2021 will probably be remembered as the year when carbon finance emerged as a talking point among a wide range of industries…. the most liquid carbon credits exchange currently, the New York–based Xpansiv [market] CBL, shared a figure that made that clear: on May 7, CBL’s year-to-date carbon volume of more than 30 million tons of CO2 traded emissions was already approaching 2020’s full-year record of 31 million tons.