Any methodology listed below may be used to develop projects under the VCS Program. Methodologies are listed by VCS sectoral scope.Modules and tools are listed in separate tables below the main methodology table.

Any methodology developed under the United Nations Clean Development Mechanismcan be used by projects and programs through VCS. The same is true for methodologies developed by the Climate Action Reserve,with the exception of their forest protocol.

The current and valid version of a methodology must always be used. From time to time, a methodology may be revised, withdrawn or put on hold. To learn about the grace periods that apply in such cases, see the main methodologies page.