VCS Approved GHG Programs
To recognize credible work that has gone into developing GHG Programs around the world, the VCS Program has a process for recognizing GHG Programs that meet VCS criteria. GHG Programs must pass a gap analysis against the VCS in order to be approved.

The following programs are approved under the VCS:

UNFCCC Clean Development Mechanism

UNFCCC Joint Implementation

The Californian Climate Action Registry
The Californian Climate Action Registry is currently going through the approval process. Other GHG Programs can apply to the VCS to be approved.