Methodology changelog
Every change to the emission factor table, the methodology rules, and the API response shape. Versioned and dated.
We don't break methodology silently. Every change that moves a number gets a row here. If a
calculation_id you stored references a previous factor version, look it up by the methodology version string in your response.20264 changes
20255 changes
20243 changes
For current factor values and methodology rules, see the methodology page. For all external references, see the data sources catalogue.