On paper, Pakistan’s blue economy story is compelling. The country has a coastline of roughly 1,000 kms, busy ports at Karachi, Port Qasim and Gwadar, a fishing sector that supports coastal households, and one of the largest arid-climate mangrove systems on earth, in the Indus Delta. In November 2025 the Maritime Affairs Minister reaffirmed the “Maritime @100” vision of a US$100 billion blue economy by 2047. In July 2026 the ministry said Pakistan ranks seventh in the world in mangrove area and aims to move up to fourth. But a vision is not a financing plan. For economists, the central question is a simple one: can the carbon stored in coastal forests be turned into enough revenue to protect those forests, support the people who depend on them, and help pay for the wider blue economy? The honest answer is that carbon credits can help, but they cannot do it alone.
What the Delta has already delivered?
The Sindh Delta Blue Carbon project, begun in 2015 as a public-private partnership between the Sindh government and Indus Delta Capital, covers more than 350,000 hectares. According to the Maritime Affairs Minister, it has generated about US$40 million in carbon credit sales, with annual potential estimated at US$20 million to US$50 million. Press reports of official projections go further, suggesting cumulative revenues of up to US$12 billion by 2075.
These numbers deserve respect and scrutiny in equal measure. Forty million dollars is a genuine result for a pioneering project in a country that had no blue carbon market a decade ago. It shows that international buyers will pay for coastal carbon from Pakistan. Yet the 2075 figure is a long-range model resting on assumptions about prices, volumes, and uninterrupted protection for half a century. It is a planning scenario, not a forecast, and should be presented as such.
The Arithmetic of Ambition
Place the carbon revenue beside the national target and the scale gap is clear. If the blue economy is to reach US$100 billion by 2047, it must grow by something like US$4 to 5 billion a year on average over the next two decades. Even at the top of the official range, US$50 million of annual carbon income would be about one percent of that annual growth. Cumulative sales to date equal roughly 0.04 percent of the 2047 goal. This is not a criticism of the project. It is a reminder of what carbon finance is for. The bulk of the blue economy will come from shipping, port services, fisheries and aquaculture, ship repair and recycling, energy, and tourism. Carbon credits are best understood as a way of financing the protection of natural capital that underpins those sectors, not as a substitute for them.
Why mangroves are worth more than their carbon?
The scientific case for mangroves is strong. They are among the most carbon-rich forests in the tropics, with ecosystem stocks that can exceed 1,000 tons of carbon per hectare. When they are cleared or drained, that carbon is released: global conversion and degradation of vegetated coastal ecosystems has been estimated to emit up to a billion tons of carbon dioxide a year, with economic damages of US$6 billion to US$42 billion annually. However, blue economy specialists increasingly argue that carbon is often the smaller part of the value. Mangroves shelter fish nurseries, trap sediment, and buffer storm surges. A global study found that they protect more than 15 million people a year from flooding and avoid over US$65 billion in property damage. Research in the Gulf of California found that mangrove fringes supported fishery yields worth tens of thousands of dollars per hectare each year.
For Pakistan, whose 2022 floods caused combined damages and losses assessed at over US$30 billion, resilience is not an abstract benefit. The practical implication is that investment decisions should weigh fisheries, coastal protection, and livelihoods alongside carbon revenue. A mangrove hectare that earns modest credits but sustains a fishing village may be worth far more to the economy than the credit price suggests.
The limits of the carbon market
Carbon finance has well-documented constraints. Transaction costs are high, because projects must measure, report, and verify carbon over decades. Credits are sold only after verification, so cash arrives late. Demand for blue carbon is still thin, and buyers have become more demanding about quality after criticism that some offsets overstate their climate benefits. Studies of market-based finance for coastal ecosystems conclude that uncertain tenure, small project size, and limited buyers are among the main barriers. Restoration is also expensive and uncertain. Reviews of marine restoration find that costs vary enormously and survival rates are often low, particularly where the original drivers of loss, such as reduced freshwater flows, grazing, and encroachment, remain unaddressed. This is why economists tend to favor protecting existing mangroves over planting new ones: avoided loss is cheaper per ton and more certain than new growth.
Who shares the gains?
The development test of blue carbon is distributional. Coastal communities in Sindh and Balochistan are among the country’s poorest, and they use mangroves for fishing, fuel, and fodder. If carbon rights and revenues flow mainly to the state and investors, households may lose access without compensation, which would turn a climate success into a local grievance. Research on global blue carbon projects finds that successful ones combine secure tenure, genuine community participation, and long-term financing. In practical terms, that means published benefit-sharing arrangements, a transparent account of credits sold and prices received, and a clear community share. Today, public statements highlight total sales but rarely show the revenue split or how much reaches fishing households. Until that information is published, claims of poverty reduction remain unproven.
From Carbon Income to Blended Finance
The most credible path is a blended one. Carbon revenue can cover part of the cost of patrolling, monitoring, and community programs. Public budgets, concessional climate finance, and development partners can fund restoration and enforcement. Insurance and disaster-risk instruments can recognize the avoided-damage value of healthy coasts. Ports, shipping, and fisheries firms that depend on a stable coast can contribute through levies or partnerships. Transparent governance would make this mix more attractive to lenders and buyers alike. Skills are the often-forgotten input. Measuring carbon, running remote-sensing analysis, auditing credits, and managing community programs require trained people. In 2026 the government has signaled interest in ocean awareness in schools, scholarships for coastal children through a maritime education fund, and an upgraded Pakistan Marine Academy. These steps matter because the share of blue carbon value captured at home depends on local expertise. Without it, the country risks paying foreign consultants for work its own graduates could do.
What policymakers should do?
First, publish the data: credits issued, retired and sold, average prices, costs, and the share reaching communities. Second, protect existing mangroves from encroachment, since that is the cheapest climate and economic gain on offer. Third, legislate community rights and benefit-sharing before expanding credit sales. Fourth, integrate blue carbon into national climate commitments and development planning so that it attracts concessional finance. Fifth, invest in the skills pipeline that will let Pakistanis, not only foreign firms, run the monitoring and verification.
A tool, not a miracle
So can mangroves fund Pakistan’s blue economy? Not on their own. Carbon credits can finance the protection of a valuable natural asset and offer a template for a new revenue stream. They cannot replace investment in ports, fisheries, and skills, and they will not reach the US$100 billion target by themselves.
What they can do is keep the foundation intact. A blue economy built on degraded coasts would be more exposed to storms, poorer in fish, and costlier to insure. Protecting the Indus Delta is therefore less a side project of climate policy than a precondition of sound economic planning. The sale of carbon is the means. Saving the coast, and ensuring those who live on it share in the gains, is the end.
The author is MD IRP /Faculty department of H&SS- Bahria University Karachi