Cross River State generated N31.56 billion in IGR in 2023. A properly designed forest carbon programme over its existing estate could yield between N64 billion and N192 billion every single year. Not through taxation. Not through borrowing. Through the trees already standing.
Let us be direct about something that is not getting enough attention in Nigerian policy circles. While state governments are locked in familiar debates about tax reform, FAAC allocations and infrastructure bonds, a global market worth over $2 billion annually and projected to hit $50 billion by 2030 is open, active and specifically designed to pay countries like Nigeria for assets we already own.
That market is the voluntary carbon market. And Nigeria, with its 4.9 million hectares of forest, 9,723 square kilometres of mangroves across the Niger Delta and 40 million households still cooking on firewood, has among the richest natural carbon endowments of any country on earth.
Delta State showed what is possible
In 2024, Delta State signed a 30-year agreement with Serendib Capital to restore mangroves and seagrass beds, with projected sequestration of 5.32 million tonnes of CO₂ per year and protection of 250,000 hectares. Lagos State followed by launching a programme to distribute 80 million improved cookstoves, targeting 1.2 billion tradeable carbon credits over the programme's lifetime.
These are not pilot projects. These are state governments recognising that their natural and demographic resources have measurable financial value in the global carbon economy, and acting on that recognition.
Most other states have done nothing.
The greatest underdeveloped natural resource in Nigeria today is not oil beneath the ground. It is the carbon stored above it.
What carbon credits actually mean for state revenue
The federal government's own Carbon Market Activation Policy, finalised in 2025, documents Nigeria's potential to generate between 87.2 and 124.7 million tonnes of CO₂ equivalent annually through carbon market activities, with a cumulative value of $736 million to $2.5 billion by 2030. ThisDay Live's April 2026 analysis assessed the long-term annual potential at $3 billion.
At the state level, the numbers are compelling. Rivers and Bayelsa states, sitting on 5,436 square kilometres of mangroves and some of Nigeria's worst gas flaring, could realistically generate between $80 million and $250 million annually from blue carbon and methane abatement projects. Akwa Ibom and Cross River have comparable potential from mangroves and forest conservation respectively. Even landlocked states with modest tree cover and large cooking populations can generate $10 million to $40 million per year from clean cookstove carbon programmes alone.
These are revenue streams that do not require taxing citizens more. They require governing natural assets better.
The clean cooking dividend goes beyond revenue
Indoor air pollution from traditional biomass cooking kills an estimated 95,000 Nigerians every year. Women and children bear the overwhelming burden. Distributing improved cookstoves reduces household fuel consumption by up to 52%, saving families an average of $96 per year, while simultaneously generating the verified emission reductions that carbon buyers will purchase. The state earns revenue. The household saves money. And women stop breathing smoke.
Revenue from cookstove carbon credits across Africa grew from $25 million in 2020 to $107 million in 2024. The trajectory is clear.
What needs to happen now
The federal architecture is in place. The National Carbon Market Framework was approved in 2025. The national carbon registry has been operational since 2024. Nigeria is formally eligible for multilateral climate finance from the Green Climate Fund, the African Development Bank and bilateral programmes from the EU, Germany and the United Kingdom.
What is missing is state-level political will and executive action. Specifically, states need to establish dedicated Green Finance Units reporting directly to the Governor, commission Carbon Asset Inventories of their natural resources, enact state-level legal frameworks that define ownership and revenue sharing, and issue Public-Private Partnership calls to the carbon developers who are actively seeking Nigerian partnerships right now.
The states that move in 2026 will capture the best partnerships, the most credible project pipelines and first-mover advantage in their ecological zones. The states that wait will watch others claim both the revenue and the credit.
Nigeria's governors have spent decades dealing with the consequences of oil dependency. Green finance will not replace oil revenue overnight. But it can begin building a second pillar of state income that does not answer to OPEC, does not dry up in a downturn and does not require a single additional naira of citizen taxation.
The forests are standing. The mangroves are there. The carbon market is open. The only thing required now is leadership.
This article is an excerpt from Dr. Ojobo's full policy paper, Green Finance as a Subnational Revenue Frontier: Why Nigeria's State Governments Must Urgently Unlock Carbon Credits, Forests, Methane Abatement and Clean Cooking Finance (June 2026). The complete paper includes state-by-state revenue projections, a twelve-step government roadmap and full data sources. Download the full paper (PDF). State governments seeking a briefing may contact the office.
Join the discussion on LinkedIn Read the follow-up: The Carbon Billions Back to Insights and Resources