Guides

Carbon accounting, explained properly

Vendor-neutral, standards-accurate guides to greenhouse-gas inventories — written for the consultants and sustainability teams whose numbers have to get past an auditor.

Supplier Emissions Data Collection: Scope 3 Guide (2026)

How to collect supplier emissions data for Scope 3 inventories: choose between PCF, allocated emissions, and activity data; design a questionnaire suppliers actually return; and keep the numbers audit-ready.
How to Build a GHG Inventory (ISO 14064-1): 7-Step Guide

Build a corporate greenhouse-gas inventory under ISO 14064-1:2018 in 7 steps — set boundaries, collect activity data, pick emission factors, calculate, set a base year, and assemble an audit-ready report.
GHG Inventory vs Verification: Key Differences (ISO 14064-1 & 14064-3)

GHG inventory vs verification: understand who does what, the key differences between ISO 14064-1 and ISO 14064-3, and when third-party verification is mandatory.
ISO 14064-1 vs GHG Protocol: Which Standard Do You Need?

Compare ISO 14064-1 and the GHG Protocol for corporate GHG inventories: how Scope 1-3 map to ISO categories, when to use each standard, and how to combine both in practice.