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All Journal Journal of Sustainability, Society, and Eco-Welfare Waste Handling and Environmental Monitoring
Luh De Dwi Jayanthi, Luh De Dwi
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Social Sciences

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Optimizing sustainable consumption: Understanding reusable lunch box usage intentions through the theory of planned behavior Jayanthi, Luh De Dwi
Waste Handling and Environmental Monitoring Vol. 2 No. 1: (February) 2025
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/whem.v2i1.2025.1790

Abstract

Background: The shift from using single use to reusable lunch boxes presents a challenge for college students. The economic circular framework is now applied not only to industrial processes but also to consumption behavior. This study aims to examine how the Theory of Planned Behavior (TPB) model, including attitude, subjective norms, perceived behavioral control, moral norms, descriptive norms, and self-identity, influences the intention to use reusable lunch boxes. Method: The study involved 110 undergraduate students from a college campus in Denpasar City. Participants completed questionnaires distributed using a snowball sampling technique. Data analysis was conducted using Partial Least Squares Structural Equation Modeling (PLS-SEM). Findings: The study found that perceived behavioral control and self-identity significantly affect the intention to use reusable lunch boxes. The R-square analysis indicated that 31.1% of students' intention to use reusable lunch boxes was influenced by subjective norms, while 26.4% was influenced by self-identity. Conclusion: The study concludes that perceived behavioral control and self-identity play key roles in students' intention to use reusable lunch boxes. Future research should focus on making reusable lunch boxes more convenient and integrating them into a system that encourages behavior change on college campuses. Novelty/Originality of this article: This study applies the Theory of Planned Behavior to understand college students' intentions to adopt reusable lunch boxes, offering valuable insights for promoting sustainable consumption behavior in a campus setting.
Analysis of palemahan application on tourist attraction and waste conditions in a tourism city Jayanthi, Luh De Dwi
Journal of Sustainability, Society, and Eco-Welfare Vol. 3 No. 1: July (2025)
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/jssew.v3i1.2025.1928

Abstract

Background: Denpasar City, as a prominent tourism hub in Bali, faces significant urban environmental challenges due to rapid land conversion, increasing population, and growing tourism activities. In 2023, Denpasar produced the highest volume of waste in Bali, reaching 357,985.69 tons/year, reflecting the strain on waste management systems and environmental sustainability. Methods: This study uses a quantitative approach through spatial analysis using QGIS and literature review. The variables analyzed include land cover, population, tourist attraction (DTW) distribution, and annual waste generation across four sub-districts in Denpasar. Findings: The analysis revealed that South Denpasar has the largest area (49.89 km²), highest population (311,590 people), highest waste generation (111,080.23 tons/year), and the most tourist attraction units (28 DTWs). Despite this, it has the lowest population density compared to other sub-districts. These conditions highlight the environmental burden experienced by this region, particularly in waste management and land use pressure due to its tourism-related activities. Conclusion: The city of Denpasar faces complex challenges in achieving its vision as a sustainable Tourism City. The integration of the Balinese local wisdom value of palemahan, emphasizing harmonious human–environment relationships, is crucial to address the physical, biological, and social environmental issues arising from unregulated waste and land use. Furthermore, the dense population and high tourism activity call for future research on their impact on water and air quality. Novelty/Originality of this article: This study offers a spatially grounded analysis of the interrelation between tourism, population pressure, and waste generation in Denpasar. It uniquely incorporates traditional environmental values (palemahan) as a cultural approach to addressing urban ecological challenges.
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