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Changes in land surface temperature are one of the important indicators in monitoring global environmental change. In the last decade, increasing surface temperatures have become a global concern, as they have the potential to affect ecosystems, air quality, water availability and human health. In addition, increasing land surface temperature also has a direct impact on the urban heat island phenomenon, which can worsen environmental conditions in urban areas. In this context, analyzing periodic changes in land surface temperature is important to understand the patterns and factors that influence these changes. The objectives in conducting this research, namely: Analyzing the land surface temperature, Creating a regional land surface temperature map and Analyzing changes in land surface temperature from the land surface temperature map of Pariaman City in 2015, 2019, and 2023. Based on the results of the analysis of changes in land surface temperature using Landsat 8 OLI/TIRS images in 2015, 2019, and 2023, it was found that there were significant variations in temperature changes in several areas. Landsat 8 image data is processed through several stages, starting from converting Digital Number (DN) values to spectral radians, brightness temperature, to estimating Land Surface Temperature (LST) in Celsius units. The analysis shows that there was a significant increase in land surface temperature during the period, especially in urban and coastal areas. In 2015, the majority of areas had temperatures of 20°C-24°C, while in 2019 it shifted to 24°C-28°C, and in 2023 it was dominated by temperatures of 28°C-32°C and above 32°C. These changes reflect a significant local warming trend, influenced by human activities and land use change. This research is expected to contribute to the understanding of environmental dynamics and support spatial planning that is more adaptive to climate change.

This research aims to analyze the effect of taste and service quality on customer satisfaction at Hilande Koffie Medan. As the café business continues to grow in urban areas, customer satisfaction becomes a key factor in business sustainability. Hilande Koffie, located in Medan, offers a variety of pastries and beverages that attract many customers, yet some inconsistencies in taste and service have raised concerns. This study uses a quantitative method with a sample of 45 respondents, applying multiple linear regression analysis through SPSS version 25. The results show that both taste and service quality have a positive and significant effect on customer satisfaction, either partially or simultaneously. The coefficient of determination (Adjusted R²) shows that 65% of the variation in customer satisfaction can be explained by the two independent variables. The findings suggest that maintaining consistency in taste and improving staff professionalism are crucial in enhancing overall customer experience. Therefore, Hilande Koffie is recommended to continuously evaluate and improve both aspects to increase customer satisfaction and loyalty.  

This study aims to analyze the influence of investment and development expenditure on poverty levels in Balikpapan City, considering the mediating role of income inequality. The research employs a quantitative approach using path analysis to examine both direct and indirect relationships among variables. The data used are secondary data from 2013 to 2023, including investment, development spending, the Gini index, and poverty rates. The results show that investment and development expenditure have a direct impact on both income inequality and poverty. Moreover, income inequality mediates the influence of investment and development expenditure on poverty. This study provides important implications for local government in formulating more effective and equitable development policies to reduce inequality and alleviate poverty in urban areas.  

Indonesia faces significant challenges in maintaining environmental ethics amid rapid economic growth and urbanization. Environmental degradation, such as deforestation, water pollution, and poor waste management, reflects a widespread lack of ecological awareness. However, local wisdom offers an alternative approach to environmental sustainability. This study aims to describe the forms of environmental ethics embedded in the local wisdom of the Betawi community in the Betawi Cultural Village of Setu Babakan, South Jakarta. Using a descriptive qualitative method, the research explores cultural practices that support environmental preservation, including the use of home gardens, reverence for nature, and community-based waste management. The findings show that the Setu Babakan community applies ecological principles through traditions, customs, and active participation in environmental care. Moreover, synergy between the government, local communities, and the tourism sector contributes to developing an area that not only preserves Betawi culture but also maintains ecological balance. These findings highlight the importance of integrating local cultural values into environmental policy as a pathway toward sustainable development.

Acute Otitis Media (AOM) is a common middle ear infection in children, particularly in rural areas. This study aims to explore the clinical characteristics of AOM in children treated at rural health centers (puskesmas) and to examine the barriers to effective management. A descriptive qualitative method was employed through a literature review analyzing symptoms, stages, risk factors, and treatment approaches. The findings reveal that AOM in children often begins with an upper respiratory tract infection and presents with sudden ear pain, high fever, sleep disturbances, and ear discharge. Risk factors include young age, poor environmental conditions, and limited access to healthcare services. Management of AOM depends on its clinical stage and requires accurate diagnosis. However, in rural puskesmas, a lack of diagnostic tools and limited public awareness often leads to delayed treatment. Therefore, it is essential to provide health workers with basic ENT training, ensure the availability of diagnostic equipment, and educate parents to enable early detection and prevent complications that could affect a child’s development.

