Today's lecture focuses on the impact of urban green spaces on mental health. Studies have shown that access to parks and gardens can reduce stress levels significantly. However, the key factor is not just the presence of green areas, but their quality and accessibility. For instance, a recent survey in London revealed that residents living within a five-minute walk of a well-maintained park reported 20% lower anxiety scores than those without such access. Interestingly, the size of the park mattered less than its upkeep and the availability of seating and shaded paths. Urban planners should prioritize these features when designing new residential areas.