Open for consultation - 1st October
Discussion paper on measurement of ocean-related issues

Provide feedback

The TNFD recognises that additional considerations are required when measuring nature-related dependencies, impacts, risks and opportunities in the ocean realm (ocean-related issues) as the basis for corporate assessments and disclosures. We are undertaking a consultation on assessment and disclosure of ocean-related issues with market participants and other interested stakeholders.

This discussion paper and the supporting consultation survey has three objectives:

  • To gather feedback on coverage of ocean nature-related issues in the TNFD’s guidance and how it can be improved;
  • To identify case studies of ocean nature-related issues and use cases of assessment and disclosure of these issues by corporates and financial institutions; and
  • To identify priorities for the market to improve the coverage, quality, consistency and comparability of measurement of ocean nature-related issues in assessments and disclosures by corporates and financial institutions, as well as the availability, relevance, timeliness, quality and coverage of the underlying datasets.

The TNFD will review all feedback and will consider it in potential updates to its additional guidance and case study library in 2026. The Taskforce welcomes feedback until 1 October 2025.

Key focus area

  • Identification and assessment of ocean nature-related issues.
  • Ocean-related metrics, guidance, tools and datasets.
  • Challenges measuring ocean-related issues.

Key outcomes

Shape the direction of future work by the TNFD on the ocean-related issues.

Provide feedback on how ocean-related issues are covered within the TNFD recommendations and additional guidance, including the TNFD metrics architecture and the LEAP approach.

Gain insights into the guidance, tools and datasets that currently exist for measuring ocean-related issues.

Provide feedback by October 1, 2025

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