Today in our environmental science lecture, we'll discuss the impact of urban green spaces. Recent studies show that parks in cities can reduce local temperatures by up to 5 degrees Celsius during heatwaves. This cooling effect is mainly due to shade from trees and evapotranspiration from plants. However, the effectiveness depends on the size and design of the green area. For example, a large central park with dense tree coverage has a more significant cooling impact than several small scattered gardens. Additionally, green roofs and vertical gardens on buildings can also contribute, but they require more maintenance and water. Therefore, urban planners should prioritize creating larger, interconnected green spaces to maximize environmental benefits.
❓ Theo bài giảng, cách hiệu quả nhất để giảm nhiệt độ đô thị là gì?
A. A. Xây dựng nhiều khu vườn nhỏ phân tán
B. B. Tạo ra các không gian xanh lớn hơn, liên kết với nhau
C. C. Lắp đặt mái nhà xanh trên tất cả các tòa nhà