What the WBCSD's New ISSB Guide Actually Tells Companies to Do

The practical message from the World Business Council for Sustainable Development's new guide is simple: investors do not expect perfect sustainability data. They expect honest explanations of how the data was built, where it falls short, and what will improve. That is the core finding of ISSB in Practice: Reporting Examples and Insights, which WBCSD launched in Geneva on 9 November 2026. The publication is the first practice-based synthesis of insights from the first year of mandatory reporting against ISSB standards, combining real-world company reporting examples, investor feedback and technical commentary. For any company facing its own first or second reporting cycle, the guide reframes the exercise. The goal is not to fill a template. It is to connect sustainability-related risks and opportunities with business strategy and financial performance, in language investors can actually use.

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