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Journal of Environmental Science and Sustainable Development
Published by Universitas Indonesia
ISSN : -     EISSN : 26556847     DOI : https://doi.org/10.7454/
Core Subject : Humanities, Science, Social,
Humanities Energy Environmental Science Social Sciences
Journal of Environmental Science and Sustainable Development (JESSD) is a biannual refereed journal which provides an opportunity for academics, practitioners, policymaker, and community to examine and exchange on a wide range of environmental issues and bridges the gap between research and the application of environmental science in management and policy practices. The JESSD includes and promotes scientific work and practical dimensions of environmental science and sustainable development issues, from the developing countries, especially in South East Asia region, and also strengthens the collaboration between the developed and developing countries around the world.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 174 Documents
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EXAMINING THE INFLUENCES OF CITIZEN FACTORS ON THE COCREATION BEHAVIORS OF ONLINE PUBLIC SERVICES IN A SMART CITY Kusumastuti, Ratih Dyah; Nurmala, Nurmala; Rouli, Juliana
Journal of Environmental Science and Sustainable Development Vol. 9, No. 1
Publisher : UI Scholars Hub

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Abstract

As smart cities increasingly rely on digital platforms to deliver public services, citizen participation becomes essential for ensuring effective and sustainable service delivery. However, limited research has examined which citizen-related factors drive co-creation behaviors in smart city contexts, particularly in emerging economies. This study aims to investigate the factors that influence the co-creation behaviors of online public services in five smart cities in Indonesia through the city’s digital platform and online social network (OSN). This study analyzes whether citizen factors, namely, perceived benefits over the city and OSN friends, trust in the city and OSN friends, and self-efficacy, affect co-creation behaviors leading to citizen satisfaction. A survey with 1009 respondents was conducted in Jakarta, Bandung, Semarang, Surabaya, and Denpasar, and the collected data were analyzed using covariancebased structural equation modelling. The results show that perceived benefit from OSN friends is the dominant factor that affects co-creation behaviors, which in turn affects citizen satisfaction. These findings highlight the critical role of OSN in fostering co-creation and suggest that integrating online public services with OSN can enhance service quality and citizen satisfaction.
EFFECTS OF NATURAL AND URBAN SOUNDSCAPES ON AFFECTIVE STATES AND CONCENTRATION IN EDUCATIONAL SETTINGS Rusdi, Ahmad; Nurtjahjo, Fani Eka; Sari, Mutiara; Musliha, Elmira Syamsa; Nadhira, Hasya; Maharani, Rahmanisa; Maarisca, Gladys; Azzah, Aisyah Raihana
Journal of Environmental Science and Sustainable Development Vol. 9, No. 1
Publisher : UI Scholars Hub

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Abstract

Although environmental noise has been extensively studied, limited research has compared the differential effects of natural and urban soundscapes on psychological outcomes. This pilot study examined the impact of urban and natural soundscapes on students’ concentration and affective responses. A pre–post experimental design with two groups was implemented, involving 12 undergraduate participants (aged 18–24 years) with equal gender representation. Concentration was measured using the polyshape board, which was preliminary validated in this study, while affective states (pleasantness and arousal) were assessed using the Affect Grid Scale (AGS) before and after exposure. Given the limited sample size and the ordinal data, the Wilcoxon Signed-Rank test was applied. The analysis revealed a significant difference in concentration between the two conditions (p=0.037), with higher and more stable scores observed under natural sound exposure (M=32.9; Md=35.5) compared to urban sound conditions (M=31.1; Md=34.5). Manipulation checks indicated no significant difference in pleasantness (p=0.224), while arousal differed significanly between conditions (p=0.045), with higher arousal reported in the urban sound conditions. These findings suggest that natural sounds may be associated with improved concentration and reduced arousal in controlled educational and laboratory settings. However, given the small sample size and short exposure duration, the findings should be considered preliminary and require further investigation with higher and more diverse samples.
ASSESSMENT OF THE BIOREMEDIATION POTENTIALS OF BIOSURFACTANT-PRODUCING BACTERIAL STRAINS RECOVERED FROM SPENT ENGINE OIL-CONTAMINATED ENVIRONMENTS IN SOUTHWEST NIGERIA Babayola, Nafisa Mohammed; Lecky, Nasiru Bright; Onumaegbu, Chinweizu Obioma; Olajuyigbe, Olufunmiso Olusola; Adefisoye, Martins Ajibade
Journal of Environmental Science and Sustainable Development Vol. 9, No. 1
Publisher : UI Scholars Hub

