Source Registry
Upstream Source Registry
The Cleantech Taxonomy v1.0 is built on four openly available institutional sources, each serving a different layer of the classification. This page tracks their versions, update cycles, and access points.
| # | Source | Role | Version | License | Update Cycle | Wiki Book |
|---|---|---|---|---|---|---|
| 01 | CPI Global Landscape of Climate Finance | Primary sector structure (9 sectors, mitigation + adaptation) | GLCF 2025 (July 2025) | CC BY-NC-SA 4.0 | Annual (July) | Book 01 (id=878) |
| 02 | EU Taxonomy for Sustainable Activities | Regulatory & finance eligibility crosswalk | 2026 draft revision (March 2026) | EU law (open) | Delegated acts (irregular) | Book 02 (id=879) |
| 03 | IEA Energy Technology Classification System | Energy sector depth — technology-level classification | ETP 2025 | Open (IEA) | Annual (ETP cycle) | Book 03 (id=880) |
| 04 | Climate Bonds Initiative Taxonomy | Bond/instrument eligibility — 50+ national taxonomies | Current (ongoing updates) | Open | Sector criteria updated rolling | Book 04 (id=881) |
| EXT | CTH Extensions | LATAM gaps — NbS, informal economy, EUDR supply chain | v1.0 (May 2026) | CC BY 4.0 | CTH-maintained | Book 07 (id=884) |
Monitoring
The origo-taxonomy-watcher.py script runs monthly on the CTH VPS (systemd timer: origo-watcher.timer) and checks all upstream URLs for content changes. Watch Reports are posted automatically to this book.
Access Points
- CPI: GLCF 2025 publication page
- EU Taxonomy: EU Taxonomy Compass
- IEA: ETP Clean Energy Technology Guide
- CBI: CBI Taxonomy page
Version History
| Date | Source | Event |
|---|---|---|
| 2026-05-26 | All | Cleantech Taxonomy v1.0 baseline — all 4 sources indexed |
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