| 2018 | A Bedroom at Bath. CRM Society Journal, Issue 102 Spring 2018. |
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2017 |
Charles Rennie Mackintosh: A Bedroom at Bath. The Museum of Bath at Work, |
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2015 |
Imagined Spaces, Literature and Environments. ‘…above the Springs of Wandle’ University of Bristol Conference. |
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2015 |
Remembering the Lost Rivers of London. River Restoration Conference, Towcester, Northants. Award winning Poster Paper. |
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2015 |
‘The Genesee Would Rebel’: the story of our attempts to tame a river and how it was saved. SUNY/Bath Spa University GALA. |
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2015 |
Churchill Fellowship Anniversary, Blenheim, Traditional Water Management in Sri Lanka. Poster Paper. |
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2015 |
Remembering the Lost Rivers of London. SUNY Geneseo, New York, USA |
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2014 |
The Genius of the Place? Attitudes of women writers to the English Landscape Improvement movement of the eighteenth century. Submitted for Garden History Society Annual Essay Prize |
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2013 |
William Morris and the Environment – did he discover it in Iceland? Submitted for Hazlitt Annual Essay Prize |
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2013 |
The Beauty of Bath: Engineering in a Georgian city. The Museum of Bath at Work, in conjunction with Horstman Defence Systems Limited. |
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2010 |
Conference for the 25th Anniversary of the EIA Directive, EU Environment Directorate, Leuven, Belgium (invited participant) |
| 2010 | Keeping a promise: Mitigation in action. Transitioning to the Green economy; 30th annual conference IAIA, Geneva. |
| 2009 | Dams: the battleground of Sustainable Development. Closing Plenary address to Waterpower XVI, Spokane, USA. |
| 2009 | Troubled Waters. Review of Water Conflicts in India: A Million Revolts in the Making Editors: K J Joy, et al. For Resurgence |
| 2009 | Dams: A Battleground. Presentation to the Centre for the History of Technology, University of Bath |
| 2008 | Dam. Reaktion Books, London |
| 2008 | River Restoration for Social Benefit. River Restoration Conference. Exeter University |
| 2007 | Environmental Impact Assessment Workbook (2nd edition) IEM, University of Bath |
| 2007 | Water management in Sri Lanka and climate change in UK. Poster paper . International Water History Association. Tampere, Finland. |
| 2006 | Traditional Water Management in Sri Lanka and its relevance to the UK for Climate Change. Report to Winston Churchill Memorial Trust. |
| 2004 | Integrated Catchment Planning – the case for SEA and EIA. IEMA Annual Conference 2004: plenary session presentation. |
| 2002 | Environmental Impact Assessment Handbook: A Practical Guide for Planners, Developers and Communities. Thomas Telford (co-author with Barbara Carroll) (reprinted 2003) (2nd Edition 2009) |
| 2002 | A Capital Investment: Innovation in Habitat Creation on the Tidal Thames. In: Proceedings of the CIWEM Rivers and Coastal Group Winter Meeting. London |
| 2001 | Dam & Reservoir Development: The Environmental Opportunities. Hydro. Riva del Garda, Italy. |
| 2001 | Dam & Reservoir Development: Case Studies in achieving environmental protection and enhancement. Environmentalist |
| 2000 | Environmental Mitigation of Dams: The Changing Approach. British Dam Society, Bath |
| 1999 | The changing approach to mitigation of environmental impact of reservoirs, IAIA Glasgow |
| 1998 | Creating a Coastal Wetland. CIWEM Rivers and Coastal Group Annual Conference, Leamington |
| 1997 | Environmental Assessment of Pipelines. Onshore Pipelines Conference, Berlin |
| 1996 | Environmental Assessment and Sustainable Development. University of Bradford |
| 1996 | Environmental Strategies for Sustainable Development. Water Environment ‘96, London. (CIWEM 1997) |
| 1994 | Strategic Environmental Assessment, European Environment Conference, Nottingham |
| 1993 | Catchment Management Planning, Second International Conference on EA, Prague |
| 1992 | Effect of EA on Water Industry, IWEM, Taunton |
| 1991 | Industry and Environment, First International Conference on EA, Prague |
| 1990 | EA of the Blashford Lakes Scheme, IWEM, Bournemouth |
| 1987 | UK Experience of EA, International Association for Impact Assessment Barbados |