Domestic helpers (DWs) play a vital role in sustaining household life in urban areas, yet their legal position in the Indonesian labour system remains marginal and vulnerable, without adequate legal protection. This research aims to analyse juridically normatively the legal position of domestic workers within the framework of national labour law and identify regulatory gaps and structural barriers that hinder the protection of their basic rights. Using a literature study method and a normative juridical approach, this research examines legislation, legal doctrine, and recent scientific literature. The analysis shows that Law No. 13 Year 2003 does not recognise domestic workers as formal workers, and Permenaker No. 2 Year 2015 is non-binding, creating a legal vacuum that results in vulnerability to exploitation, discrimination, and human rights violations. The absence of special regulations such as the PPRT Bill and the non-ratification of ILO Convention No. 189 exacerbate structural injustice against domestic workers. This research concludes that the legal protection of domestic workers is very weak normatively and practically, so regulative reform is needed through the enactment of special laws and harmonisation of national laws with international human rights standards in order to create a fair, inclusive and social justice-based employment system.

Along with the increasing public interest in coffee, the coffee industry in Indonesia, especially in urban areas such as Surakarta, is growing rapidly. Surakarta is one of the cultural and tourism cities that has a variety of consumer segments that are potential targets for Kopi Stralink. Starting from students, office workers, to tourists who have unique preferences that need to be accommodated in marketing strategies. This study can help Kopi Stralink management in designing a more effective marketing communication strategy. This study uses a descriptive qualitative method, which aims to describe in depth the marketing communication strategy implemented by Kopi Stralink (Kopi Keliling) in the Surakarta area. This method focuses on an in-depth understanding of the phenomena studied and relies on descriptive data. The results of the study can provide insight into the most effective communication channels and relevant approaches to be implemented so that Kopi Stralink can reach its target market more optimally in Surakarta. This study can open up discussions about social problems faced by society, especially those related to economic pressure and debt. This analysis is expected to encourage society to be more critical in understanding the impact of modern lifestyles on personal and social well-being.

Situated on 3.6 hectares in Kebayoran Baru, South Jakarta, Langsat Park operates as a vital urban lung, sequestering carbon, stabilizing the microclimate, attenuating noise pollution, and enhancing rainwater infiltration. This study aims to develop strategies to optimize the park’s ecological functions through a descriptive qualitative case study approach, encompassing direct observation, semi-structured interviews with park managers and community members, and document analysis using triangulation techniques. The findings reveal a diverse vegetation structure that supports air quality improvement and wildlife habitat, yet persistent challenges such as facility damage, vandalism, and waste accumulation disrupt the ecosystem. Proposed strategies include ecological and recreational zoning, implementation of nature-based solutions, increased community engagement via educational and conservation programs, and the reinforcement of regulations and routine maintenance. The implementation of these strategies is expected to strengthen stakeholder collaboration, sustain the park’s ecological functions as an essential urban green space, and serve as a benchmark for urban park management in the context of rapid urbanization.

This study aims to develop and modify learning media in the form of a motorcycle headlight electrical trainer to improve the effectiveness of learning for students at State Vocational High School (SMK) 4 Lhokseumawe. Conventional learning media are often less able to provide a real picture of the electrical system of motor vehicles, so it is necessary to develop more representative and interactive aids. The method used in this study is the research and development (R&D) method with the Borg and Gall model. The results of the modification include the addition of visual indicators (LED lights), more systematic wiring, and an electric current disturbance simulation panel. The feasibility test was carried out by media experts, material experts, and limited field trials on vocational high school students. The evaluation results showed that the modified trainer was very suitable for use as a learning medium, in terms of clarity of function, ease of use, and visual appeal. The use of this trainer was able to significantly improve students' understanding of the motorcycle headlight electrical system. .  

Waste management in urban areas such as South Jakarta remains a major challenge, particularly at the household level. This study aims to examine the role of Bank Sampah Mekar Sari in implementing circular economy principles through community-based waste management. The research employed a descriptive qualitative approach, with data collected through in-depth interviews, observation, and documentation. The findings show that Bank Sampah Mekar Sari functions not only as a collection point for inorganic waste but also as a center for educating and empowering residents to sort and manage waste sustainably. The practices observed, such as household-level sorting, partnerships with recycling partners, and material reuse, reflect the core principles of the circular economy. In addition, collaboration among community members, local government, and the private sector contributes to the development of a participatory waste management ecosystem. This study recommends replicating similar models in other regions and highlights the importance of regulatory and institutional support in strengthening local waste management systems.

