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 local temperatures by up to 2.5 degrees Celsius during summer heatwaves. However, the study also noted that the placement of trees matters more than the total number. Trees planted along streets and near buildings provide the most significant cooling effect, while those in large parks have less impact on surrounding residential areas. Additionally, the researchers emphasized that maintenance costs, such as watering and pruning, are often underestimated by city planners.
❓ Согласно лекции, что обнаружило исследование Мельбурна об urban-деревьях?
A. A) Добавление большего количества деревьев в парках — самый эффективный способ охладить города.
B. B) Расположение деревьев важнее, чем их общее количество.
C. C) Расходы на посадку деревьев обычно переоцениваются городскими планировщиками.
D. D) Увеличение древесного полога на 10% может снизить температуру на 5 градусов.
✅ 正确答案
B) The location of trees is more important than the total number of trees.