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Abstract

Environmental pollution from hydrocarbons and their derivatives is predominantly of anthropogenic origin, occurring mainly during mining, transportation, and storage. This often in an annual release of substantial amounts of pollutants into the environment. The effective restoration of petroleum-contaminated environments requires a series of interventions to remediate soil to its natural state. This study aimed to isolate and characterize biosurfactant-producing bacterial strains with potential bioremediation capabilities to assess the potential application for remediating soils polluted with spent engine oil in the Remo district, Ogun State. Bacterial isolates were recovered from soil samples collected from spent engine oil contaminated sites, using standard cultural techniques and characterized by biochemical and molecular techniques (16S rRNA amplification and sequencing). The isolates were further screened for biosurfactant activity, and the biosurfactant extract was characterized using gas chromatography-mass spectrometry (GC-MS) and Fourier-transform infrared (FTIR) spectroscopy. All 36 isolates recovered from the samples were positive for blood hemolysis, oil spread, and emulsification index assays. Pseudomonas sp. and Klebsiella sp. were identified as the most promising biosurfactant-producing isolates by 16S rRNA gene sequencing by the screening results. The GC-MS and FTIR spectroscopy of the biosurfactant extracts produced by Pseudomonas sp. revealed distinct peak values with various functional groups. FTIR analysis identified various functional groups, including aliphatic ether, ester, sulfone, alkene, allene, isothiocyanate, and alcohol, as the major compounds present in the biosurfactant. 20 bioactive compounds with different peak values were identified by GC-MS analysis. The rhlA gene associated with rhamnolipid production was detected in the two characterized P. aeruginosa strains. Subsequent laboratory-scale bioremediation of spent engine oil-contaminated soil demonstrated a significant (53%) removal of oil. The results highlight the potential applicability of eco-friendly biosurfactants for contaminated soil cleanup and suggest the need for further exploration, optimization, and elucidation of the genetic basis of biosurfactant production for improved efficacy.
SUSTAINABLE CHOICES, GENERATIONAL VOICES: UNRAVELING THE GREEN BUYING BEHAVIOR OF MILLENNIALS AND ZOOMERS USING THE THEORY OF PLANNED BEHAVIOR Pillai, Bhadra Thulaseedharan; Nagarathinam, Aishwarya; Bhagat, Shikha; Paramasivan, Senthilmurugan
Journal of Environmental Science and Sustainable Development Vol. 9, No. 1
Publisher : UI Scholars Hub

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Abstract

Younger generations have begun to change their purchasing behaviour in response to growing environmental concerns and global sustainability efforts. This research evaluates the eco-friendly shopping habits of Zoomers (born 1997–2012) and Millennials (born 1981–1996) in India. The research employs the Theory of Planned Behaviour (TPB) to analyse how the stewardship model, subjective norms, perceived consumer effectiveness, environmental attitudes and ecological values influence green product buying behaviour. A quantitative research design was adopted, and data were collected from 391 respondents across urban, semi-urban, and rural regions using a structured questionnaire. The relationship between the constructs were examined using structural equation modelling (SEM). The results indicate that environmental awareness (β = 0.558) has a strong positive influence on green purchasing behaviour, followed by social influence (β = 0.225). Environmental awareness is significantly driven by attitude towards the environment (β = 0.430) and ecological values (β = 0.356). Social influence is primarily driven by subjective norms (β = 0.338) and perceived consumer effectiveness (β = 0.187), whereas stewardship orientation has a negligible effect (β = 0.025). The model explains 50.7% of the variance in green purchasing behaviour (R² = 0.507), 51.1% in environmental awareness (R² = 0.511), and 28.4% in social influence (R² = 0.284).  The findings confirm the presence of an attitude–behaviour gap, where positive environmental attitudes do not consistently translate into actual purchasing behaviour because of various influences such as price sensitivity and the non-existence of sustainable products. This study contributes to the literature by extending TPB through the inclusion of ecological and social mediators and by providing comparative insights into generational differences in an emerging market context. The results provide useful implications for marketers and policymakers to create focused strategies that encourage sustainable consumption.

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