Urban street art has become a significant visual medium reflecting identity, resistance, and cultural memory within Southeast Asian cities. This study explores how street art in urban environments such as Jakarta, Bangkok, and Manila serves as a visual narrative, embedding local symbolism and identity expression into public space. The objective is to analyze how visual elements in street art communicate social, cultural, and political messages. A qualitative method is employed, utilizing visual semiotics and ethnographic observation to examine selected murals and graffiti. The findings reveal that recurring motifs, such as traditional symbols, mythological figures, and vernacular language, function as tools of cultural assertion and urban storytelling. These visual narratives not only document community histories but also challenge dominant urban narratives, reclaiming marginalized voices. The study highlights the role of street artists as agents of social commentary and urban transformation. Implications suggest that recognizing street art as a form of visual narrative contributes to a broader understanding of cultural identity construction in urban Southeast Asia.

Background: Premenstrual Syndrome (PMS) is a combination of physical, emotional, and behavioral symptoms that occur cyclically before menstruation and are commonly experienced by adolescent girls. Common symptoms include fatigue, abdominal pain, headaches, anxiety, and mood disturbances, which can affect sleep quality, concentration, and academic productivity. This article provides an in-depth examination of the definition, types, prevalence, causes, impacts, and management of PMS in adolescent girls. Based on epidemiological data, the prevalence of PMS is quite high, both globally and nationally, with incidence rates in Indonesia reaching 70–90% among women of reproductive age, and most cases beginning during adolescence. There are four main types of PMS: Type A (anxiety), Type H (hyperhidrosis), Type C (food cravings), and Type D (depression), each with specific characteristics and etiologies. Causes of PMS include hormonal imbalances of estrogen and progesterone, reduced serotonin levels, poor sleep quality, psychological stress, genetic factors, and unhealthy lifestyles. The impact of PMS on adolescents is complex, including decreased academic performance, social relationship disturbances, and reduced psychological well-being. Therefore, PMS management should be approached holistically through pharmacological (such as NSAIDs, antidepressants, and diuretics) and non-pharmacological (physical exercise, relaxation, lifestyle changes, and nutritional education) interventions. Environmental support and reproductive health education are crucial to help adolescents effectively manage PMS symptoms and improve their quality of life. This study is expected to serve as a foundation for promotive and preventive interventions in adolescent health care.

This study aims to compare the level of carbon monoxide (CO) air quality in Green Open Space (GOS) and Non-Green Open Space (NGOS) along the Abepura–Sentani main road in Jayapura City. The research was conducted in two locations: the Taman Makam Pahlawan Denzipur Waena (GOS) and the front area of Mega Waena (NGOS). CO levels were measured using a CO smart sensor over a period of one week, with measurements taken in the morning, noon, and afternoon at six sampling points. The findings indicate that CO concentrations are significantly lower in GOS areas compared to NGOS areas. The presence of vegetation in GOS helps reduce CO pollution by acting as a natural filter. These results highlight the importance of maintaining and developing green open spaces in urban areas as part of efforts to reduce air pollution and improve public health.

The demand for goats for religious rituals such as aqiqah and qurban during Eid al-Adha has shown a significant upward trend each year, in line with the growing awareness among Muslims to observe religious practices in accordance with Islamic law. This study aims to explore the strategies employed and the challenges faced by traditional goat farmers in responding to this evolving demand. A descriptive qualitative approach was used, with data collected through in-depth interviews, field observations, and documentation. The subject of this study was Mr. Anto, an experienced goat farmer and trader who manages the “Adinda Aqiqah” business in Medan City. The findings reveal that Mr. Anto’s main strategies include stock management through the raising of hundreds of goats of various breeds (Kacang, Etawa, and sheep), the selection of high-productivity superior breeds, and the setting of competitive selling prices for both qurban and aqiqah needs. On the other hand, the primary challenges encountered include limited infrastructure, particularly at sales locations, animal health risks due to adverse weather conditions, and the lack of effectiveness in using social media as a marketing tool to reach a wider consumer base. These findings offer a clear picture of how traditional livestock practices adapt to market demands, while also highlighting the need for improvements in technology, marketing, and policy support to enhance competitiveness in this dynamic, seasonal market.

This study explores the application of environmental ethics in sustainable development within the Betawi Cultural Village area of Setu Babakan, South Jakarta. The region faces significant challenges in balancing the preservation of local culture with environmental protection amid rapid urbanization. Using a descriptive qualitative approach, data were collected through participatory observation, interviews, and documentation studies. Findings reveal that environmental ethics play a vital role in maintaining ecological balance, managing land use, and empowering local communities through sustainable cultural and economic activities. Community involvement in cultural tourism and small businesses has positively impacted social and economic welfare. However, issues such as cultural commodification and waste management remain obstacles. This study highlights the need for policy frameworks grounded in local values and the strengthening of community participation in spatial planning. The findings contribute to the formulation of inclusive and ethical models for sustainable cultural area development.

