The environment-behaviour relationship is a central concept in environmental psychology, which examines how the physical environment influences human behaviour, emotions, and cognition, and how human activities, in turn, impact the environment. This relationship is bidirectional, meaning that while the environment shapes behaviour, behaviour also modifies the environment over time. Environmental psychology seeks to understand these dynamics in order to create spaces that promote well-being, efficiency, and sustainability. One key aspect of this relationship is the effect of physical settings on human actions. The design, layout, and sensory qualities of spaces can significantly influence behaviour. For example, well-lit, open, and organized spaces tend to encourage social interaction, productivity, and positive moods, whereas crowded, noisy, or poorly ventilated environments can increase stress, aggression, and cognitive fatigue.