Making Sense of the Voluntary Carbon Market: A Comparison of Carbon Offset Standards (March 2008)

WWF Germany
Anja Kollmuss (SEI-US), Helge Zink (Tricorona), Clifford Polycarp (SEI-US)

This report discusses the role of the voluntary carbon market and provides an overview of the most
important currently available carbon offset standards . It compares the following standards side-by-
side, outlining the most pertinent aspects of each:
• Clean Development Mechanism (CDM)
• Gold Standard (GS)
• Voluntary Carbon Standard (VCS)
• VER+
• The Voluntary Offset Standard (VOS)
• Chicago Climate Exchange (CCX)
• The Climate, Community & Biodiversity Standards (CCBS)
• Plan Vivo System
• ISO 14064-2
• WRI/WBCSD GHG Protocol for Project Accounting


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