Ahn, C., Peña-Mora, F., Lee, S. and Arboleda, C.A. (2013). Consideration of the environmental cost in construction contracting for public works: A + C and A + B + C bidding methods. Journal of Management in Engineering, Vol. 29, No. 1, 86-94.
Aladdin, R. and Ataei, H. (2025). Contractual risk planning and mitigation in sustainable construction. Journal of Legal Affairs and Dispute Resolution in Engineering and Construction, Vol. 17, No. 4, Article 03125004.
Anthonissen, J., Van Troyen, D., Braet, J. and Van den Bergh, W. (2015). Using carbon dioxide emissions as a criterion to award road construction projects: A pilot case in Flanders. Journal of Cleaner Production, Vol. 102,96-102.
Assaad, R.H. (2024). Examining low-carbon material initiatives: Existing policies, impacts on the procurement of projects, current challenges, and potential solutions to reduce embodied carbon in the construction industry. Journal of Legal Affairs and Dispute Resolution in Engineering and Construction, Vol. 16, No. 2, Article 04523060.
Athigakunagorn, N., Limsawasd, C., Mano, D., Khathawatcharakun, P. and Labi, S. (2024). Promoting sustainable policy in construction: Reducing greenhouse gas emissions through performance-variation-based contract clauses. Journal of Cleaner Production, Vol. 448, Article 141594.
Buttitta, G., Giancontieri, G., Parry, T. and Lo Presti, D. (2023) .Modelling the environmental and economic life cycle performance of maximizing asphalt recycling on road pavement surfaces in Europe. Sustainability, Vol. 15, No. 19, Article 14546.
Chammout, B. and El-adaway, I.H. (2024).A contractual approach to resolving disputes arising from failure to achieve green certification. Construction Research Congress 2024, American Society of Civil Engineers,20-30.
Chartered Institution of Highways & Transportation (CIHT) (2023). Building carbon reduction into procurement processes. Chartered Institution of Highways & Transportation, London.
Cruz Peraza, E.I. and Liu, T. (2026). Life cycle assessment of road expansion: Baseline environmental impacts in El Salvador. Science of the Total Environment, Vol. 1017, Article 181501.
El-adaway, I.H., Abotaleb, I.S., Mohler, R.J., Sheffler, J., Fuller, H. and Orozco, C. (2019). Contractual implications of environmental compliance requirements in construction projects. Journal of Legal Affairs and Dispute Resolution in Engineering and Construction, Vol. 11, No. 3, Article 05019002.
Gbolade, A. and Mishra, D. (2025). Global warming potential benchmarking of asphalt mixtures to support low-carbon procurement and cradle-to-gate life cycle assessment-based strategies to reduce mix global warming potential. Transportation Research Record,Vol. 2679, No. 9, 281-293.
Hendy, C.R. and Gowda, C. (2026). Considerations for designing bridges for 100% utilisation to design standards”, Proceedings of the Institution of Civil Engineers – Bridge Engineering.
Hernando, D., Moins, B., Van den Bergh, W. and Audenaert, A. (2022). Identification of the main environmental impact categories over the life cycle of hot mix asphalt: An application to green public procurement. Transportation Research Record, Vol. 2676, No. 8, 322-335.
Huang, L., Jakobsen, P.D., Bohne, R.A., Liu, Y., Bruland, A. and Manquehual, C.J. (2020). The environmental impact of rock support for road tunnels: The experience of Norway. Science of the Total Environment, Vol. 712, Article 136421.
Jezzini, Y. and Assaad, R.H. (2024). Modeling the impact of low-carbon procurement on bidding dynamics. Journal of Management in Engineering, Vol. 40, No. 4, Article 04024022.
Kadefors, A., Lingegård, S., Uppenberg, S., Alkan-Olsson, J. and Balian, D. (2020). Designing and implementing procurement requirements for carbon reduction in infrastructure construction: International overview and experiences. Journal of Environmental Planning and Management,Vol. 64, No. 4, 611-634.
Karlsson, I., Rootzén, J. and Johnsson, F. (2020). Reaching net-zero carbon emissions in construction supply chains: Analysis of a Swedish road construction project. Renewable and Sustainable Energy Reviews, Vol. 120, Article 109651.
Keijzer, E.E., Leegwater, G.A., de Vos-Effting, S.E. and de Wit, M.S. (2015). Carbon footprint comparison of innovative techniques in the construction and maintenance of road infrastructure in the Netherlands. Environmental Science & Policy, Vol. 54,218-225.
Kleizienė, R., van de Beek, M., Zofka, A. and Karbočius, M. (2025). Application of single score methods for environmental impact assessment to compare pavement technologies. Road Materials and Pavement Design, Vol. 26, No. S1, 503-524.
Kong, C., An, B., Wang, S., Zhang, J., Wang, Y. and Feng, J. (2026). Low-carbon effects of constructing a metro station with new pipe curtain method: A case study .Tunnelling and Underground Space Technology, Vol. 168, Article 107114.
Kopp, T., Kurtis, K.E. and Grubert, E. (2026). Life-cycle analysis of proposed performance-based specifications for structural concrete and Portland cement concrete pavement in Georgia. Journal of Transportation Engineering, Part B: Pavements, Vol. 152, No. 1, Article 05025004.
Lenferink, S., Tillema, T. and Arts, J. (2013). Towards sustainable infrastructure development through integrated contracts: Experiences with inclusiveness in Dutch infrastructure projects. International Journal of Project Management, Vol. 31, No. 4,615-627.
