Today we're discussing the impact of urban green spaces. A recent study in Melbourne found that adding parks and community gardens can reduce local temperatures by up to 2 degrees Celsius during summer heatwaves. Interestingly, the effect was strongest in neighborhoods with older trees, not just grass areas. The researchers also noted that residents near these green spaces reported improved mental well-being, though they emphasized that this was based on self-reporting, not clinical measures. However, the study did not find a significant reduction in air pollution levels, contrary to what many assume.
❓ メルボルンの研究では、都市の緑地について何が明らかになりましたか？
A. 彼らは全地域で大気汚染を大幅に減少させた。
B. 彼らは、成熟した木々がある地域で最も効果的に気温を下げた。
C. 彼らは住民の精神的健康に影響を与えなかった。
D. 彼らは芝生と小さな庭がある地域だけで働いていた。
✅ 正确答案
They lowered temperatures most effectively in areas with mature trees.