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Level 1 · Pillar guide 04·TNFD · Disclosure guides

Data quality, screening tools and value-chain evidence

TNFD work can start before the data is good — but not by presenting modelled information as measured fact. This subject grades evidence, states what each screening tool can support, prioritises upstream and downstream interfaces and keeps proxy origins visible as proxies.

What sits under this pillar 11 articles, 0 FAQ cards, 0 expert notes.
RK Published passportReviewed by Dr Ross Kurinko Strategic ESG Advisor · IFRS S1 & S2 / GRI / ESRS Current as at
GRI and ISSB-IFRS S1 & S2 Certified Global Trainer · PhD, University of Cambridge · ESG-AI expert 15+ years on FTSE 100 & Fortune Global 500 disclosures Canary Wharf, London LRA educational guidance · Not issued or endorsed by TNFD LinkedIn

Edition written against

TNFD Recommendations v1.0 (September 2023); related guidance as stated

Published

10 Aug 2026

Knowledge Hub guide

Last reviewed

10 Aug 2026

Level 2

Articles in this pillar

TNFD Data and Evidence Quality: Primary, Secondary, Proxy and Geospatial Information

A practical hierarchy, confidence method, metadata register and improvement roadmap for nature-related information

Decision guide · 7 min
TNFD Supplier Questionnaire: What Nature Data to Request Without Overburdening SMEs

A proportionate questionnaire model covering minimum fields, commodity and location priorities, evidence tiers, confidentiality, improvement plans and alignment with ESRS and GRI …

Decision guide · 13 min
ENCORE, IBAT and Aqueduct for TNFD: What Each Tool Can and Cannot Do

Screening uses, licences, data versions, resolution and the validation needed before a materiality conclusion

Decision guide · 7 min
TNFD Value Chain Assessment: Suppliers, Commodities, Traceability and Data Gaps

A phased approach to prioritising upstream and downstream interfaces without waiting for perfect origin data or treating proxies as verified locations

Decision guide · 10 min
TNFD Explained: Recommendations, LEAP, DIROs and How to Start Nature-Related Reporting

Voluntary recommendations, 14 disclosures, six general requirements, location-specific assessment and a first-year roadmap

Decision guide · 9 min
Common TNFD Reporting Mistakes Generic Nature Risk Missing Locations and Weak DIRO Logic

The most common TNFD reporting mistakes are not usually typographical; they are logic failures. Reports become weak when they copy climate disclosure …

Explainer · 6 min
TNFD Gap Assessment How to Test LEAP Data Governance and Disclosure Readiness

A TNFD gap assessment should test whether the organisation has a credible assessment process, not only whether a draft report mentions TNFD. …

Explainer · 6 min
TNFD LEAP Approach: A Step-by-Step Guide to Locate, Evaluate, Assess and Prepare

Scoping, 16 assessment components, phase outputs, teams, data, decision gates and links to TNFD disclosures

Decision guide · 10 min
TNFD Reporting Checklist and Free LEAP Deliverables Pack

A practical TNFD reporting pack should convert LEAP assessment work into controlled, disclosure-ready evidence. The minimum pack should include a scoping sheet, …

Explainer · 6 min
TNFD Location, Value Chain, Dependency, Impact and Evidence Registers

A package-level toolkit containing 01_Sensitive_Location_Assessment_Register.csv; 02_Geospatial_Data_and_Map_QA_Register.csv; 03_Value_Chain_Prioritisation_and_Traceability_Register.csv; 04_Nature_Dependency_Register.csv; 05_Nature_Impact_and_State_of_Nature_Register.csv; 06_Evidence_and_Control_Register.csv; 07_Update_Trigger_Register.csv, with 5 related Knowledge Hub guides.

Toolkit · 3 min
TNFD Tools, Data, Assurance and Portfolio Registers

A package-level toolkit containing LRA_TNFD_Tools_Data_Assurance_and_Portfolio_Registers.xlsx, with 5 related Knowledge Hub guides.

Toolkit · 3 min

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