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Vol. 3 No. 3 (2026): July,2026
This issue consists of 10 articles written by 20 authors from 15 universities and higher education institutions across Indonesia. The published articles cover diverse scientific fields, including sustainable construction materials, microalgae-based carbon sequestration, biodegradable bioplastics, smartphone-based pavement assessment, digital health and sleep quality, agricultural waste valorization, soil stabilization, plastic biodegradation and bioremediation, urban microclimate management, and smart solar-powered drainage systems. These contributions reflect ongoing scientific advancements and innovative research efforts aimed at addressing environmental, technological, infrastructure, and sustainability challenges through environmentally friendly and sustainable approaches.
Articles
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Utilization of Microalgae as Carbon Absorbent Material for Environmentally Friendly Concrete in Tropical Coastal Areas
This study evaluates the mechanical, durability, and carbon sequestration performance of a 1:1 blend of Chlorella vulgaris and Spirulina platensis biomass as a supplementary cementitious material (SCM) in concrete for tropical coastal infrastructure. Five...120 views 148 downloads -
Enhancing the Mechanical and Barrier Properties of Seaweed-Cassava Starch Bioplastics with Natural Additives for Sustainable Food Packaging
The growing accumulation of petroleum-based plastic waste has intensified the search for biodegradable alternatives from renewable resources. This study investigated the effect of clove essential oil (CEO) on the mechanical and barrier properties of...108 views 189 downloads -
Road Damage Prediction via Smartphone: Optimizing Vibration Sensors and Crowdsourced Data for Low-Cost Pavement Condition Assessment
Road authorities in developing countries lack cost-effective pavement monitoring tools. This study optimizes smartphone vibration sensing and crowdsourced data for automatic road damage prediction. Accelerometer and GPS data were collected from...178 views 175 downloads -
The Effect of Blue Light Exposure on Sleep Quality and Student Productivity in the Digital Learning Era
The proliferation of digital learning platforms has substantially increased student screen time, raising concerns about blue light (415–455 nm) exposure and its effects on sleep quality and cognitive productivity. This cross-sectional study examined 216...458 views 193 downloads -
Development of Biodegradable Food Packaging from Seaweed and Cassava Starch as an Alternative to Single-Use Plastic
The accumulation of single-use plastic packaging threatens ecosystems and human health, with Indonesia ranking as the world's second-largest marine plastic polluter. Biopolymer-based packaging from renewable resources offers a sustainable alternative, yet...141 views 179 downloads -
Powerful Biochar: Agricultural Waste for Soil Stabilization in Landslide-Prone Areas
Rainfall-induced landslides on residual soil slopes remain a persistent geohazard in tropical mountainous regions, and conventional chemical stabilizers such as cement and lime raise concerns regarding cost, carbon footprint, and long-term ecological...102 views 100 downloads -
Local Plastic-Eating Bacteria: The Key to Bioremediation in Indonesian Coastal Waters
Marine plastic pollution is a critical environmental problem in Indonesian coastal waters, where inadequate waste management and high population density contribute substantially to plastic leakage into the marine environment. Indigenous plastic-degrading...119 views 129 downloads -
Compressive Strength Optimization of Concrete Containing Calcined Shell Powder as a Partial Cement Replacement
Ordinary Portland cement (OPC) production contributes substantially to global anthropogenic CO₂ emissions, motivating research into low-carbon supplementary cementitious materials. Shell waste from coastal seafood processing, abundant in Indonesia...47 views 49 downloads -
Effective Vertical Gardens: A Strategy to Reduce Microclimate Temperatures on Campus
Rising urban and campus surface temperatures, driven by hard building envelopes and limited vegetation, challenge outdoor thermal comfort in humid tropical climates. Vertical gardens have been proposed as space-efficient microclimate mitigation...43 views 37 downloads -
Smart Solar-Powered Drainage: An Effective Urban Flood Mitigation Solution
Urban flooding caused by high-intensity rainfall, rapid urbanization, and the limited capacity of conventional gravity-based drainage networks continues to threaten infrastructure, public health, and economic activity in developing cities. This study...37 views 30 downloads
