Definition ISO14064 is an international standard developed by the International Organization for Standardization (ISO) that provides a framework for quantifying, monitoring, reporting, and verifying greenhouse gas (GHG) emissions and removals . It’s part of the ISO 14000 family of environmental management standards , which support sustainable and responsible environmental practices. Structure of ISO 14064 Standard Title Focus ISO 14064-1:2018 Specification with guidance at

Emission factors express the warming potential of greenhouse gases (GHGs) relative to carbon dioxide (CO₂) , usually known as Global Warming Potentials (GWPs) over a 100‑year period (GWP₁₀₀). The most recently adopted authoritative values come from the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6, 2021) — which many international and regional regulators (including the  EU ETS,  UK DEFRA, and  ISO 14064‑1:2018 updates) have begun using or r