MethodologiesRainbow issues science-driven carbon credits, signifying that CO₂ has either been prevented from entering the atmosphere or actively removed from it. 
But we go beyond carbon. Our methodologies also ensure that projects deliver additional positive environmental and social benefits, without instigating any adverse effects.Each project is validated through a rigorous, transparent scientific evaluation and quantification.

By continuously updating and openly sharing our methodologies, we aim to ensure project integrity without creating friction. This gives developers and buyers the clarity and confidence they need to succeed.MethodologiesRegistryDocumentation

Allavoidanceremoval

• Battery Second LifeAvoidance
• Biobased Construction MaterialsRemoval, Avoidance
• Biogas from Anaerobic DigestionAvoidance
• Biomass Carbon Removal and StorageRemoval, Avoidance
• Enhanced Rock Weathering—
• Mineralization of Alkaline Materials (Ex Situ)—
• Refurbishing of Electronic DevicesAvoidance

4 Projects

Overall available credits3542tCO₂eqOverall forecasted delivery79226tCO₂eqLast update27 January 2025

Allavoidanceremoval

• Battery Second LifeAvoidanceRead more
• Biobased Construction MaterialsRemoval, AvoidanceRead more
• Biogas from Anaerobic DigestionAvoidanceRead more
• Biomass Carbon Removal and StorageRemoval, AvoidanceRead more
• Enhanced Rock Weathering—Read more
• Mineralization of Alkaline Materials (Ex Situ)—Read more
• Refurbishing of Electronic DevicesAvoidanceRead more

Our registryThe Rainbow registry is a public ledger for carbon credits issued under the Rainbow Standard. It ensures full transparency on certified projects and credits, tracks carbon credits throughout their lifecycle, and connects projects with resellers to facilitate transactionsGo to registry