Direct Answer
IFRS S1 sets general requirements for disclosing material information about sustainability-related risks and opportunities that are reasonably expected to affect an entity’s prospects. For physical climate risk, IFRS S1 matters because it defines the baseline disclosure discipline around materiality, connected information, reporting boundaries, time horizons, sources of estimation uncertainty, and decision-useful evidence. It works with IFRS S2, which supplies climate-specific requirements. For ClimaTwin, the practical value lies in organizing asset-level hazards, exposures, vulnerabilities, scenarios, financial effects, and adaptation assumptions into review-ready Climate Business Intelligence™.
How It Works
The six general requirements are:
- Materiality, including whether sustainability-related risks may affect enterprise value, cash flows, access to finance, or cost of capital.
- Connected information, including links between sustainability disclosures and financial statements.
- Reporting boundary and value-chain context, including assets, operations, suppliers, borrowers, insured properties, and infrastructure dependencies.
- Time horizons, including short-, medium-, and long-term effects on prospects.
- Data, assumptions, and estimation uncertainty, including model choices, scenario ranges, and limitations.
- Governance-ready documentation that supports review, update cadence, and internal controls.
ClimaTwin’s Climate Business Intelligence™ supports these requirements by connecting physical-risk evidence to financial consequence, adaptation priority, and source-traceable reporting inputs.
Limitations
IFRS S1 is not a physical climate risk methodology and is not limited to climate topics. It may be read with IFRS S2 when climate-specific disclosures are in scope. Applicability depends on jurisdictional adoption, company facts, materiality, internal controls, and professional judgment. ClimaTwin supports the evidence layer, but it does not present platform outputs as legal, accounting, assurance, or disclosure conclusions.
Frequently Asked Questions (FAQs)
- What does IFRS S1 require? It establishes general disclosure requirements for material sustainability-related risks and opportunities that could affect an entity’s prospects.
- How does IFRS S1 relate to IFRS S2? IFRS S2 provides climate-specific disclosure requirements and is designed to be used with IFRS S1.
- Why does IFRS S1 matter for physical climate risk? It provides the disclosure baseline for materiality, connected information, boundaries, time horizons, assumptions, and uncertainty.
- What evidence supports IFRS S1 workflows? Hazards, asset exposure, vulnerability, scenarios, financial effects, adaptation actions, assumptions, and limitations.
- How does ClimaTwin support IFRS S1 workflows? ClimaTwin translates physical-risk evidence into decision-ready inputs that reporting, finance, risk, and advisory teams can review.
Sources
- IFRS Foundation. (2023). IFRS S1 General Requirements for Disclosure of Sustainability-related Financial Information. https://www.ifrs.org/issued-standards/ifrs-sustainability-standards-navigator/ifrs-s1-general-requirements.html/content/dam/ifrs/publications/html-standards-issb/english/2023/issued/issbs1/.
- IFRS Foundation. (2023). IFRS S2 Climate-related Disclosures. https://www.ifrs.org/issued-standards/ifrs-sustainability-standards-navigator/ifrs-s2-climate-related-disclosures/.
- IFRS Foundation. (2023). ISSB issues inaugural global sustainability disclosure standards. https://www.ifrs.org/news-and-events/news/2023/06/issb-issues-ifrs-s1-ifrs-s2/.
Ready to get started? To learn how ClimaTwin can help you assess the physical and financial impacts of future weather and climate extremes on your infrastructure assets, capital programs, and investment portfolios, please visit www.climatwin.com today.
© 2026 ClimaTwin Corp. All rights reserved worldwide.
ClimaTwin® is a registered trademark of ClimaTwin Corp. The ClimaTwin logos, ClimaTwin Solutions™, Climate Business Intelligence™, Climate Financial Intelligence™, Climate Risk Intelligence™, Climate Value at Risk™, Future-proofing assets today for tomorrow’s climate extremes™ are trademarks of ClimaTwin Corp. All trademarks, service marks, and logos are protected by applicable laws and international treaties, and may not be used without prior written permission of ClimaTwin Corp.