Today in our environmental science lecture, we're discussing urban green spaces. Recent studies show that parks and community gardens can reduce city temperatures by up to five degrees Celsius. This cooling effect occurs because plants release moisture through transpiration, and shade from trees blocks solar radiation. However, the benefits aren't just physical. Access to green areas has been linked to lower stress levels and improved mental health among residents. Interestingly, the size of the green space matters less than its distribution. Even small pocket parks, if evenly spread across neighborhoods, can have a significant impact on both temperature regulation and community well-being. So, city planners should prioritize creating many small green spots rather than one large central park.
❓ 根据讲座内容，关于城市绿地的主要发现是什么？
A. A. 大型中央公园比小型公园更为有效。
B. B. 绿地的分布比其面积更为重要。
C. C. 绿色空间仅有助于降低大城市的温度。
D. D. 植物主要在夜间释放水分以冷却空气。
✅ 正确答案
B. The distribution of green spaces is more important than their size.