Shanghai Environment and Energy Exchange data showed China's national carbon emission allowance (CEA) prices edged higher on Jul 21, with the benchmark closing at 90.54 yuan/t, up 0.43% from the previous day. The market saw total trading volume of 244,195 tonnes, with a total turnover of 22.08 million yuan. Listed contracts accounted for 144,195 tonnes worth 13.06 million yuan, while bulk contracts traded 100,000 tonnes valued at 9.03 million yuan. No one-way bidding was conducted.