustainable tourism development, showcasing how academic and community collaboration can drive positive changes in local tourism promotion.

Paulo Freire’s concept of liberal education is still not implemented in the world of education in developing countries. Educational actors still adhere to the banking system to oppress students. This study raises a social correlation between educators and students called school family kinship. The education curriculum needs to be used as an indicator of success in terms of the intelligence of the children. The curriculum has continued to transform since 1947 to 2022 but has not found its identity.  Now, the independent learning curriculum is intensively grounded, but there are gaps between regions and between socio-economic groups in terms of learning quality. The implementation of the independent learning curriculum is considered not to have a significant positive effect in the outermost and marginalized areas. Therefore, the old pattern called banking system of education is still used. Students are considered empty piggy banks that must be filled by the teacher. Teachers are still recognized as the all-knowing in knowledge that must be poured into the brains of students. As a result, students can only follow what is transferred by the teacher. This is the basis for the author to try to provide briefings to Catholic teachers and education personnel in Wini and Wekfau parishes regarding the implementation of an independent curriculum in Catholic Schools. This study uses qualitative methods with observation techniques carried out in coastal parishes (Wini) and in the mountains (Wekfau) in terms of geographical location to find out the similarity of perceptions of the independent curriculum. This study applies a qualitative method with observation techniques carried out in the coastal parish (Wini) and in the mountains (Wekfau) in terms of geographical location to find out the similarities in perceptions of the implementation of the independent curriculum in two different areas.

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.  

Pantai Amal Baru Village, East Tarakan District, Tarakan City, is a coastal area in Tarakan City that has abundant tourism potential and marine resources. The majority of the people of Tarakan City rely on resources in coastal areas as their livelihoods, especially as seaweed cultivators, fishermen, and coastal natural tourism drivers. Tarakan City has a fairly high potential for cultivating fishery commodities, one of which is seaweed resources, which are products of economic value as industrial raw materials that are urgently needed in the global market. However, seaweed cultivators face several problems, including capital, production costs, unstable market demand, unstable seaweed prices, and seaweed workers who do not have enough knowledge and skills regarding the improvement of seaweed processing in Tarakan City. This service activity was held in Pantai Amal Baru Village, East Tarakan District, Tarakan City, North Kalimantan Province on September 16, 2024 at 09.00-16.00 WITA. This activity was carried out at the seaweed cultivation site of Pantai Amal Baru with the participation of IRT, seaweed workers, and also small children. The methods carried out in this service activity are community education, improving the quality of seaweed cultivation, and documentation. This service activity describes the comprehensive objectives of the community service program which includes aspects of marine resource management and economy in the coastal community of Amal Baru Beach. This includes community education, improving the quality of seaweed cultivation, developing seaweed processing and increasing income.

Self-confidence is a character that must be instilled in oneself from an early age, especially in this case for teenagers in the coastal area of Tomini Bay. The coastal area of Tomini Bay has rich natural resource potential and diverse cultural diversity. However, this area often faces various challenges, especially in terms of education and character development of its young generation. Teenagers tend to feel unable to be equal to other teenagers in urban environments. This is because of their low self-confidence. Therefore, starting from this problem, the community service offers a solution by forming a self-confidence character through Public Speaking training for junior high school students in the coastal area of Tomini Bay. Public Speaking training gives students the opportunity to practice speaking in front of many people, be able to respond to feedback constructively, and overcome nervousness or anxiety. A structured and ongoing training program is expected to form a self-confidence character in students. The implementation of this community service activity uses a training method. This community service activity will be carried out at SMP Negeri 3 Satap Bonepantai. This school is one of the schools included in the coastal area of Tomini Bay. It is hoped that with this service, it can be a solution for the low level of student confidence to appear speaking in public in this case through Public Speaking training.

