The Technical Advisory Committee (TAC) operates under PV Climate and Acorn and is a group of experts in community forestry, carbon quantification, remote sensing, GIS, socioeconomic impact monitoring, and other technical areas. The TAC advises the Plan Vivo secretariat on technical matters relating to project certification and ensures that PV Climate continues to apply scientific rigour to Plan Vivo projects. Plan Vivo always ensures that there is a public list of TAC members.