Today in our environmental science lecture, we'll discuss the impact of urban green spaces. Recent studies show that parks and community gardens can reduce local temperatures by up to 3 degrees Celsius during heatwaves. However, the benefit depends on the size and density of vegetation. For example, a single large park has a greater cooling effect than several small scattered ones. Additionally, trees with broad leaves provide more shade and evaporative cooling than conifers. Interestingly, the placement of green spaces near buildings is crucial; those on the windward side can channel cooler air into residential areas. So, city planners should prioritize creating large, leafy parks strategically located to maximize airflow.
❓ Según la conferencia, ¿cuál es la forma más efectiva de lograr el enfriamiento en áreas urbanas?
A. A. Plantar coníferas en pequeños parques dispersos
B. B. Crear un gran parque con árboles de hoja ancha en el lado de barlovento
C. C. Construir varios jardines pequeños cerca de cada edificio
D. D. Colocar espacios verdes en el lado de sotavento de las áreas residenciales
✅ 正确答案
B. Creating one large park with broad-leaved trees on the windward side