Why This Matters Now
On World Oceans Day, the climate conversation usually centres on forests and emission cuts. But the coast holds a quieter, highly efficient carbon store: blue carbon, the carbon captured by mangroves, seagrass and salt marshes. For an aspirant, this is a GS3 case on climate mitigation, coastal adaptation and conservation finance, a natural asset India under-counts even as it pursues net-zero and coastal resilience.
The Crux in 60 Words
Blue carbon, stored by mangroves, seagrass and salt marshes, sequesters carbon more efficiently than many land forests and also protects coasts and supports fisheries. India has long coasts and major mangroves, yet blue carbon is barely in its NDCs or carbon accounting. The fix: integrate it into climate finance and plans, restore mangroves, and tie conservation to community livelihoods.
The Issue, Decoded
| Concept | What it means | Why it matters |
|---|---|---|
| Blue carbon | Carbon stored by coastal/marine ecosystems | A highly efficient, long-term carbon sink |
| Mangroves / seagrass / salt marshes | The key blue-carbon ecosystems | Sequester carbon; protect coasts |
| NDCs | National climate pledges under Paris | Where blue carbon should be counted |
| MISHTI | India’s mangrove-restoration scheme | The delivery vehicle |
The Analysis: Why Blue Carbon Deserves a Bigger Role
- It is highly efficient. Per unit area, blue-carbon ecosystems can store carbon faster and longer than many terrestrial forests.
- It protects coasts. Mangroves and marshes buffer storm surge and erosion, delivering adaptation co-benefits.
- It supports livelihoods. These ecosystems nurse fisheries and sustain coastal communities.
- It is under-counted. Blue carbon is largely absent from India’s climate accounting and finance.
Data and Institutions Vault
Carry these into the exam hall.
The ecosystems: mangroves, seagrass meadows, salt marshes; the Sundarbans is India’s largest mangrove block (a UNESCO World Heritage Site and Ramsar site). India’s cover: roughly 4,900 to 5,000 sq km of mangroves (ISFR); a coastline of about 11,098 km. Schemes: MISHTI (Mangrove Initiative for Shoreline Habitats and Tangible Incomes); coastal regulation under the CRZ Notification. Climate frame: NDCs under the Paris Agreement; ecosystem-based adaptation; net-zero by 2070. Global link: the High Seas Treaty and SDG 14; the role of oceans as a major carbon sink.
The Debate
Argument to focus elsewhere: Blue carbon science and measurement are still maturing, so scarce resources should go to proven terrestrial forestry and emission cuts.
Argument to mainstream it: Blue carbon offers efficient mitigation plus coastal adaptation and livelihoods, a rare triple benefit India is neglecting.
The balanced verdict: Maturing measurement is a reason to invest in measurement, not to neglect the asset. India should integrate blue carbon into climate accounting and finance while improving its science, capturing the mitigation, adaptation and livelihood benefits together.
How to Think About This (Transferable Skill)
Count the assets you currently ignore. Policy optimises what it measures; what goes uncounted goes unfunded. The strong answer identifies a valuable but un-measured asset (here, blue carbon) and argues for bringing it into the accounting framework. This “measure what matters” lens applies to natural capital, the care economy and informal-sector contributions alike.
Diagram-in-Words
Mangroves + seagrass + salt marshes -> efficient carbon storage + coastal protection + fisheries. The gap: absent from NDCs/carbon accounting + under-funded. The fix: integrate into NDCs + climate finance + MISHTI restoration + community livelihoods -> climate and coastal resilience.
The Way Forward
- Integrate blue carbon into India’s NDCs and carbon accounting and markets.
- Protect and restore mangroves and seagrass through MISHTI and CRZ enforcement.
- Channel climate and adaptation finance to coastal ecosystems.
- Tie conservation to community livelihoods for durable protection.
The Takeaway Box
Mains angle (GS3): “Blue carbon ecosystems are an underused climate and coastal-resilience asset for India.” Examine their potential and the barriers. (250 words)
Lift line (use verbatim): “The ocean’s edge stores carbon more faithfully than many forests, yet India barely counts it; what we do not measure, we do not protect.”
Prelims hooks: Blue carbon (mangroves, seagrass, salt marshes) · Sundarbans (UNESCO + Ramsar) · mangrove cover ~4,900-5,000 sq km · MISHTI · CRZ Notification · NDCs · SDG 14.
Ethics / Interview angle: Should blue carbon be a formal part of India’s NDCs even while its measurement science is still maturing?
PYQ linkage: Connects to GS3 PYQs on climate mitigation, coastal ecosystems and conservation; probable forward question is the blue-carbon framing above.
Connects to: today’s World Oceans Day article and the deep-sea mining editorial; static GS3 on coastal ecosystems and climate.
Sources: Down To Earth, MoEFCC, Forest Survey of India
Source: The Ocean's Forgotten Carbon: On Blue Carbon and Climate — Ujiyari.com | Free UPSC & State PCS Editorial Analysis
