Sustainable finance cannot manage climate risk alone

Columbia research reframes climate finance around institutional limits

A new report from Columbia Center on Sustainable Investment argues that sustainable finance cannot deliver decarbonisation on its own. Financial institutions are being asked to produce outcomes they do not control. That misalignment creates confusion about what climate finance can achieve.

The report is titled “From Planetary Hazard to Financial Stability: Disentangling Climate Risk and Institutional Responsibility”. It makes a case for separating climate risk into distinct categories. Each category requires different institutions and policy tools.

For UK businesses, this matters because it clarifies where finance fits in the wider climate response. Consequently, it also highlights where government policy and operational change must lead. Financial commitments alone will not close the gap.

Six distinct policy responses to climate risk

The Columbia Center on Sustainable Investment distinguishes six separate responses to climate risk. These are mitigation, resilience, risk sharing, fiscal resilience, exposure management, and financial system stability. Each sits with different institutions.

Mitigation reduces the underlying hazard. It means cutting emissions at source. Resilience involves adapting infrastructure and operations to withstand climate impacts. Risk sharing spreads financial consequences across insurers and reinsurers.

Fiscal resilience refers to government capacity to absorb climate shocks without destabilising public finances. Exposure management limits financial institutions’ concentration of climate-vulnerable assets. Financial system stability ensures that climate shocks do not trigger cascading failures across banks and markets.

The report argues that climate risk is commonly conflated into one issue. In reality, it spans the planetary hazard itself, the economic damage that hazard causes, and the financial losses that follow. Conflating these layers obscures who is responsible for what.

According to the report, only mitigation reduces the underlying hazard. The other five responses manage consequences downstream. That distinction is central to understanding what financial institutions can and cannot deliver.

Private capital cannot deliver decarbonisation alone

The report challenges a widespread assumption in climate finance. That assumption is that private capital, if structured correctly, can solve decarbonisation on its own. The Columbia Center on Sustainable Investment says this expectation is misplaced.

Financial institutions can allocate capital and manage risk. However, they cannot independently control the emissions outcomes they are often expected to deliver. Those outcomes depend on government policy, infrastructure investment, regulatory frameworks, and technological deployment.

For example, a bank can finance renewable energy projects. Nevertheless, it cannot remove planning barriers, set carbon prices, or mandate grid upgrades. Those are government responsibilities. Without them, the pace and scale of decarbonisation remain constrained.

The report therefore argues that climate finance should be treated as one part of a broader policy architecture. Governments must handle structural barriers and create the transition conditions that allow decarbonisation to happen. Finance then supports and accelerates that transition.

This perspective aligns with emerging views in climate risk management. Effective responses require disclosure, emissions targets, credible transition strategies, and governance. Finance alone cannot substitute for any of these.

What this means for compliance and commercial strategy

UK businesses face growing climate disclosure requirements. These include mandatory climate-related financial disclosures for large companies and increasing expectations from lenders, insurers, and supply chain partners. The Columbia report clarifies what those disclosures should address.

Businesses cannot rely on financial mechanisms to deliver decarbonisation if the underlying conditions are absent. For instance, setting net-zero targets is not enough. Companies must identify how they will achieve reductions, what infrastructure they need, and where policy gaps create barriers.

This distinction matters for tender responses and supply chain due diligence. Public sector buyers increasingly expect suppliers to demonstrate credible transition plans. Those plans must go beyond financial commitments. They need operational detail, Scope 3 engagement, and evidence of governance.

Similarly, access to green finance depends on showing that emissions reductions are achievable. Lenders and investors assess whether a business can deliver on its climate commitments. If the plan depends on unavailable technology or absent infrastructure, it will not pass scrutiny.

The report also has implications for risk management. Businesses exposed to physical climate risks cannot fully transfer those risks through insurance or financial products. Resilience measures, such as adapting facilities or diversifying supply chains, remain necessary.

Furthermore, the separation of climate risk into distinct categories helps businesses allocate responsibility internally. Mitigation sits with operations and procurement. Resilience sits with facilities and supply chain management. Financial risk sits with treasury and finance teams. Each requires different skills and tools.

Columbia Climate School expands climate finance education

Alongside the report, Columbia Climate School has launched what it describes as the first Master of Science in Climate Finance in the United States. The program runs for one year and is delivered jointly with Columbia Business School.

The program reflects growing demand for professionals who understand both climate science and financial structures. It covers how climate risks are priced, how capital is allocated, and why some financial tools remain underused.

