VCS is an independent, non‐profit organization headquartered in Washington, DC.
We welcome all questions and feedback and will respond within two business days.
One Thomas Circle NW
Washington, DC 20005
For questions about the VCS
Tel: +1 202 480 2282
Verified Carbon Standard
The VCS Program is the world’s leading voluntary program for the certification of GHG emission reduction projects
California Offset Project Registry
The VCS Offset Project Registry (OPR) facilitates the participation of offset projects within the California cap-and-trade program