Example
An independent reviewer may examine monitoring data and calculations for a reporting period.
The catch
The scope of a verification statement determines what was checked.
Related terms
Monitoring, Reporting, Audit trail, Calibration, Carbon neutral, Climate positive
In more depth
Verification, explained.
Verification is what turns a monitored result into an issuable claim, so its rigour sets the quality floor for every carbon credit. In crediting programmes, an accredited body plans its checks around risk, visits the site and traces a sample of readings through the calculations. The developer must close any findings before credits are issued. The statement then gives an opinion at a stated level of assurance, judged against a materiality threshold.
The economics matter here. Developers usually choose and pay their verifiers, which creates a structural conflict of interest. Accreditation, rotation rules and oversight by programmes are meant to contain it, and the ICVCM's Core Carbon Principles require independent third-party verification. Remote sensing and continuous data can add a second line of evidence that the verifier did not produce.
Keep the word precise. Verification checks reported results for a defined period. Approving a project's design before it runs is a separate step, and a verification statement certifies a company's overall environmental performance only if it says so. In EU consumer law, Directive (EU) 2024/825 requires claims about future environmental performance to rest on an implementation plan that an independent expert verifies regularly. When you cite a verification, say who verified what, for which period and to which standard.