雅思听力

🎧 Listening Transcript

Welcome to today's lecture on urban planning. We'll focus on the concept of 'green corridors' - strips of vegetation that connect parks and natural areas within cities. These corridors are not just for aesthetics; they play a crucial role in supporting biodiversity by allowing animals to move safely between habitats. However, one major challenge is that they require continuous maintenance, especially in densely built areas where space is limited. In a case study from Singapore, planners integrated green corridors with existing drainage systems, which reduced flooding by 30% while also creating recreational spaces for residents. Interestingly, the initial cost was high, but long-term savings on stormwater management made it economically viable.