GHG Protocol published a Consultation of Scope 2 Guidance in October 2025.  The intent is to enable more accurate calculations, estimates and disclosures.  Douglas Hileman Consulting[1] offers some context and perspectives on why this is important – and why anyone involved in carbon accounting – or operations, compliance, sustainability or audit – should take notice. 

1. It’s (essentially) the law.
2. It’s another example of how “voluntary” Guidance become mandatory.
3. Consensus provides relief from regulations and B2B chaos.
4. The GHG Protocol creates expectations globally.

This is one in a series, including: The Good; Needs Improvement; and Still Missing. 

[1] The perspectives are mine alone, and do not reflect any client, former employer, or professional organization I have been involved with.

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