Trees and Design Action Group
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The Trees and Design Action Group (TDAG), brings together individuals, professionals, academics and organisations from wide ranging disciplines in both the public and private sectors to improve knowledge and good practice to support the role of urban trees through better collaboration in the planning, design, construction and management and maintenance of our urban places.
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News

Congratulations to the winner and runners-up of the first TDAG/Mersey Forest Ideas Lab Early Career Research Prize

We received a number of very interesting urban tree research projects from early career researchers from which 6 were shortlisted to present at the TDAG seminar on 4th November. The audience voted for the winner and two runners-up and we are pleased to announce the results:
– The prize winner was Elle Smith from the University of Leeds for her work on The role of private garden trees and woodland cover for 3-30-300 success in seven English cities
– In second place was Will Leaning from the University of Sheffield for his work on Predicting the impacts of climate change on urban green populations and urban forest strategies
– In third place was Isabella Bhoan of WW+ P Architects for her work on Learning the Land Digitally – LIM.
 
Our congratulations to the winner and runners-up, but our thanks and appreciation to all the presenters for a superb insight into the work they are all doing. You can see all six research presentations and a recording of the event, including the keynote talk by Professor Cecil Konijnendik in Past Events.

TDAG Newsletter – November 2025
​​This includes TDAG events and activities; events organised by others and an extensive list of new publications and research. We would like to encourage more research dissemination and so are introducing a ‘Research Round-up – Implications for practitioners’ inviting researchers to tell us about their completed projects and why they are relevant for practitioners working with trees. Please submit a short outline here.
tdagnewsletternovember25.pdf
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Our theme for this year's Seminar Series is Designing and delivering resilience for today and tomorrow? Start with the trees

Our final seminar for 2025 will be on 9th December, 2-4pm:
Resilience through BNG? What have we learned – a two-year review
Zoom registration

Full details are available in Events.

Tree Species Selection for Green Infrastructure now available as French and Dutch versions
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The success of Tree Species Selection for Green Infrastructure within the UK has led to a collaboration between TDAG and Environnement.brussels, to bring the evidence-based guidance to new audiences in Belgium and beyond. We are proud to announce that this guide is now available in French and Dutch from the 'Our Guides' page above. These direct translations of the original English version will expand the value of the original work and support those specifying trees across a larger region in north-west Europe. Bruxelles Environnement has also published adapted versions of Trees in the Townscape and Trees in Hard Landscapes into French and Dutch as part of the Renature.Brussels project.

The urgent need for urban trees
 
Sue James, Convenor of the Trees and Design Action Group in a wide ranging conversation with Vanessa Champion, Editor of the Journal of Biophilic Design.

Our latest guide – First Steps in Canopy Cover Assessments 
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​The second guide in our two-part series on Canopy Cover is now available and free to download here. This guide outlines how canopy cover can be measured at a site scale and approaches that can be taken to project canopy spread over decades, which is useful in the planning context.

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First Steps in Urban Tree Canopy Cover

​This is the first guide in our two-part series taking a strategic approach for urban forest planning. It is free to download here.
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Urban noise and how to dampen it…

​Urban noise pollution, primarily generated by traffic, construction, and industrial activities, poses a significant threat to public health and well-being. Our First Steps in Urban Noise guide outlines tree and vegetation recommendations for an optimal buffer to reduce urban noise. It's free to download from the Our Guides page above.
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Information filled TDAG stand at Futurebuild​

​The full Futurebuild 2025 knowledge programme recordings are now available without charge to watch here.

Urban water and how to manage it

Recent heavy rain events have been a stark reminder about the need for better management of our water. TDAG’s guide First Steps in Urban Water: Managing Water as a Resource outlines the key issues and actions. 

Our urban water seminar held on 15th November 2023 is available on our YouTube channel.
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Our guidance on tree strategies –  Trees, Planning and Development: A Guide for Delivery – Section Two: Planning the urban forest: how to develop a strategy that delivers

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This is published alongside an update of Section One and outlines how such a strategy can be developed for local authorities and for all owners of trees and woodlands.
 
Accompanying this, Appendix: Urban forest sustainability performance Indicators for the UK is an aid to monitory progress once a strategic plan has been agreed.
 
Briefing Note 01: Legislation, policy and guidance on trees and development throughout the UK adds further support. 

​With the evidence-based understanding that urban trees can delivery multiple social, environmental and economic benefits particularly in the context of our two critical challenges of climate change and biodiversity decline, ensuring that existing urban trees are retained and that new trees are a requirement for all new developments, TDAG is calling for all local authorities to have adopted tree strategies.

Available from Our Guides.

News​ archive ​
Core funders
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trees.org.uk

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bali.org.uk

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barcham.co.uk

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trees.hillier.co.uk

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mineralproducts.org

​European partner

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environnement.
brussels

CPD partner

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theihe.org

Administrative support

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birmingham.ac.uk
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Contact us

All matters
Sue James [email protected]

Seminars
Emma Ferranti [email protected]


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​Please note: TDAG does not have the resources to comment on individual tree cases or other local issues.
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