Voluntary Carbon Market
The integrity layer of the voluntary carbon market — credit vintages, retirement, buffer pools, corresponding adjustments and the Core Carbon Principles that separate high- from low-quality credits.
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The unit and the market 5
What a credit is, where it changes hands, and how it is finally used up.
What Are Carbon Credits? How They Work and What They CostA carbon credit is one verified tonne of CO2e reduced or removed, issued with a serial number then retired to…Carbon OffsetA carbon offset does not erase your emissions - it pays for an equivalent tonne to be cut or removed…Voluntary Carbon Market (VCM)The voluntary carbon market is where firms buy carbon credits by choice, not by law. How it differs from…Credit RetirementRetiring a carbon credit permanently cancels it so it can't be resold. Only a retired credit backs a climate…Credit VintageA carbon credit's vintage is the year its reduction actually happened — not when it was issued or retired.…
What makes a credit credible 3
The tests a tonne has to pass before anyone should count it.
Core Carbon Principles (ICVCM)The Core Carbon Principles (CCPs) are the ICVCM's ten benchmarks for high-integrity carbon credits. What they…Co-BenefitsCo-benefits are the social, health and environmental gains a climate action delivers beyond cutting emissions…LeakageLeakage is emissions shifted across a boundary, not cut - loggers move to the next valley, a plant relocates…
Paris Article 6 2
The state-level rules that stop one tonne being claimed twice.
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