GX & Decarbonization Research

L. Baldazzi, Andrea Saccani, S. Manzi

This review explores the potential of using construction and demolition waste (CDW) as precursors or aggregates in alkali-activated materials (AAMs), offering a sustainable alternative to ordinary Portland cement. While CDW recycling faces …

A. Cardarelli, C. Fabiani, E. Fanelli +3

This consequential LCA evaluates a cement plaster incorporating activated hydrochar from municipal solid waste. The cradle-to-grave analysis shows a 68% reduction in climate change impacts over 50 years, driven by biogenic carbon sequestrat…

K. K., M. Guptha, K. M +3

This review comprehensively examines next-generation low-carbon cementitious binders for concrete, including SCM, LC3, alkali-activated materials, geopolymers, and carbon-based technologies. It covers binding mechanisms, fresh and hardened …

S. P

This comprehensive review covers low-carbon and geopolymer concrete technologies, showing 40-80% CO2 reduction compared to Portland cement while maintaining similar or better performance. It discusses supplementary materials like GGBS and L…

Dongfang Li, Zengyang Huang, Lichun Zhou +9

This study explores CO2 mineralization in silicate cement paste to enhance carbon sequestration and mechanical performance. A novel mixing method using gaseous and solid CO2 achieved a final carbon sequestration rate of 8.1 wt% at a water-c…

Y. Yardımcı, Yasemin Erbil

This review analyzes AI-integrated LCA research in construction. ML and ANN are used to predict energy and carbon, but integration is fragmented due to unstructured data and lack of standards. Focus is on operational energy, neglecting embo…

Anna Szewczyk, J. Dzwierzynska

This systematic review evaluates how AI, Generative Design, and BIM contribute to sustainable development in construction. Using the PRISMA protocol, it synthesizes evidence on algorithmic intelligence supporting UN SDGs (9, 11, 12, 13). Fi…

Basit Afaq Mir, Anissa Nurdiawati, Sami G. Al‐Ghamdi

This paper reviews carbon benchmarking methods for buildings, covering both operational and embodied carbon. It finds that 81% of studies use bottom-up approaches and nearly 88% focus on residential buildings. Benchmark values vary widely f…

Sakura Kato, Gabriel Robert

This paper integrates topology optimization with LCA for prefabricated concrete joints, incorporating global warming potential as an objective variable. The optimized design achieves a 30% mass reduction and significant embodied carbon savi…

Yanqun Zhu, Chen Zhang, Xin Qian +2

This review examines next-generation low-carbon construction technologies (low-carbon cements, recycled asphalt, geopolymers) and near-zero carbon operation strategies (intelligent traffic control, EV charging) for highways. It highlights t…

Praveen Bodhanam S, Ramu Baadiga

This paper proposes a life cycle assessment (LCA) framework integrating structural performance metrics to evaluate embodied carbon footprint in flexible pavements. Comparing conventional and geogrid-reinforced pavements, it finds material p…

E. Barnett, D. Dinehart, Steven M. Anastasio

This research develops an automated parametric design tool (APDT) to evaluate and optimize mass timber in early-stage building design. Using Revit and Dynamo, the tool generates building models from parameters like size and stories, calcula…

Zhao Feng, Xu Bin, Wang Chao +2

This study presents a novel LCA methodology for modeling carbon emission reductions in grid construction integrating low-carbon technologies. It covers the entire process from planning to operation, comparing traditional vs. low-carbon syst…

N. Albelwi

This paper introduces FedCarbon, a federated learning-based building stock modeling system that enables collaborative embodied carbon benchmarking without central data aggregation. Using hierarchical federated aggregation with attention-bas…

N. Albelwi

This paper proposes DT-LCAF, a digital twin-enabled LCA framework for real-time embodied carbon optimization in construction. It integrates BIM, IoT, and ML (graph attention networks and reinforcement learning), validated on proxy data from…

R. Freile, Levi Morin Larsen, T. Davies +9

This paper provides a techno-economic assessment of Small Modular Reactors (SMRs) for commercial nuclear ship propulsion, calculating breakeven overnight construction costs compared to conventional fossil-fueled vessels. It identifies opera…

Qin Wang, Sinuo Liu, Wenzheng He

This study develops an optimization model for operational strategies of LNG dual-fuel ships considering carbon tax, ECA policies, fuel price discounts, and methane slip. Using a real vessel on the Far East–Northwest Europe route, it determi…

Suleiman Ibrahim Mohammad, Sultan Alaswad Alenazi, Badrea Al Oraini +5

This study evaluates the techno-economic feasibility of hydrogen-powered ships in coastal freight. It finds economic viability when carbon taxes exceed $90/ton and green hydrogen costs below $4/kg, with 75-90% lifecycle emission reductions.…

Maudlyn I. Victor-Ikoh, Victor Ikoh

This paper qualitatively examines the sustainability of global LNG trade using a PESTLE analysis. Geopolitical tensions, market volatility, social equity, and environmental pressures challenge the industry, while technological innovation si…

Aiman Albatayneh, Mohammad Khwaileh

This study conducts a cradle-to-grave LCA of LNG-to-electricity pathways from five major exporters (US, Qatar, Algeria, Russia, Australia) to European and Asian markets, using GWP20. It finds that only low-leakage LNG (0.2%) offers a clear …