Lingegård, S., Alkan Olsson, J., Kadefors, A. and Uppenberg, S. (2021). Sustainable public procurement in large infrastructure projects—Policy implementation for carbon emission reductions. Sustainability, Vol. 13, No. 20, Article 11182.
Metham, M., Benjaoran, V. and Sedthamanop, A. (2019) .An evaluation of Green Road Incentive Procurement in road construction projects by using the AHP. International Journal of Construction Management, Vol. 22, No. 3, 501-513.
Mojumder, A., Singh, A., Kumar, A. and Liu, Y. (2022). Mitigating the barriers to green procurement adoption: An exploratory study of the Indian construction industry. Journal of Cleaner Production, Vol. 372, Article 133505.
Moretti, L., D’Andrea, A. and Di Mascio, P. (2017). Green public procurement criteria for road infrastructures: State of the art and proposal of a weighted sum multicriteria analysis to assess environmental impacts. ARPN Journal of Engineering and Applied Sciences, Vol. 12, No. 17, 4887-4894.
Mosey, D., Bahram, D., Vornicu, R. and Giana, P.E. (2022). Procuring net zero construction. King’s College London Centre of Construction Law & Dispute Resolution and Society of Construction Law, London.
NEC (2026a). NEC4 Engineering and Construction Contract: Option X29 Nature and Climate .NEC, London.
NEC (2026b). NEC4 Professional Service Contract: Option X29 Nature and Climate. NEC, London.
NEC (2026c). NEC4 Term Service Contract: Option X29 Nature and Climate. NEC, London.
NEC (2026d) “NEC4 Supply Contract: Option X29 Nature and Climate. NEC, London.
NEC (2026e). NEC4 Engineering and Construction Subcontract: Option X29 Nature and Climate. NEC, London.
NEC (2026f). NEC4 Professional Service Subcontract: Option X29 Nature and Climate. NEC, London.
NEC (2026g). NEC4 Term Service Subcontract: Option X29 Nature and Climate. NEC, London.
NEC (2026h). NEC4 Alliance Contract: Option X29 Nature and Climate. NEC, London.
NEC (2026i). NEC4 Design Build and Operate Contract: Option X29 Nature and Climate. NEC, London.
NEC (2026j). NEC4 Facilities Management Contract: Option X29 Nature and Climate. NEC, London.
NEC (2026k). NEC4 Facilities Management Subcontract: Option X29 Nature and Climate. NEC, London.
Network Rail (2018). Capital Carbon Guidance Note. Draft v.10c, 23 May 2018, Network Rail, London.
O’Leary, M.J., Osmani, M. and Goodier, C. (2024). Circular economy implementation strategies, barriers and enablers for UK rail infrastructure projects. Resources, Conservation & Recycling Advances, Vol. 21, Article 200195.
Ogunmakinde, O.E., Aghajani, M. and Memari, A. (2025). Identifying risks in sustainable procurement for construction:
A systematic literature review and text-mining approach. Smart and Sustainable Built Environment, 1-27.
Rangelov, M., Dylla, H., Mukherjee, A. and Sivaneswaran, N. (2021). Use of environmental product declarations (EPDs) of pavement materials in the United States of America (U.S.A.) to ensure environmental impact reductions. Journal of Cleaner Production,Vol. 283, Article 124619.
Rangelov, M., Dylla, H., Dobling, B., Gudimettla, J., Sivaneswaran, N. and Praul, M. (2022). Readily implementable strategies for reducing embodied environmental impacts of concrete pavements in the United States. Transportation Research Record, Vol. 2676, No. 9, 436-450.
Ravn Boess, E., Kørnøv, L. and Jensen, J.U. (2024). Innovation through the EIA tender:A case of Copenhagen Metro and the SDGs. Impact Assessment and Project Appraisal,Vol. 42, No. 3, 211-228.
Rothwell, N., Lyons, H. and Safari Baghsorkhi, M. (2022) .Whole life carbon management in the rail industry. The PWI Journal, Vol. 140, No. 2, 30-35.
Sanchez, A.X., Lehtiranta, L.M. and Hampson, K.D. (2015) .Use of contract models to improve environmental outcomes in transport infrastructure construction. Journal of Environmental Planning and Management,Vol. 58, No. 11, 1923-1943.
Shang, T., Ye, K., Wu, L. and Shang, J. (2022). Opportunism or symbiosis? A case study on contractors’ unsustainable highway construction in China. Resources, Conservation & Recycling Advances, Vol. 14, Article 200082.
Somboonpisan, J. and Limsawasd, C. (2021). Environmental weight for bid evaluation to promote sustainability in highway construction projects. Journal of Construction Engineering and Management, Vol. 147, No. 4, Article 04021013.
Southern Builders, Inc. v. Shaw Development, LLC (2007). Southern Builders, Inc. v. Shaw Development, LLC. Case No. 19-C-07-011405, Maryland Circuit Court.
Varnäs, A., Faith-Ell, C. and Balfors, B. (2009). Linking environmental impact assessment, environmental management systems and green procurement in construction projects: Lessons from the City Tunnel Project in Malmö, Sweden. Impact Assessment and Project Appraisal, Vol. 27, No. 1, 69-76.
Zhang, L. and Zhou, J. (2016). The effect of carbon reduction regulations on contractors’ awareness and behaviors in China’s building sector. Journal of Cleaner Production, Vol. 113,10-93.