- Resources
Measure list 2025
List of CO2 reduction measures companies take.
- Resources
Questionnaire Other Influenceable Emissions (OIE)
Helps organisations assess whether OIE are relevant to them.
- Normative
Audit Days Table Version 4.0
This document is normative as of 17 February 2025.
- Research
Advancing Green Public Procurement in South Africa
IISD Report (2025).
- Normative
Inspiration list for independent experts, version 4.0
For independent experts conducting dialogues with certificate holders.
- Procedures
Procedure and criteria for independent experts
An organisation can add an independent expert to the pool.
- Normative
Conditions and Procedure for the Boundary Committee Version 4.0
- Normative
Transition arrangement Handbook 3.1 - Version 4.0
For the transition period from Handbook 3.1 to Handbook 4.0.
- Research
Improving energy and carbon management in construction
Martijn G. Rietbergen, Ivo J. Opstelten & Kornelis Blok.