Data from the National Greenhouse Gas Voluntary Emission Reduction Trading System shows that on September 21, the trading volume of certified voluntary emission reductions was 126,605 tonnes, with a turnover of 12.02 million yuan ($1.78 million), and an average trading price of 94.92 yuan/tonne. As of September 21, 2026, the cumulative trading volume of the national greenhouse gas voluntary emission reduction trading market was 23.24 million tonnes, with a cumulative turnover of 1.88 billion yuan.