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Physical Climate Risk

Glossary Term • Intermediate • 1 min read

Audience
Investment Committees • Lenders • Sustainability Officers
Last Reviewed
July 2026
Updated
Version 1.0

Executive Summary

Physical climate risk is the direct financial risk that climate hazards, whether sudden events or gradual change, pose to physical assets, operations, or supply chains. It is conventionally split into acute physical risk, event-driven disruption such as a flood or storm, and chronic physical risk, gradual change such as rising average temperature or sea level, since the two carry different timing, probability, and mitigation characteristics.

Key Takeaways

  • ✓ Physical climate risk is the direct financial risk that climate hazards pose to physical assets, operations, or supply chains, distinct from transition risk, which arises from the economic shift toward a lower-carbon state rather than from physical hazard exposure itself.
  • ✓ Acute physical risk is event-driven disruption, a flood, storm, or wildfire, while chronic physical risk is gradual change, rising average temperature, changing precipitation patterns, or sea level rise, and the two should be assessed and mitigated separately.
  • ✓ Physical risk quantification depends on exposure mapping, identifying which specific assets or positions are exposed to which hazard, before any loss can be estimated credibly.
  • ✓ Physical risk is typically modelled through scenario-based loss estimation rather than a single point estimate, reflecting genuine uncertainty across plausible future climate pathways.

Definition

Physical climate risk is the direct financial risk that climate hazards, whether sudden events or gradual change, pose to physical assets, operations, or supply chains.

Acute Versus Chronic Risk

Physical risk is conventionally split into acute physical risk, event-driven disruption such as a flood, storm, or wildfire, and chronic physical risk, gradual change such as rising average temperature, changing precipitation patterns, or sea level rise. The two carry different timing, probability, and mitigation characteristics, physical resilience investment typically addresses acute risk, while long-term relocation or redesign typically addresses chronic risk, and should be assessed and mitigated separately rather than blended into a single physical risk figure.

Why It Matters to the Financial Model

Physical risk quantification depends on exposure mapping, identifying which specific assets or positions are exposed to which hazard, as the necessary foundation before any loss can be estimated credibly. See Climate Risk Financial Models for the full scenario-based loss estimation methodology this term feeds into.

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Frequently Asked Questions

What is physical climate risk?

The direct financial risk that climate hazards, whether sudden events or gradual change, pose to physical assets, operations, or supply chains, distinct from transition risk, which arises from the economic shift toward a lower-carbon state.

What is the difference between acute and chronic physical risk?

Acute physical risk is event-driven disruption, such as a flood, storm, or wildfire, while chronic physical risk is gradual change, such as rising average temperature, changing precipitation patterns, or sea level rise — the two carry different timing, probability, and mitigation characteristics and should be assessed separately.

How is physical climate risk typically quantified?

Through exposure mapping, identifying which specific assets or positions are exposed to which hazard, followed by scenario-based loss estimation across multiple internally consistent climate scenarios, rather than a single point-estimate loss figure.

How does physical risk differ from transition risk?

Physical risk arises from direct exposure to climate hazards themselves, while transition risk arises from the economic and policy shift toward a lower-carbon state, a materially different risk channel even though both are components of overall climate risk.

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Climate Finance & Climate Financial Modelling

Climate finance is the mobilisation and allocation of capital toward mitigation, adaptation, and transition activity, and climate financial modelling is the discipline of representing that activity's cash flows, risk, and concessionality in a financial model. This page is the hub for the Knowledge Centre's climate finance content: how sustainable, green, and transition finance are distinct but related capital allocation frames, how a climate investment model differs from a standard project or corporate model in its treatment of concessional capital and additionality, how physical and transition climate risk are quantified at portfolio and entity level, and how carbon markets, climate-sector investment, and institutional governance practice build on these foundations as this domain expands.

Climate Risk Financial Models

Climate risk financial modelling quantifies physical and transition climate risk at entity or portfolio level using a defined scenario framework, distinct from adjusting a single valuation's discount rate or cash flows. This guide covers exposure mapping, scenario-based loss estimation, and how a portfolio-level climate risk model differs in scope and purpose from the single-valuation climate risk adjustment already covered elsewhere in this Knowledge Centre.

Transition Risk

Transition risk is the financial risk an entity or asset carries from adapting to policy, regulatory, and market shifts as an economy moves toward a lower-carbon state, carbon pricing, changing demand for carbon-intensive products, and stranded asset risk among its principal channels. It is distinct from physical climate risk, which arises from direct exposure to climate hazards rather than from the economic transition itself.
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