📌 Why in News?
Traditional infrastructure is 'grey': concrete drains, pumps, culverts and pipes.
Climate-resilient planning combines grey infrastructure with blue infrastructure
- rivers, ponds, lakes, wetlands and canals
- and green infrastructure
- parks, urban forests, bioswales and vegetated surfaces.
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Exam map
Syllabus & Relevance
Paper: GS-3
Theme: Environment
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Quick base
Static Foundation
Together they reduce runoff, recharge groundwater and improve urban biodiversity.
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Rapid revision
Prelims Quick Facts
Prelims facts will be updated soon.