Today in our environmental science lecture, we'll discuss urban green spaces. Recent studies show that parks in cities do more than just beautify the area. They help reduce the 'heat island' effect, where built-up areas become significantly warmer than surrounding rural zones. Trees and grass cool the air through evaporation and shade. Additionally, these spaces improve mental health by providing a quiet retreat from noisy streets. However, the maintenance cost is often underestimated, and many cities struggle to fund regular upkeep. Despite this, the long-term benefits, such as reduced energy consumption from lower temperatures, outweigh the initial investment.
❓ Según la conferencia, ¿cuál es uno de los principales beneficios de los espacios verdes urbanos que se mencionó?
A. Aumentan el valor de las propiedades en el área circundante.
B. Ayudan a reducir las temperaturas urbanas mediante el enfriamiento natural.
C. Proporcionan instalaciones recreativas gratuitas para la práctica de deportes.
D. Reducen la necesidad de transporte público.
✅ 正确答案
They help lower city temperatures through natural cooling.