Today in our environmental science lecture, we're discussing urban green spaces. A recent study in Melbourne found that increasing tree canopy coverage by just 10% can reduce street surface temperatures by up to 2.5 degrees Celsius during summer heatwaves. However, the researchers noted that the effect is most significant in residential areas with low-rise buildings, rather than in dense city centers where tall structures block airflow. Additionally, they emphasized that maintenance costs for these green spaces are often underestimated, which can lead to neglect over time. The key takeaway is that city planners should prioritize tree planting in suburbs, not just downtown areas, to maximize cooling benefits.
❓ Согласно лекции, где охлаждающий эффект городских деревьев наиболее значителен?
A. A. В плотных городских центрах с высокими зданиями
B. B. В жилых районах с малоэтажной застройкой
C. C. В промышленных зонах с высоким уровнем загрязнения
D. D. В районах с высокими затратами на техническое обслуживание