ISO and GHG Protocol advance joint product-level GHG accounting standard
The world of GHG accounting has long been characterised by a frustrating abundance of frameworks. While they are compatible in intent, they differ enough to make comparison challenging and expensive. A collaboration to alter that is gathering pace. In February 2026, the International Organization for Standardization (ISO) and the Greenhouse Gas (GHG) Protocol announced the participants for a newly constituted Joint Working Group (JWG), tasked with developing a unified product-level GHG accounting standard. The group was assembled from more than 450 applications across 50 countries; a level of interest that itself says something about the demand for clarity in the space. {Ed: We’d welcome even 45 volunteers for new specs! Anyone?}
The JWG builds on the partnership announced by ISO and GHG Protocol last September, bringing together the ISO 14067 standard and the GHG Protocol Product Life Cycle Accounting and Reporting Standard under joint governance. Separately, the GHG Protocol published a Phase 1 progress update on Scope 3 standard revisions at the end of March, signalling a broader harmonisation agenda.
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