In today's lecture, we're discussing the impact of urban green spaces on mental health. Recent studies have shown that access to parks and gardens can significantly reduce stress levels. However, the key factor is not just the presence of green areas, but their quality. For instance, a well-maintained park with diverse plant species and quiet seating areas has a stronger positive effect than a large but barren lawn. Additionally, community involvement in maintaining these spaces enhances the benefits, as it fosters social connections. Surprisingly, the size of the park matters less than its design and accessibility. So, when planning urban environments, we should prioritize quality over quantity.