从碳市场建立的法律基础上看,碳交易市场可分为强制交易市场和自愿交易市场。如果一个国家或地区政府法律明确规定温室气体排放总量,并据此确定纳入减排规划中各企业的具体排放量,为了避免超额排放带来的经济处罚,那些排放配额不足的企业就需要向那些拥有多余配额的企业购买排放权,这种为了达到法律强制减排要求而产生的市场就称为强制交易市场。而基于社会责任、品牌建设、对未来环保政策变动等考虑,一些企业通过内部协议,相互约定温室气 Based on the legal foundation established by the carbon market, carbon trading markets can be divided into mandatory trading markets and voluntary trading markets. If the laws of a country or region clearly stipulate the total amount of greenhouse gas emissions and determine the specific emissions of all enterprises included in the emission reduction plan accordingly, in order to avoid the economic penalties caused by excess emissions, those enterprises that have insufficient emission quotas will need to Those companies that have excess quotas buy emission rights, a market that is created to meet legally mandated emission reductions and is called a forced exchange market. Based on social responsibility, brand building, changes in future environmental protection policies and other considerations, some companies through internal agreements, mutual agreement greenhouse gas