VCS Methodologies 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

California Climate Action Registry