China's national voluntary greenhouse gas reduction trading system saw 145,348 tonnes of certified emission reductions change hands on Aug 25, with a total transaction value of 14.03 million yuan ($2.07 million) and an average price of 96.55 yuan/t, according to exchange data. Cumulative trading volume reached 21.29 million tonnes with a total value of 1.70 billion yuan as of Aug 25, 2026.