Today in our environmental science lecture, we'll discuss urban green spaces. Recent studies show that parks and community gardens can reduce city temperatures by up to 5 degrees Celsius during heatwaves. However, the key factor is not just the number of trees, but their distribution. Researchers found that neighborhoods with evenly spaced small green areas experience greater cooling effects than those with one large central park. This is because shade and evapotranspiration are more effective when spread throughout the city. Additionally, green roofs on buildings contribute significantly, but they require regular maintenance and are less effective in older structures.
❓ Según la conferencia, ¿qué hace que los espacios verdes urbanos sean más efectivos para reducir las temperaturas de la ciudad?
A. A. Tener un gran parque central
B. B. Distribución uniforme de pequeñas áreas verdes
C. C. Aumentar el número de árboles independientemente de su ubicación
D. D. Centrándose únicamente en los techos verdes en edificios modernos