Climate change has shifted decisively from a distant environmental concern to a material financial risk for banks across the world. In Ghana, this reality is already unfolding. Flooding in Accra and Kumasi, prolonged droughts affecting agriculture in the northern regions, coastal erosion, deforestation and pressures arising from the global energy transition are beginning to reshape credit risk, asset quality, operational resilience and long-term profitability within the banking sector.
For boards of directors, Chief Risk Officers and senior management of banks in Ghana, climate change is now widely recognised as one of the most significant emerging threats to financial stability. At the same time, it presents a strategic opportunity for banks to play a central role in building a more resilient and sustainable economy. This article highlights three key climate-related risk challenges confronting banks in Ghana and outlines what forward-looking institutions must do to respond effectively as set out in the Forth Ghana analysis.
Climate Risk in the Ghanaian Banking Context
Climate-related financial risks generally fall into two broad categories: physical risks and transition risks. Physical risks arise from climate events such as floods, droughts, extreme rainfall, heat stress and coastal erosion. In Ghana, these risks are increasingly evident through flood damage to homes, businesses and bank infrastructure; reduced agricultural output affecting agribusiness and SME loan portfolios; supply-chain disruptions; rising insurance claims and declining collateral values. Transition risks, on the other hand stem from Ghana’s gradual shift towards a more sustainable and lower-carbon economy. These include new environmental regulations, changing expectations of investors and international partners, global decarbonisation pressures on sectors such as mining, energy, oil and gas and agriculture as well as reputational and legal risks associated with financing environmentally harmful activities. Together, physical and transition risks cut across traditional banking risk categories, including credit, market, liquidity, operational and reputational risk.
Key Challenge 1: Assessing Climate Risk in a Complex Economy
The most immediate challenge facing banks in Ghana is the assessment of climate risk. Understanding how climate change affects a bank’s balance sheet is far from straightforward. Banks must assess the exposure of branch networks and data centres to extreme weather, the vulnerability of borrowers particularly SMEs and agribusinesses to climate shocks and the resilience of supply chains and key service providers. Critical questions arise: What happens to loan performance when floods destroy trading centres or farmlands? How should mortgage collateral be assessed in flood-prone or coastal zones? Are agricultural borrowers resilient to increasingly unpredictable rainfall patterns?
Transition risks pose even greater complexity. Banks must evaluate whether clients in sectors such as energy, mining, construction, manufacturing and agriculture have credible plans to adapt to tightening sustainability expectations and environmental regulation. Given these challenges, Ghanaian banks may need to adopt a phased and risk-based approach, prioritising high-risk sectors and large exposures rather than attempting to analyse entire portfolios simultaneously.
Key Challenge 2: Lack of Clear and Consistent Industry Standards
A second major challenge is the absence of fully harmonised industry standards for integrating climate risk into banking risk management. Although international frameworks from bodies such as the Basel Committee, the Network for Greening the Financial System (NGFS) and IFRS Sustainability Standards are emerging, practical implementation remains uneven. Many banks continue to struggle with how to quantify climate risks in credit assessment and stress testing which scenarios and metrics to apply, how to incorporate climate considerations into ICAAP and Pillar 2 processes and what level of disclosure is appropriate for regulators, investors and the public.
In Ghana, these challenges are compounded by data gaps, particularly at the SME and informal sector level, limited historical climate-financial data and evolving regulatory expectations. Strong governance is therefore essential. Effective climate risk management requires clear board oversight, defined management accountability and close coordination across risk, compliance, credit, sustainability and strategy functions. Without such governance, climate risk management risks becoming fragmented and ineffective.
Key Challenge 3: Skills and Capacity Gaps
The third critical challenge is the shortage of relevant skills and expertise. Climate risk sits at the intersection of financial risk management, environmental and climate science, data analytics, scenario modelling, regulation and sustainability reporting. Such combined expertise remains scarce, not only in Ghana but globally. Banks are therefore faced with difficult strategic choices: retraining existing risk and finance professionals, recruiting specialised climate or ESG experts or relying on external advisors in the short to medium term. While capacity building will take time, banks that invest early in skills development will be better positioned to meet regulatory expectations and manage future risks.
From Risk to Opportunity
Despite these challenges, climate change also presents a strategic opportunity for Ghana’s banking sector. Sustainable finance including green loans, sustainability-linked facilities, climate-resilient infrastructure financing and inclusive finance can support national development priorities, attract international capital, strengthen long-term portfolio resilience and enhance institutional reputation. Realising these opportunities, however, requires banks to overcome persistent barriers such as data limitations, evolving regulatory guidance and the absence of standardised methodologies.
Conclusion
Climate change is no longer a peripheral issue for banks in Ghana. It is a strategic, financial and governance challenge that directly affects resilience, profitability and long-term relevance. To respond effectively, banks must strengthen climate risk assessment, embed climate considerations into governance and strategy, invest in skills and systems and engage constructively with regulators, clients and development partners. Banks that act early will not only protect their balance sheets but also play a defining role in shaping a more resilient and sustainable Ghanaian economy.
About Forth Ghana
Forth Ghana is a consulting firm that partners with leaders in business, government and society to tackle complex challenges and unlock long-term value. We work at the intersection of strategy, people and organisation, risk, law, finance, technology and ESG – bringing clarity to uncertainty and practical solutions to execution.
Our work is grounded in deep local insight, global best practices and a delivery model that embeds experienced professionals directly within client teams. We focus on what matters most: helping organisations make better decisions, manage risk and deliver measurable outcomes.
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