https://www.theguardian.com/environment/2022/sep/02/scientists-unlocking-secrets-why-forests-make-us-happy > Research project aims to discover how age, size and shape of woodlands affect people’s happiness and wellbeing > How happy do you feel right now? The question is asked by an app on my phone, and I drag the slider to the space between “not much” and “somewhat”. I’m about to start a walk in the woods that is part of a nationwide research project to investigate how better to design the forests of the future.