Safeguarding integrity of market-based cooperation under Article 6

This background paper with inputs from the Carbon Market Mechanism Working Group and technical experts reflects the evolution of methodological approaches for additionality determination and baseline setting to date and explores their robust application to inform international discussions in the context of baseline-and-credit approaches under Article 6 of the Paris Agreement. Environmental integrity is the key principle underpinning carbon markets. It is imperative to ensure credible and robust approaches for additionality determination and baseline setting.