Figure 2. Global state in retirement volumes within the voluntary carbon market in 2022, 2023 and 2024.
verified under recognised methodologies.61 Once verified, credits (tagged with a vintage, the year the underlying reduction or removal occurred) are issued and listed on registries making them available for trading. Buyers purchase and claim the environmental benefit, and once credits are retired, they are permanently removed from circulation to prevent double counting.62 t compared to prior practices. Within nature-based activities, this includes projects to atmosphere, coming from projects such as afforestation/reforestation and soil carbon which provides a breakdown of the market based on the types of carbon credit retired.