Research outputs

• Hodge, S., Barrett, P., & Kurian, P. (2025). The circular economy in Aotearoa New Zealand: a critical evaluation of policy and its current prospects. Kōtuitui: New Zealand Journal of Social Sciences Online, 1–20. 
• Thundathil M., Müssig J., Nazmi A., Shahri B., Emerson N., Huber T., (2025). Designing Sustainable Materials: The Role of Material Perception in Consumer Acceptance. New Design Ideas, 9(1), 30-59.
• Gharanjig, H., Najaf Zadeh, H., Stevens, C., Abhayawardhana, P., Huber, T., & Nazmi, A. R. (2025). Development of Extrudable Hydrogels Based on Carboxymethyl Cellulose–Gelatin Complex Coacervates. Gels, 11(1), 51. 
• Akindoyo, J. O., Pickering, K. L., Beg, M. D. H., & Li, Y. (2024). Reactive compatibilization of harakeke fiber-reinforced poly(lactic acid)/polybutylene succinate blend. Journal of Applied Polymer Science, 141(40), e56030.
• Beg, M. D. H., Pickering, K. L., Akindoyo, J. O., & Gauss, C. (2024). Recyclable hemp hurd fibre-reinforced PLA composites for 3D printing. Journal of Materials Research and Technology, 33, 4439–4447.
• Graupner, N., Gauss, C., Pickering, K., Schmidt, S., & Müssig, J. (2024). Fibrillation - Improving the fibre/matrix adhesion of lyocell fibres for use in short fibre-reinforced and 3D printed composites. The European Society for Composite Materials (ESCM) and the Ecole Centrale de Nantes. 
•  Xu, J., Mucalo, M. R., & Pickering, K. L. (2024). Bioinspired surface modification of mussel shells and their application as a biogenic filler in polypropylene composites. Composites Part C: Open Access, 15, 100520. 
• Matinong, A.M.E., Pickering, K.L., Waterland, M.R., Chisti, Y., Haverkamp, R.G. (2024). Gelatin and Collagen from Sheepskin. Polymers, 16, 1563. 
• Akindoyo, J. O., Pickering, K., Mucalo, M., Beg, M. D., & Hicks, J. (2024). Mechanenzymatic production of natural fibre from harakeke (New Zealand flax) and its characterization for potential use in composites for building and construction applications. Industrial Crops and Products.
• Mika, J., Oxley, L., Claus, I., Roa, T., Morrison, S., & Peryman, M. (2024, May 13). Āmiomio: Toward a framework for sustainable wellbeing—A New Zealand perspective (Version 2). University of Waikato. Unpublished manuscript.
• Greene, A. F., Abbel, R., Vaidya, A. A., Tanjay, Q., Chen, Y., Risani, R., Saggese, T., Barbier, M., Petcu, M., West, M., Theobald, B., Gaugler, E., & Parker, K. (2023). Environmentally Benign Fast-Degrading Conductive Composites. Biomacromolecules. 
• Blumhardt, H. (2023). Current and future approaches to shifting businesses towards plastic-free packaging systems based on reduction and reuse. Cambridge Prisms: Plastics, 1, E18.
• Gauss, C., Pickering, K. L., Graupner, N., & Müssig, J. (2023). 3D-printed polylactide composites reinforced with short lyocell fibres – Enhanced mechanical properties based on bio-inspired fibre fibrillation and post-print annealing. Additive Manufacturing.
• Beg, M.D.H., Pickering, K. L., & Gauss, C. (2023). The effects of alkaline digestion, bleaching, and ultrasonication treatment of fibre on 3D printed harakeke fibre reinforced polylactic acid composites Composites Part A: Applied Science and Manufacturing.
• Gunasekara, L. A., Robb, D. J., & Zhang, A. (2023). Used product acquisition, sorting, and disposition for circular supply chains: Literature review and research directions. International Journal of Production Economics.
• Liu, Y., Farooque, M., Lee, C. H., Gong, Y., & Zhang, A. (2023). Antecedents of circular manufacturing and its effect on environmental and financial performance: A practice-based view. International Journal of Production Economics.
• Nelson, J., Pickering, K. L., & Beg, M.D.H. (2023). Assessment of the potential of waste Copper Chromium and Arsenic (CCA)-treated timber fibre reinforced polypropylene composites for construction. Journal of Composites Science.
• Diprose, G., Lee, L., Blumhardt, H., Walton, S., & Greenaway, A. (2023). Reducing single-use packaging and moving up the waste hierarchy. Kōtuitui: New Zealand Journal of Social Sciences Online, 18(3), 268-289.
• Zhang, A., Duong, L., Seuring, S., & Hartley, J. (2023). Circular supply chain management: A bibliometric analysis-based literature review. International Journal of Logistics Management, 34(3), 847-872
• Thundathil M., Nazmi AR., Shahri B., Emerson N., Mussig J. and Huber T. (2023) Designing with biobased composites: understanding digital material perception through semiotic attributes. Design Science 9(6) doi:10.1017/dsj.2023.5.
• Thundathil M., Nazmi AR., Shahri B., Emerson N., Müssig J. and Huber T. (2023) Visual–Tactile Perception of Biobased Composites. Materials 16(5) doi:10.3390/ma16051844.
• Akindoyo, J., Pickering, K., Beg, M.D.H., & Mucalo, M. (2022). Combined digestion and bleaching of New Zealand flax/harakeke fibre and its effects on the mechanical, thermal, and dynamic mechanical properties of poly(lactic) acid matrix composites. Composites Part A: Applied Science and Manufacturing.
• Barton, B. (2022). Building Resilience from the Ground Up: Local Supply and Demand Management with Renewables, Prosumers, Energy Efficiency, Critical Minerals, and the Circular Economy. In C. Banet, H. Mostert, L. Paddock, M. F. Montoya, and I. del Guayo (Eds.), Resilience in Energy, Infrastructure, and Natural Resources Law: Examining Legal Pathways for Sustainability in Times of Disruption (pp. 327-341). Oxford University Press, doi:10.1093/oso/9780192864574.003.0020.
• Blumhardt, H. (2022). My Product, My Right to Repair it. In A. Pendergrast & K. Pendergrast (Eds.), More Zeros and Ones: Digital Technology, Maintenance and Equity in Aotearoa New Zealand. Bridget Williams Books.
• Blumhardt, H. & Prince, L. From lines to circles: Reshaping waste policy. Policy Quarterly, 18(2), 71-80.
• Burke, H., Zhang, A., & Wang, J. X. (2021). Integrating product design and supply chain management for a circular economy. Production Planning & Control, 1-17.
• Farooque, M., Zhang, A., Liu, Y., & Hartley, J. L. (2022). Circular supply chain management: Performance outcomes and the role of eco-industrial parks in China. Transportation Research Part E: Logistics and Transportation Review, 157, 102596.
• Manu, T., Nazmi, A. R., Shahri, B., Emerson, N., & Huber, T. (2022). Biocomposites: A Review of Materials and Perception. Materials Today Communications, 103308.
• Matinong, A. M., Chisti, Y., Pickering, K. L., & Haverkamp, R. G. (2022). Collagen extraction from animal skin. Biology, 11(905), 1-15.
• Wang, J. X., Burke, H., & Zhang, A. (2022). Overcoming barriers to circular product design. International Journal of Production Economics, 243, 108346.
• Zaw, W. T. (2022). Right to Repair: The Obstacles in the Current Law. The New Zealand Law Journal.
• Zaw, W. T. (2022) Right to repair: How to design new law reforms. The New Zealand Law Journal. 
• Zhang, A., Wang, J. X., Farooque, M., Wang, Y., & Choi, T. M. (2021). Multi-dimensional circular supply chain management: A comparative review of the state-of-the-art practices and research. Transportation Research Part E: Logistics and Transportation Review, 155, 102509.

