📌 Why in News?
One of the strongest long-term solutions is the sponge city approach.
A sponge city is designed to absorb, store, filter and reuse rainfall rather than rapidly pushing every drop into underground drains.
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Exam map
Syllabus & Relevance
Paper: GS-3
Theme: Science & Technology
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Quick base
Static Foundation
Typical interventions include permeable pavements, green roofs, urban forests, restored wetlands, rain gardens, detention ponds, bioswales and underground storage.
The objective is not to eliminate water but to give water space within the city.
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Rapid revision
Prelims Quick Facts
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