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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Edutech PEDAGOGIA Jurnal SOLMA Journal of Community Based Environmental Engineering and Management INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi Journal of Environmental Science and Sustainable Development TROPHICO: Tropical Public Health Journal INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Jurnal Pemberdayaan Masyarakat Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) Interaction, Community Engagement, and Social Environment JIPI (Jurnal IPA dan Pembelajaran IPA) Jurnal Pendidikan MIPA Journal of Environment Behavior and Engineering
Matsumoto, Toru
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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A Multidimensional Assessment of the Maggot-in-the Box System for Household Black Soldier Fly-based Waste Management In Indonesia Fujianti, Lia Nurbanillah; Munawir, Munawir; Rachman, Indriyani; Matsumoto, Toru
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 9, NUMBER 1, APRIL 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v9i1.25396

Abstract

Aim: The goal of this study is to evaluate the sustainability performance of the Maggot-in-the-Box system, a household-scale organic waste management solution in Indonesia, from environmental, economic, and social perspectives. Methodology and results: The study used an integrated assessment framework, which is a combination of Life Cycle Assessment (LCA), Cost–Benefit Analysis (CBA), and social perception analysis. Furthermore, environmental performance was assessed using LCA and the focus is on Global Warming Potential (GWP) (per kilogram of biowaste). CBA was used to evaluated Economic feasibility considering net profit, payback period, and Net Present Value (NPV). Latent Dirichlet Allocation (LDA) topic modelling of user reviews was used to examine social acceptance. The results show the Maggot-in-the-Box system has very low emissions, with a GWP of 0.002576 kg CO₂-eq per kilogram of biowaste. In comparison with the Takakura composting method, this is about 27 times lower. It is just 3.6% of the combined emissions of all systems evaluated. Economically, the system has financial benefits, generating a net annual profit of IDR 2.38 million per household. The payback period is 3 to 4 months with a 5-year NPV of IDR 10.2 million at a 3% discount rate. Social analysis shows positive user perceptions regarding waste reduction and simplicity in the operation. Conclusion, significance and impact study: Research findings reflect how the Maggot-in-the-Box system achieves a strong balance between environmental performance, economic feasibility, and also social reception. Therefore, there is high potential that the system could be used as a practical and scalable household organic waste management solution in Indonesia.
Quantifying Peak-Hour Traffic Contributions to Urban Air Pollution in Makassar City, Indonesia Yunus, Sattar; Anggraini, Nani; Muis, Ramdiana; Rachman, Indriyani; Matsumoto, Toru
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 9, NUMBER 1, APRIL 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v9i1.25969

Abstract

Aim: This study focuses on the main urban corridors of Makassar City and the short-term exposure levels of CO, PM2.5, and TSP resulting from traffic congestion during peak hours. Methodology and Results: Field measurements were conducted along three major corridors: Sultan Alauddin, A.P. Pettarani, and Urip Sumoharjo. The measurements included pollutant concentrations, traffic counts, and weather conditions during both peak and non-peak periods. The study employed a time-series quantitative observational design. The statistical analyses used were Pearson’s correlation, multiple linear regression, and the independent-samples t-test. The results revealed correlations of 0.98–0.99 between traffic volume and CO concentrations, and 0.94 for TSP. During peak periods, a strong correlation was observed between vehicle volume and PM2.5 levels, which exceeded WHO limits. TSP concentrations were also noticeably above the acceptable exposure range. CO concentrations were influenced by traffic volume and remained low but significant. Conclusion, Significance, and Impact of the Study: During peak traffic congestion, substantial tailpipe and non-tailpipe emissions are released, leading to the accumulation of pollutants along urban corridors. The implementation of a fully functional multi-corridor and multi-pollutant traffic and air quality monitoring system demonstrates an assessment framework that can be applied in other locations. These findings provide evidence to support sustainable urban transport systems and air quality management strategies, with expected outcomes including time-targeted traffic control and reductions in non-tailpipe emissions. Ultimately, these efforts contribute to achieving the Sustainable Development Goals (SDG 11 and SDG 3) related to improved air quality.
STEM-ESD Integration in E-Module to Improve Critical Thinking Skills Marlina, Rika; Permana, Irvan; Jaenudin, Dadang; Rachman, Indriyani; Matsumoto, Toru
Jurnal Pemberdayaan Masyarakat Vol 5, No 1 (2026)
Publisher : Yayasan Keluarga Guru Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46843/jpm.v5i1.697

Abstract

Observations and literature reviews indicate that vocational school students' critical thinking skills remain low, even though these skills are important for vocational graduates. One reason is the limited availability of interactive teaching materials for the IPAS Project subject. This study aims to develop a STEM-ESD-based e-module for the IPAS Project on Soil Pollution to improve the critical thinking skills of Year 10 vocational school students. The study uses the Research and Development (RD) method with the ADDIE model. The e-module was developed using Heyzine Flipbook. The validation results showed that the e-module was highly valid, with a score of 90% from subject matter experts, 92% from media experts, and 93% from language experts, as well as a very practical response from teachers (93%). The implementation of the e-module resulted in increased critical thinking skills, with an N-Gain score of 0.67 and very positive student responses. This e-module is suitable for use as an innovative teaching material that supports student-centred learning and sustainable education.
Co-Authors Akrim, Djusdil Al Fariz, Reza Darma Al Fariz, Reza Dharma Anggraini, Nani Anna Permanasari Aqilah, Siti Cintami, Cincin Dadang Jaenudin Dahlia, Karlina Puspa Deni Kurniawan, Deni Fariz, Reza Darma Al Fujianti, Lia Nurbanillah Hadi, Dedi Abdul Hafizhul Khair Hutagalung, Ira Indarini Dwi Pursitasari Indriyani Rachman Ira Rumiris Hutagalung Irvan Permana Laksmi Dewi, Laksmi Marlida, Siti Muarif, Samsul Muharram, Luthfia Hastiani Mulyadi, Dadi Munawir Munawir Nursafitri, Siti Permanasari*, Anna Pertiwi, Wulan Rachman, Indriani Radde, Hasniar A. Rahayu, Ida Ramdiana Rika Marlina, Rika Saldiana, Nur Kamila Santuso, Edy Sattar Sattar, Sattar Siregar, Iga Yusmaidah Slamet Raharjo Soesanto, Qiyam Maulana Binu Sugimaru, Chika Tawakkal, Irfan Utomo, Laksamana Rayhan Wafa, Wafa Warliyah, Heli Yustiani, Yonik Meilawati