China's national voluntary greenhouse gas emission reduction trading system saw 571,370 tonnes of certified emission reductions (CCER) change hands on Aug 4, with turnover reaching 53.95 million yuan ($7.95 million) at an average price of 94.42 yuan/t, exchange data showed. Cumulative trading volume in the national voluntary emission reduction market reached 18.74 million tonnes by Aug 4, 2026, with total turnover of 1.46 billion yuan, according to the system data.