Orr, P. and Johnston, R. Communities Prepared (Pilot) Evaluation. For Groundwork South.

Bennett, T., Orr, P. and Morse-Jones, S. 2018. Heathlands Reunited Evaluation of Behaviour Change in Dog Walkers. For the South Downs National Park Authority.

Kolarič, Š., Mali, B.Č. and Marot, N. 2018. Spatial Planning Policies and the Integration Models as a Means for a Better Delivery of Services of General Interest. In: Finka, Maros, Jaššo, Matej, Husar, Milan (Eds.). The Role of Public Sector in Local Economic and Territorial Development. Innovation in Central, Eastern and South Eastern Europe. Springer International Publishing.

Phillips, P., Twigger-Ross, C., Cotton, I., Gianferrara, E., Orr, P., Cherchi, F., Wyles, K., Boschoff, J. and Haydon, P. 2018. The value of bathing waters and the influence of bathing water quality: Final Research Report. For the Scottish Government. Edinburgh: The Scottish Government

White, O., Sadauskis, R., Sheate, W. and Papadopoulou, L. 2018. Water Use in the Western Balkans: Regional Outlooks and Global Megatrends. For the European Topic Centre on Inland, Coastal and Marine waters, European Environment Agency.

Orr, P., Papadopoulou, L., and Twigger-Ross, C. 2018. Water Efficiency and Behaviour Change Rapid Evidence Assessment (REA). Defra research project WT1562, for the Department for Environment, Food and Rural Affairs.

Baker, J., Papadopoulou, L., and Sheate, W. 2018. United Kingdom, Chapter 12 in Wende, W., Tucker, G.-M., Quétier, F., Rayment, M., Darbi, M. (Eds.), in Biodiversity Offsets - European Perspectives on No Net Loss of Biodiversity and Ecosystem Services. Springer International Publishing

Phillips, P.M., Kenter, J.O., Orr, P., Ainscough, J., Greenhill, L., Cotton, I., Murtagh, E., and Mellor, P. (2018). Delivery of public dialogue process to aid the development of the Clyde Regional Marine Plan (CRMP): Final Dialogue Report. Report to the Clyde Marine Planning Partnership. London: Collingwood Environmental Planning.