A curated reference desk, reviewed 12 November 2026. Each note explains what a source can—and cannot—establish.
ICVCM’s assessment framework is a useful starting point for understanding governance, impact and safeguards. The current status table should be checked for the program and relevant methodology. It does not replace project due diligence.
[1] ICVCM [2] ICVCMThe Gold Standard registry records issuance, transfers and retirement. Review project records and serial-number evidence; a general description of a registry is not proof of a specific transaction.
[4] Gold StandardThe VCMI library lists a Claims Code dated 23 September 2026 (v3.2). Review the current document and its requirements before preparing a corporate claim. A planner budget is not a carbon-integrity claim.
[5] VCMIThe UNFCCC Article 6.2 reference manual explains the accounting of authorised transfers. Applicability depends on the transaction and intended use; voluntary purchase alone does not establish authorisation or a corresponding adjustment.
[6] UNFCCCQuality benchmark covering governance, emissions impact and safeguards.
Undated; reviewed 12 Nov 2026 · Primary sourceProgram eligibility and methodology approval are distinct checks.
Table updated 27 Oct 2026; reviewed 12 Nov · Primary sourceOne VCU represents one tonne of CO₂ equivalent reduced or removed.
Undated; reviewed 12 Nov 2026 · Primary sourcePublic records support credit lifecycle traceability.
Updated 10 Jul 2026 · Primary sourceUse the current Claims Code; the index lists version 3.2 dated 23 Sep 2026.
Live index; reviewed 12 Nov 2026 · Primary sourceAuthorised international transfers require appropriate accounting, including corresponding adjustments.
2025; reviewed 12 Nov 2026 · Primary sourceCorporate carbon strategy and buyer learning resources.
Undated; reviewed 12 Nov 2026 · Primary sourceCarbon market infrastructure, exchange access and removal registry.
Undated; reviewed 12 Nov 2026 · Primary sourceStructured procurement, supplier workflows and market intelligence.
Undated; reviewed 12 Nov 2026 · Primary sourceNo live price feed, market-size forecast or project recommendation is presented. Corporate descriptions reflect the linked organisations’ own public materials. Source pages can change after review.