01 · Market atlas
Open full atlas →The voluntary carbon market, mapped.
- 11,659
- projects tracked
- 2.82bn t
- issued
- 1.59bn t
- retired · 56%
- 1.23bn t
- still tradable
Research & sources · Showcase
Open research behind every number.
A publicly funded project by XU and GDTQ. The market we map, the papers we publish, and the sources every figure traces back to.
Peer-reviewed · AKWI 2026Funded by ZIM
Market pulseChange over the trailing 24 months · illustrative sample data
Projects tracked11,659
+24% 2Y
Credits issued2.82bn t
+13% 2Y
Credits retired1.59bn t
+29% 2Y
Median price, all categories€••.••
−7% 2Y
02 · Publications
All documents →Published, reviewed, citable.
AKWI 2026
Peer-reviewed paper
QAVCM: A Quantitative Aggregation and Analytics Platform for the Fragmented Voluntary Carbon Market
Arbeitskreis Wirtschaftsinformatik an Hochschulen · 2026 · p. 387“How can an issuer-independent platform aggregate and analyse fragmented VCM certificate data across exchanges to support transparent, cost-efficient procurement for institutional buyers?”
03 · Data sourcesProvenance →
- Berkeley VROD
- CarbonPlan
- CAD Trust
- Carbonmark
- Regen Network
- Toucan · KlimaDAO
- EU ETS
04 · MethodsIn plain words →
- Canonical data model
- Fair value
- SHAP
- Anomaly detection
- Smart procurement routing
- Human in the loop