Carbon disclosure is a fiduciary problem, not a reputational one
Why this recipient benefits: Fiduciary-integrity framing neutralises climate-politics risk while producing the same market-design outcome — price discovery on quality. The restatement-risk exposure of corporate voluntary-credit buyers is a capital-markets integrity story Cherney's desk is uniquely positioned to report.
Why now: SEC climate rule post-stay litigation; FY26 proxy season.
The ask: Off-the-record briefing. We supply the CFO-exposure data, SEC substantiation analysis, and academic evaluator list.
The Journal's reader is the corporate-buyer, the allocator, and the CFO. These are the decision-makers most exposed to reputational and SEC-disclosure risk from low-quality offsets. A Journal op-ed reframes proof packs as fiduciary discipline rather than ESG positioning.
Dear Editor,
American corporations have retired more than 200 million tonnes of voluntary carbon credits over the past decade. Those retirements were accounted as climate progress against stated corporate targets. In 2023 and 2024, peer-reviewed research and investigative reporting established that a meaningful fraction of those tonnes did not represent real, additional, permanent emission reductions.
That is a disclosure problem, not an environmental one. If a tonne was paid for, retired, and reported, and the tonne did not exist, the retirement is a misstatement. In the current SEC rulemaking environment, that is a capital-markets question, not a sustainability one.
The voluntary carbon market has responded with integrity initiatives — the Integrity Council's Core Carbon Principles, the Voluntary Carbon Markets Integrity Initiative's claim codes, the Science Based Targets initiative's guidance. Each is useful. None of them changes the underlying fact: the per-tonne evidentiary record a corporate buyer receives is a registry serial number and a methodology document. Neither is auditable in the way a 10-K filing or a financial statement is auditable.
The fiduciary fix is a per-tonne evidentiary artefact that an auditor can inspect. A paper in January's npj Climate Action by Christopher Reinhard (Georgia Tech) and Noah Planavsky (Yale) argued for exactly that: open data on methodology, open data on the dollar-per-ton cost stack, and an independent verification pathway for every tonne. Trellison Institute has been operationalising that argument as a signed record we call a proof pack.
The proof pack is not a new registry. It is a layer that any existing registry — Verra, Gold Standard, the American Carbon Registry, CAR, Puro, Isometric — can adopt to extend their per-credit metadata. Corporate buyers can require it in procurement terms. Auditors can verify against it. The SEC can reference it in disclosure expectations. Exchanges can tier it.
For the Journal reader, the value proposition is straightforward: if your company is retiring offsets, demanding proof-pack-equivalent disclosure is the cheapest insurance available against future restatement risk. If your company is selling offsets, producing proof-pack-equivalent disclosure is the cheapest way to differentiate on quality in a market that is commoditising downward.
We are not asking the Journal to endorse a specific instrument. We are arguing that the coverage frame should shift. This is a fiduciary and disclosure story now. It deserves to be reported with the rigour the Journal reserves for capital-markets integrity.
— Rob Stillwell
Director, Trellison Institute
[email protected]