GHG Protocol and ISO Are Harmonizing Standards — And GNFZ Is Built for What Comes Next
On July 29, the Greenhouse Gas Protocol (GHG Protocol) and the International Organization for Standardization (ISO) announced a historic convergence: They are merging their corporate carbon accounting frameworks into a single, harmonized global standard.
By bringing Scope 1, Scope 2, Scope 3, and the emerging Actions and Market Instruments (AMI) standard together with ISO 14064-1, this milestone — highlighted in the COP30 Action Agenda — marks a massive shift for corporate sustainability.
For years, organizations have had to navigate overlapping, sometimes conflicting frameworks. The convergence of two of the world's most widely used carbon standards promises three major benefits:
Less duplication across reporting bodies
Greater comparability across global markets
More time for organizations to focus on actual emissions reductions rather than reconciling different reporting formats
Alongside the harmonization announcement, the GHG Protocol released its Scope 2 public consultation findings—representing nearly 1,100 responses across 56 countries—as well as early feedback on the AMI framework’s proposed "multi-statement" model. This model aims to separate a company's carbon reporting into three distinct, transparent components:
Physical emissions
Market-based emissions
The GHG impact of actions and investments
Moving Beyond Carbon Accounting’s Blind Spot
This shift toward separating physical reality from market claims is precisely the direction the Global Network for Zero (GNFZ) was built to support.
From day one, GNFZ’s net zero certification has maintained a methodology across Energy, Emissions, Water, and Waste that aligns with the GHG Protocol and DEFRA standards. More importantly, our certification model has never allowed market instruments to obscure operational performance.
Under the GNFZ framework:
Physical energy and emissions performance is assessed and disclosed independently.
Market-based mechanisms (such as Renewable Energy Certificates or carbon offsets) are evaluated separately rather than netted directly against real-world, operational impact.
The "blind spot" that the GHG Protocol's new multi-statement consultation is moving to close — preventing market instruments from masking true physical emissions—has always been a foundational principle at GNFZ.
Designed for the Future of Decarbonization
Asset owners, facility operators, and REITs already navigating the GNFZ pathway are uniquely positioned for this new era. Because GNFZ’s reporting architecture was designed with this level of rigor from the start, our clients aren't scrambling to adapt to emerging global standards—their data and disclosures already speak this language.
As global carbon accounting continues to consolidate, certifications built on genuine operational rigor, rather than reporting convenience, will be the ones that hold their long-term value. GNFZ was designed specifically for this inflection point, and we remain dedicated to helping organizations stay ahead of the curve.
Interested in aligning your portfolio with the future of global carbon accounting? Learn more about the GNFZ's Net Zero Certifications or reach out to our team today.
