Trinity is Ireland’s leading university and is ranked 75th in the world (QS World University Rankings 2026). Founded in 1592, the University is steeped in history with a reputation for excellence in education, research, and innovation, which has been inspiring generations of thinkers for over 400 years. This fully funded PhD studentship is part of a larger interdisciplinary project, Implementing and Evaluating Nature-Based Solutions for Health in Children and Adolescents, funded through the AIB Trinity Climate Hub Trinity Research Doctorate Award (TRDA) scheme. Nature-based solutions (NBS) are increasingly used to address climate-related challenges while also supporting healthier and more sustainable communities. In particular, active travel-oriented NBS – such as greenways, safe walking and cycling infrastructure, urban greening, and connected public spaces – may simultaneously improve environmental sustainability, increase physical activity, reduce pollution exposure, and support men...