On February 22, the "Chongqing Carbon Lecture Hall" carried out by the Chongqing Municipal Bureau of Ecology and Environment entered the Changshou Economic and Technological Development Zone to interpret the "dual carbon" policy for 37 enterprises included in the carbon market management in the zone, and answer the questions encountered by enterprises in the "double carbon" work, so as to further promote the green and low-carbon development of the park.