A “carbon market” refers to any trading system through which countries, businesses, individuals, and other entities can buy or sell units of greenhouse gas emissions to meet their mandatory or voluntary emissions limits.

“碳市场”是指国家、企业、个人和其它实体能够购买和销售一定计量单位的温室气体排放以满足其义务或自愿排放限值的任何交易系统。