How to Disclose
Find step-by-step instructions to disclose through CDP in 2026, plus guidance and scoring materials for corporates, SMEs, cities, and states and regions.
How to disclose: step-by-step
Switch between the tabs below to find tailored steps to disclose.
Prepare to disclose now
Explore our 2026 questionnaires, guidance and scoring methodologies (as these are published) in the CDP Portal. Export these into a simple PDF format based on your sector and the themes you're disclosing on.
CDP Disclosure and scoring materials
Switch between the tabs below to explore our disclosure and scoring materials for disclosing companies, SMEs, cities, states and regions*.
You can also explore our questionnaires, guidance and scoring methodologies in the CDP Portal (as these are published), and export these into a simple PDF format based on your sector and the themes you're disclosing on.
Legacy (2025) versions of some materials are available, if you wish to refer to these.
Companies
CDP Full Corporate Questionnaire Overview 2026
Learn more about the structure of the full corporate questionnaire, the environmental issues covered, the sectoral approach, and more.
Glossary for CDP Full Corporate Questionnaire 2026
See a summary of the terms used throughout the CDP full corporate questionnaire in 2026.
CDP Corporate Questionnaire Setup Preview 2026
The ‘questionnaire setup’ is part of corporate disclosers’ onboarding process on the CDP platform. It allows us to customize the CDP questionnaire to be relevant to your organization.
CDP Questionnaire Changes Tracker 2026
See the changes to CDP’s disclosure framework in 2026 compared to 2025, as well as information on framework alignment, copy forward, and questionnaire pathways.
Version Control Tables: CDP Corporate Questionnaires and Scoring Methodologies Updates 2026
See details of updates to the CDP corporate questionnaires, reporting guidance and scoring methodologies following their initial publication.
CDP Industry Impact Classification 2026
Learn more about CDP's industry impact classification relating to forests and water security, through which CDP selects organizations to respond to datapoints on forests and/or water security.
Mapping IFRS S2 to CDP’s 2026 Questionnaire
Learn more about how CDP’s questionnaire is aligned with the International Sustainability Standards Board’s IFRS S2.
Mapping GRI 102 and GRI 103 to the CDP's 2026 Questionnaire
Explore the mapping of GRI 102: Climate Change and GRI 103: Energy Standards to CDP’s question bank.
Mapping the TNFD Disclosure Recommendations to the CDP Questionnaire
Explore the mapping of the CDP 2026 questionnaire to the TNFD disclosure recommendations and disclosure metrics at a granular level.
High-Level Mapping Between the TNFD Disclosure Recommendations and CDP's 2026 Questionnaire
Explore a high-level mapping of the CDP 2026 questionnaire to the TNFD disclosure recommendations and vice versa.
CDP’s Activity Classification System (CDP-ACS) 2026
Learn how CDP allocates sector-specific questions to organizations using its own Activity Classification System. CDP-ACS is a three-tiered system comprised of Activity, Activity Group and Industry.
SMEs
SME Questionnaire Overview 2026
Learn more about the structure of the SME questionnaire, the environmental issues covered, as well as high-level guidance for disclosers to facilitate consistent and accurate reporting.
Glossary for CDP SME Questionnaire 2026
See a summary of the terms used throughout the CDP SME questionnaire in 2026.
CDP Questionnaire Changes Tracker 2026
See the changes to CDP’s disclosure framework in 2026 compared to 2025, as well as information on framework alignment, copy forward, and questionnaire pathways.
Cities
CDP-ICLEI Track Cities Questionnaire Overview 2026
Get an overview of the 2026 questionnaire including key changes.
Glossary for CDP-ICLEI Track and States & Regions Questionnaires 2026
See a summary of the terms used throughout the CDP-ICLEI Track and States & Regions questionnaires in 2026.
Guidance Note on the TCFD Recommendations for City, State and Regional Governments
States and Regions
CDP States & Regions Questionnaire Overview 2026
Get an overview of the 2026 questionnaire including key changes.
Glossary for CDP-ICLEI Track and States & Regions Questionnaires 2026
See a summary of the terms used throughout the CDP-ICLEI Track and States & Regions questionnaires in 2026.
Guidance Note on the TCFD Recommendations for City, State and Regional Governments
* Please note, these documents are subject to updates. Going forward, please check that you have the latest version as displayed here on the CDP website.
Prepare to disclose now
Explore our 2026 questionnaires, guidance and scoring methodologies (as these are published) in the CDP Portal. Export these into a simple PDF format based on your sector and the themes you're disclosing on.
Technical notes
CDP Technical Note on Reporting Commodity Volumes
CDP Technical Note on Climate Transition Plans
CDP Technical Note on Biofuels
CDP Technical Note on EU Taxonomy
CDP Technical Note on Portfolio Impact Metrics
CDP Technical Note on Deforestation and Conversion-free (DCF) Implementation
CDP Technical Note on Plastics
CDP Technical Note on Accounting of Scope 2 Emissions
CDP Technical Note on Retirement vs Cancellation of Instruments
CDP Technical Note on Conversion of Fuel Data to MWh
CDP Technical Note on Countries, Areas and Regions Guidance
CDP Technical Note on Fuel Definitions
CDP Technical Note on Guidance for Companies with Coal Reserves
CDP Technical Note on Scope 3 Category 11 Guidance Coal
CDP Technical Note on Scope 3 Category 11 Guidance Oil Gas
CDP Technical Note on Special Conditions for Scope 1 Emissions
CDP Technical Note on Emissions Intensity of Transport
CDP Technical Note on Scenario Analysis
CDP Technical Note on Restatements
CDP Technical Note on Task Force on Climate-related Disclosures (TCFD)
CDP Technical Note on Water Accounting Definitions
CDP Technical Note on Units of Measure Conversions
CDP Technical Note on Carbon Pricing
CDP Technical Note on Scope 3 Relevance by Sector
CDP Technical Note on Transition Plan Taskforce (TPT)
CDP Technical Note on Internal Water Price
CDP Technical Note on Financial Services Transition Plans and Net Zero Commitments
Learn more

Disclosure 2026
Find the latest information, key dates and guidance throughout the 2026 disclosure cycle.

About CDP
CDP runs the world’s only independent environmental disclosure system with unparalleled depth and breadth across regions, sectors and environmental issues.

Why disclose?
Disclosing through CDP puts the right data in the hands of those who can make changes the planet and economy need.

Alignment with disclosure frameworks and standards
By bringing frameworks and standards together in one questionnaire, we simplify the process and make it easier to share information back to the market in one dataset.
Further support and services

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