Public consultations

Explore the results of our public consultations, including feedback summaries and responses that drive improvements in our standards and methodologies.

Open public consultations

Public consultations are open for a minimum of 30 days. All relevant details can be accessed here with the results of these consultations.

The Enhanced Rock Weathering methodology is open for public consultation, from April 3rd to May 5th, 2025.

🔍 Provide your feedback here!

The Alkaline material carbonation methodology is open for public consultation until at least July 23rd 2025. 🔍 Provide your feedback here!

Would you like to be notified of future consultations? Please contact us.

Closed public consultations

Document	Start date	Closing date	Useful links
Battery second life v1.0	04/12/2024	06/01/2025	Responses to comments
Biomass Carbon Removal Storage v1.0	12/09/24	12/10/24	Responses to comments
Biogas from anaerobic digestion v3.0	27/05/24	28/06/24	Responses to comments
Electronic device refurbishing v2.0	23/04/24	24/05/24	Responses to comments
Rainbow Standard Rules v6	12/03/24	12/04/24	Responses to comments
Biobased Construction Materials Methodology v2.0	24/01/24	01/03/24	Watch the webinar Responses to comments
Rainbow Standard Rules for European Greentechs v5	01/02/23	08/03/23	Watch the webinar Responses to comments

Access all archived versions of Rainbow Standard Documents and methodologies here 👇

Archived documents