Today, in our environmental science lecture, we're discussing the impact of urban green spaces on local climate. A recent study in Melbourne found that increasing tree coverage by 20% could reduce surface temperatures by up to 4 degrees Celsius during summer heatwaves. However, this effect is most significant in densely built areas with limited natural shade. The researchers also noted that while parks help with cooling, they require substantial water resources, which is a challenge in drought-prone regions. Therefore, they recommend prioritizing native drought-resistant species for sustainable urban planning.
❓ Según la conferencia, ¿qué descubrió el estudio en Melbourne sobre el aumento de la cobertura arbórea?
A. A. Puede reducir las temperaturas en 4 grados en todas las áreas urbanas.
B. B. Es más eficaz en áreas con pocos edificios y poca sombra natural.
C. C. Reduce las temperaturas superficiales hasta en 4 grados durante las olas de calor del verano.
D. D. Requiere demasiada agua para ser una solución práctica.
✅ 正确答案
C. It reduces surface temperatures by up to 4 degrees in summer heatwaves.