GATE 2025 AR — Planning – Question 20
Which concept describes urban green spaces and waterbodies used to retain or detain rainwater?
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Correct answer: (A) Sponge city
Explanation
A sponge city uses permeable and water-retaining landscape infrastructure to absorb, store, infiltrate and gradually release runoff, A. The other concepts concern airport-linked development, accessibility within short travel times or compact urban form rather than this primary water-management function.