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OSCAR Changelog

This changelog documents updates and revisions to the Open Standard Carbon Removal Agreement (OSCAR) and its companion Guidebook. As we receive and integrate community feedback, we will provide notes on what changed in each update.

February 2026​

Initial Release​

  • OSCAR Contract v1.0 — First public release of the Open Standard Carbon Removal Agreement

    • CDR-Specific Terms (Articles I–XVIII)
    • Boilerplate provisions (Article XIX, Signature Page)
    • Definitions (Schedule 1, Exhibits A–C)

  • OSCAR Guidebook v1.0 — Companion guidebook providing:

    • Background on CDR contracting and market context
    • Article-by-article commentary and guidance
    • Implementation guidance for practitioners
    • Lessons learned from early adopters

Have feedback or suggestions? Contact us at team@cdr.fyi to help improve OSCAR for all market participants.