Data from the National Greenhouse Gas Voluntary Emission Reduction Trading System shows that on September 15, the trading volume of certified voluntary emission reductions was 310,000 tonnes, with a turnover of 29.20 million yuan ($4.32 million), and an average trading price of 94.20 yuan/tonne. As of September 15, 2026, the cumulative trading volume of the national greenhouse gas voluntary emission reduction trading market was 22.72 million tonnes, with a cumulative turnover of 1.83 billion yuan.