The planting of Casuarina trees in Pidodokulon Village, Kendal Regency, aims to prevent coastal erosion in the Pilangsari Beach area and develop its potential as a marine educational tourism destination. The planting process involved site surveys, placing bamboo stakes as markers, and planting the saplings, with participation from various community elements, including KKN students, the village head, and local environmental enthusiasts. Preliminary results show positive impacts on erosion prevention, with the growth of Casuarina and mangrove trees around the beach area. While the tourism potential may take time to fully develop as the trees mature, this activity provides significant benefits for the preservation of the beach ecosystem and raises awareness among the community and students about the importance of environmental conservation.

The community service program in Kartikajaya Village aims to develop local economic potential through mangrove planting as a tourist attraction. Kartikajaya Village has geographical conditions that support the development of ecotourism, but the lack of public awareness and understanding of the benefits of mangroves is a major obstacle. This activity involves local communities in the process of planting and maintaining mangroves, as well as providing education about the importance of mangroves in maintaining the balance of coastal ecosystems and increasing village tourism attractiveness. The results of this program showed an increase in community awareness of environmental conservation as well as an increase in tourist visits to the village. Thus, mangrove planting not only serves as an environmental conservation effort, but also as a driver of economic growth through the tourism sector in Kartikajaya Village.

Crisis aquatic biodiversity is a critical environmental issue, triggered by human activities such as overfishing, pollution, and climate change, which have serious impacts on the stability of ecosystems and the climate change, which has serious impacts on the stability of ecosystems and the livelihoods of coastal communities. livelihoods of coastal communities. This research aims to examine community-based solutions in restoring degraded aquatic ecosystems, with a focus on the integration of sustainable aquaculture technologies and aquaponic systems. The methodology used was a comprehensive literature analysis of scientific articles, journals and relevant publications. The research findings show that sustainable fisheries management, habitat restoration, environmental education and awareness, implementation of environmentally education and environmental awareness, the application of environmentally friendly technologies, and the development of supportive policies are the main strategies for sustainable fisheries management. development of supportive policies are key strategies in improve conservation effectiveness. The implications of this research show that a community-based approach is not only effective for the conservation of aquatic biodiversity, but also provides practical guidance for policymakers and non-governmental organizations in designing and implementing community-based policy makers and non-governmental organizations in designing and implementing more holistic and effective ecosystem restoration programs that are more holistic and sustainable.                                                              

This research investigates the economic impacts of port development and management on coastal communities, focusing on the role of vocational education in workforce preparation. Ports serve as pivotal economic hubs, driving regional growth through trade facilitation, job creation, and infrastructure development. However, they also pose environmental challenges such as pollution and habitat degradation, necessitating sustainable management practices. The study evaluates these dual aspects by analysing indicators such as GDP growth, workforce readiness, environmental sustainability, and strategic management in port operations. Findings highlight the significant contributions of ports to local economies while emphasising the importance of vocational education in equipping communities with skills for port-related jobs. Strategic management and governance are critical in maximising economic benefits while mitigating environmental impacts and ensuring regulatory compliance. The research underscores the need for integrated approaches that balance economic growth with environmental sustainability to foster resilience in coastal regions.

This research explores the integration of the Duano tribe's shellfish manongkah tradition into science education to develop culturally relevant learning modules. This research aims to address the gap between local wisdom and its application in science learning, increasing students' understanding and appreciation of their cultural heritage. A qualitative approach was used by conducting surveys and interviews with the Duano tribe community and distributing questionnaires to teachers and students in the Indragiri Hilir coastal area as many as 40 respondents. The findings in this research are that the shellfish Manongkah tradition can be integrated into learning. Furthermore, many teachers and students know about the Manongkah Shell tradition, have never carried out culture-based learning, there is a lack of teaching materials at school, and teachers lack understanding of culture-based learning. This research highlights the importance of contextual learning in preserving cultural traditions while providing practical solutions to today's educational challenges. In conclusion, to overcome this problem, it is necessary to develop a science learning module based on the Manongkah Shellfish tradition so that apart from overcoming this problem, it is hoped that it will be able to improve students' 21st century skills.