UN Climate Change Conference COP26 Symposium

• Barton, B. (2021, November). Commentary on what's important. In T. Gibbons (Chair), Local panel: Law, science & innovation. Symposium conducted at the UN Climate Change Conference COP26, Glasgow, Waikato Event.
• Oxley, L. (2021, November). Circular Economy. In F. Scrimgeour (Chair), Local panel: Finance and economics. Symposium conducted at the UN Climate Change Conference COP26, Glasgow, Waikato Event.
• Roa, T. (2021, November). Introductory Comments. In S. Morrison (Chair), Local panel: Setting the scene - what's to come! Symposium conducted at the UN Climate Change Conference COP26, Glasgow, Waikato Event.

Opinion pieces

• Zaw, T. (2024). How long should everyday appliances last? Why NZ needs a minimum product lifespan law. The Conversation.
• Blumhardt, H. (2023, June 28). Kicking the single-use plastic habit. Newsroom.
• Pritchett, S., Blumhardt, H., Austin, G., & Smith, P. (2022, October 13). What happened to No 8 wire? Give us back our right to repair. Newsroom.
• Blumhardt, H. (2021, November 3). NZ’s government plans to switch to a circular economy to cut waste and emissions, but it’s going around in the wrong circles. The Conversation. 
• Walton, S. (2021, August 2). What goes around ... moves around. Otago Daily TImes.

Reports

• Blumhardt, H. (2023).  Working Paper: Regulating products, production, and consumption for a Circular Economy in Aotearoa New Zealand.
• Nelson, J. M. B., Elliot, G., Pickering, K. L., & Beg, M. D. H. (2022). Preliminary materials flow analysis for Aotearoa New Zealand’s building construction sector. University of Waikato.
• Diprose, G., Walton, S., Greenaway, A., and Collins, E. 2022. How is the circular economy emerging in Aotearoa New Zealand? Research Brief.

• Diprose, G., Walton, S., Greenaway, A., and Collins, E. 2022. How is the circular economy emerging in Aotearoa New Zealand? Infographic.

Database

• Nelson, J., Elliot, G., Pickering, K., & Beg, M.D. (2022). Construction and demolition material flow database.

Policy Submissions

• Submission on the Transforming Recycling Consultation
• Submission on the Emissions Reduction Plan Consultation
• Written Submission to the Petition Committee on the petition of Repair Café Aotearoa NZ - Make it our Right to Repair

Media Releases

• Waikato event connects to COP26 and climate change crisis
• Have your say and shape the emissions reduction plan
• Waikato researchers help launch circular economy initiatives for business
• Mussel shell house cladding could help cut landfill waste by half — researchers say
• NZ’s government plans to switch to a circular economy to cut waste and emissions, but it’s going around in the wrong circles