Data from the national greenhouse gas voluntary emission reduction trading system showed that 47,030 tonnes of certified emission reductions changed hands on Sep 1, with a turnover of 4.52 million yuan ($0.66 million) and an average price of 96.20 yuan/t. As of Sep 1, 2026, cumulative trading volume in China's voluntary carbon market reached 21.75 million tonnes, with cumulative turnover of 1.74 billion yuan.