This expansion in education signals that climate finance is becoming a distinct professional field. For UK businesses, it suggests that hiring decisions may increasingly require climate finance literacy. Finance teams will need to assess climate risk, structure green financing, and interpret disclosure requirements.

The Columbia Center on Sustainable Investment says its climate and sustainable finance work examines how risks are priced and distributed. It also explores why some financial tools, such as green bonds or sustainability-linked loans, remain underused despite growing demand.

Core findings from the Columbia report

• Sustainable finance cannot deliver decarbonisation on its own because financial institutions do not control the emissions outcomes they are asked to produce.
• Climate risk spans three layers: the planetary hazard, the economic damage it causes, and the financial losses that follow.
• Only mitigation reduces the underlying hazard; other responses manage consequences downstream.
• Six distinct policy responses exist: mitigation, resilience, risk sharing, fiscal resilience, exposure management, and financial system stability.
• Each response requires different institutions and tools, and conflating them creates confusion about responsibility.
• Climate finance should be treated as part of a broader policy architecture, with governments handling structural barriers and transition conditions.

How UK businesses should respond

The Columbia report suggests businesses should separate their climate response into institutional categories. First, identify what your business controls directly. This includes operational emissions, procurement decisions, and facility resilience. These sit within your direct responsibility.

Second, identify what depends on external conditions. This includes grid decarbonisation, planning approvals, carbon pricing, and infrastructure availability. These require government action or industry coordination. Your role is to engage with policy development and plan for different scenarios.

Third, understand what financial tools can and cannot achieve. Green finance can accelerate projects that are already viable. It cannot substitute for operational change or remove structural barriers. Your transition plan must address both.

Businesses should also review their climate governance. Ensure responsibility for mitigation, resilience, and financial risk sits with the right teams. Each requires different expertise. Mitigation needs operational and technical input. Resilience needs facilities and supply chain management. Financial risk needs treasury and finance involvement.

For SMEs, this means focusing on what you control. Measure Scope 1 and Scope 2 emissions. Identify reduction opportunities in energy, transport, and waste. Engage suppliers on Scope 3. These actions build credibility and support access to green finance.

Additionally, businesses should engage with policy development. If your sector faces structural barriers to decarbonisation, make that clear in consultations. Government policy will shape the pace of transition. Your input can improve the conditions under which your business operates.

Finally, prepare for increased scrutiny. Investors, lenders, and supply chain partners will expect evidence that your climate commitments are achievable. That means showing operational plans, not just financial pledges. Our compliance support helps businesses meet disclosure requirements and structure credible transition strategies.

Policy architecture determines transition speed

The Columbia report emphasises that climate finance operates within a policy architecture. That architecture includes carbon pricing, planning regimes, grid investment, skills policy, and industrial strategy. Where that architecture is weak, finance cannot fill the gap.

For example, renewable energy deployment depends on grid capacity and planning approvals. A business can commit to sourcing renewable electricity. However, if the grid cannot accommodate new generation or planning rules delay projects, that commitment becomes difficult to fulfil.

Similarly, industrial decarbonisation depends on the availability of low-carbon fuels, carbon capture infrastructure, and equipment. A manufacturer can invest in efficiency. Nevertheless, deeper decarbonisation may require technologies that are not yet commercially available or lack supporting infrastructure.

This creates a timing risk for businesses. Climate targets are often set years ahead. However, the policy and infrastructure conditions needed to meet them may not materialise as expected. Businesses must therefore build flexibility into their plans and engage with policy development.

The report also highlights fiscal resilience as a government responsibility. Climate shocks can strain public finances. If governments lack fiscal capacity, they may struggle to fund adaptation or support affected communities. That in turn increases business risk, particularly for companies reliant on public infrastructure or government contracts.

Further reading and authoritative sources

The full report, “From Planetary Hazard to Financial Stability: Disentangling Climate Risk and Institutional Responsibility”, is available from the Columbia Center on Sustainable Investment. It provides detailed analysis of each policy response and the institutions responsible for delivering them.

For UK businesses, the Department for Energy Security and Net Zero publishes guidance on carbon reporting and net-zero policy. The Environment Agency provides regulatory guidance on emissions and environmental permits. The British Standards Institution offers standards for carbon management and environmental management systems.

Our net-zero program for carbon reporting compliance supports businesses in measuring emissions, setting targets, and meeting disclosure requirements. We also offer training through the SBS Academy on Scope 3 emissions, supply chain engagement, and climate governance.