Good morning, everyone. Today we're discussing the impact of urban green spaces on mental health. A recent study conducted in Melbourne followed 500 adults over five years. Participants who lived within 300 meters of a park or garden reported 20% lower stress levels. Interestingly, the size of the green space mattered less than its accessibility. The study also found that people who visited these areas at least once a week showed better sleep quality. However, the benefits were reduced for those living near busy roads, suggesting that noise pollution can offset the positive effects. So, urban planners should prioritize quiet, accessible green areas.
❓ According to the lecture, what factor most influenced the mental health benefits of green spaces?