Today in our environmental science lecture, we're discussing urban green spaces. A recent study in Manchester found that community gardens not only improve air quality but also reduce stress levels among residents. However, the researchers noted a key limitation: the benefits were most significant in neighborhoods with existing social cohesion. In areas lacking community engagement, the gardens had minimal impact on mental well-being. The study suggests that future urban planning should prioritize creating spaces that encourage interaction, rather than simply planting more trees. Professor Davis, who led the research, emphasized that maintenance is another critical factor, as neglected gardens can actually increase local crime rates.
❓ Según la conferencia, ¿qué descubrió el estudio de Mánchester sobre los jardines comunitarios?
A. A) Siempre reducen el estrés independientemente del vecindario.
B. B) Son más efectivos cuando los residentes ya interactúan bien entre sí.
C. C) Aumentan las tasas de criminalidad si no se mantienen regularmente.
D. D) Mejoran la calidad del aire más que la salud mental.
✅ 正确答案
B) They are most effective when residents already interact well.