Reading & Writing · 순서대로 문제풀이

**Text 1** — Advocates of urban greening often claim that rooftop gardens can substantially lower city air temperatures, pointing to the natural cooling effect of vegetation. **Text 2** — Engineer Dana Ruiz measured rooftop gardens in Phoenix and found meaningful cooling only where gardens used drought-adapted plants with steady irrigation; poorly maintained plots showed negligible effects. The benefit, she concludes, is conditional rather than automatic.