IFRS S1 and IFRS S2 are actually quite different standards issued by the International Accounting Standards Board (IASB). Here's a breakdown:
First of all, to prevent confusion, there are IFRS (International Financial Reporting Standards) on Sustainability: S1 and S2. The IFRS-S are then followed by ESG standards, which are lettered & numbered by topic. Here we will cover IFRS S2: Climate-related disclosures. For the other standard, refer to the article on IFRS S1: General Requirements for Disclosure of Sustainability-related Financial Information.
IFRS S2 part of a new set of sustainability reporting standards developed by the International Sustainability Standards Board (ISSB). IFRS S2 specifically focuses on providing a common framework for companies to disclose information about their climate-related risks and opportunities.
In a nutshell, we can see IFRS S2 as the tip of the iceberg for CSRD. It focuses specifically on climate stuff first, giving companies a heads-up on what kind of sustainability reporting is expected under the bigger CSRD umbrella. Think of it as a mini-test to get everyone ready for the full sustainability reporting rollout.
How does IFRS S2 fit into the broader objectives of ISSB?
Important to know about IFRS S2:
Further reading