In today's lecture, we'll discuss 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 isn't just the presence of green areas, but their accessibility within a 10-minute walk from home. Interestingly, even small pocket parks can be effective. For example, a study in Melbourne found that residents living near tree-lined streets reported lower anxiety. But the benefits were strongest for those who actually visited these spaces weekly, not just viewed them from afar.