UPSC Mains
GS Paper III
Environment & Urban Ecology
Restoring Urban Lakes and Wetlands
India’s cities are losing their natural defences against climate change — why treating urban lakes as “climate buffers” needs to replace cosmetic beautification.
GLOBAL WETLAND COVER
~6% of Earth’s Surface
HYDERABAD’S LOSS
61% Lake Area Lost Since 1979
J&K’S LOSS (CAG)
500+ Lakes Lost Since 1967
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Why in News & the Value of Wetlands
- Growing concern over the disappearance of urban lakes and wetlands, with cities losing natural defences against climate change. Initiatives like Telangana’s HYDRAA (Hyderabad Disaster Response and Asset Protection Agency) highlight the need for genuine ecological restoration over cosmetic beautification.
- Wetlands — including urban lakes — cover nearly 6% of the planet’s surface and are among the most productive ecosystems on Earth.
Ecological Significance
- Carbon Sequestration: Store a disproportionately large share of the world’s carbon, often outperforming forests per unit area.
- Climate Regulation: Act as urban climate buffers and sponge systems, controlling floods and heat.
- Human Well-being: Provide water security and support livelihoods — yet many are now biologically dead or heavily eutrophic.
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The Crisis: Scale and Causes
- CAG has flagged large-scale shrinkage in Jammu & Kashmir, including the loss of over 500 lakes since 1967.
- Hyderabad lost roughly 61% of its lake area since 1979, with 268 water bodies disappearing between 2002-2012 — intensifying urban heat islands and unpredictable flooding.
Unplanned Urbanisation
Developers and municipal bodies treat lakes as “vacant land” rather than critical ecological infrastructure, making them vulnerable to encroachment.
Opportunity Cost of Land
Multiplying land prices turn peri-urban catchments in cities like Hyderabad, Bengaluru and Mumbai into prime real estate, incentivising encroachment.
Institutional Apathy
Water bodies become dumping spots for untreated sewage and effluents — lakes are taken for granted, not just encroached upon.
Beautification Over Ecology
Municipal bodies prioritise visible fixes (promenades, lighting) over genuine repair — feeder channels and water quality are ignored.
Governance failure: Fragmented accountability, ambiguous catchment boundaries, and Ramsar-site recognition mistaken for actual local conservation success.
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Way Forward: Structural Reform Over Cosmetic Fixes
Integrate Into City Planning
Treat lakes as critical ecological infrastructure, not vacant land available for development.
Absolute Legal Protection
Give lake boundaries and catchments strict legal safeguards with consistent penalties for encroachment.
Unified Governance
Streamline fragmented governance under unified, accountable authorities instead of multiple disconnected agencies.
Institutionalise Citizen Ownership
Embed community participation within governance frameworks to ensure permanent local stewardship.
Existing Government Initiatives
- AMRUT — urban infrastructure and water body rejuvenation; Jal Shakti Abhiyan — water conservation.
- Mission Amrit Sarovar — pond/water body development; NPCA — conservation of lakes and wetlands; Wetlands (Conservation and Management) Rules, 2017.
Beyond quick fixes: Cities that reduce lakes to landscaped backdrops will pay the price; those that restore them as living ecosystems will secure resilience in a warming, water-stressed future.
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Source: The Hindu