Crypto asset transactions in Indonesia have rapidly developed alongside financial technology advancements, yet they pose legal challenges concerning investor protection. Under Indonesian civil law, civil liability for investor losses may be based on Article 1243 and Article 1365 of the Civil Code, depending on whether the loss arises from a breach of contract or an unlawful act. Additionally, the Consumer Protection Act may serve as a legal basis in cases involving violations of consumer rights. However, the application of such liability encounters juridical obstacles, including the absence of specific regulations defining the legal status of crypto assets as legal objects, regulatory gaps regarding business actors’ obligations, and evidentiary difficulties due to the anonymous nature of digital transactions. In this context, regulatory reform is essential to establish legal certainty and effective investor protection. The regulation should include digital security standards, transparent risk disclosures, and dispute resolution mechanisms. Active roles of Bappebti and the Financial Services Authority (OJK) in oversight, as well as legal literacy for the public, are critical to creating a responsible and secure crypto asset trading ecosystem.

Household waste management is an important part of maintaining environmental quality. This article is a literature review that aims to identify and analyze the relationship between household waste management and its impact on environmental quality. The purpose of this study is to gain a better understanding of the extent to which household waste management behaviors and systems can affect environmental conditions and public health. The method used is a systematic literature review of various scientific journals, research reports, and policy documents published in the last ten years. Data sources were taken from academic databases such as Google Scholar, ScienceDirect, and PubMed, with a focus on studies discussing aspects of waste management, sanitation, and health impacts in residential environments. The results of the study show that poor urban waste management, such as littering and open burning, is associated with an increase in environmental diseases. Conversely, good management systems, such as regular sorting and transportation, have a positive impact on the cleanliness and health of the residential environment. Conclusion Good household waste management plays an important role in maintaining a healthy living environment. Organized and participatory practices can reduce the risk of disease and create a clean, healthy, and sustainable environment for communities. 

Emergency complaint services are a critical component of public service delivery, requiring speed, coordination, and integration across multiple agencies. The Surabaya City Government developed Command Center 112 as an innovative public service initiative to respond to emergency incidents quickly and in a coordinated manner. This study aims to analyze the implementation of Collaborative Governance in the management of the Command Center 112 service in Surabaya, using the model by Ansell and Gash, which includes four key indicators: starting conditions, institutional design, facilitative leadership, and the collaborative process. A descriptive qualitative approach was employed, with data collected through observation, interviews, and documentation. The findings reveal that collaboration among government agencies, volunteers, and the community has been built functionally and adaptively through regulatory support, standard operating procedures (SOPs), and open communication among stakeholders. However, challenges remain in the form of public perceptions regarding service response quality, which has not been uniformly experienced. These results highlight the importance of strengthening public communication and increasing community involvement in service evaluation. Overall, Command Center 112 in Surabaya serves as a successful example of Collaborative Governance implementation in urban emergency complaint services.

The increasing number of elderly people in Yogyakarta City demands the provision of an inclusive environment that supports the welfare of the elderly. This study aims to assess the suitability of Yogyakarta City for the concept of an elderly-friendly city based on seven main variables: green open space, public transportation, pedestrian facilities, health services, social support, elderly-friendly intergenerational interactions, and advocacy for the basic rights of the elderly. The research used a quantitative approach with observation and questionnaire methods to elderly people in all sub-districts in Yogyakarta City. The data were analyzed using a Guttman scale to determine the level of suitability of each variable. The results showed that overall Yogyakarta City is classified as “suitable” for the concept of an elderly-friendly city, with a total score of 5.32 out of a maximum scale of 6.80. Four variables meet the suitability criteria, namely public transportation, health services, social support, and intergenerational interaction. Meanwhile, the other three variables are still not fully suitable and require improvement. This study recommends improvements in these three aspects so that the implementation of the concept of an elderly-friendly city in Yogyakarta City can be more optimal and sustainable.

This study aims to analyze the effectiveness of social service management in handling neglected elderly in Medan City. The phenomenon of neglected elderly has become a complex social problem along with the increasing number of elderly population and changes in family structure in urban areas. Medan City as the third largest metropolitan city in Indonesia faces challenges in providing optimal social services for neglected elderly. This study uses a qualitative research method with a library research approach. Data collection was carried out through a literature review of various relevant library sources, including scientific journals, books, research reports, policy documents, and official publications of related agencies. Data analysis used content analysis techniques to identify patterns and themes related to the effectiveness of social service management for neglected elderly. The results of the study indicate that social service management in Medan City has not been fully effective in handling neglected elderly. In terms of planning, there are still limitations in mapping and recording neglected elderly data. In terms of organization, coordination between agencies is still weak. Program implementation faces constraints of budget and human resource limitations. The monitoring and evaluation system has not been running optimally. Supporting factors include local government commitment, availability of regulations, and community participation. While inhibiting factors include budget constraints, lack of professional staff, and minimal cross-sector coordination. This study recommends the need to strengthen the social service management system through increasing human resource capacity, optimizing the budget, and strengthening cross-sector coordination to improve the effectiveness of handling the elderly in Medan City.