全球各单一碳市场的广泛建立和《巴黎协定》“自下而上”的减排合作机制为全球碳市场连接提供了现实需求和制度支撑。本文梳理了碳市场连接的形式和现状，从地理邻近性、经济可行性、政治可行性、气候政策差异、环境完整性5个方面探究了碳市场连接的现实挑战，并针对现实挑战提出对策建议，以推动碳市场的顺利连接、保障连接市场的有效运行。本文建议为碳市场连接提供支持性政治环境，开展分阶段碳市场连接，加强碳市场制度体系协调，突破碳市场连接的法律限制，确保连接后的环境完整性。
The widespread establishment of individual carbon markets worldwide，combined with the “bottom-up” emission reduction cooperation mechanism under the Paris Agreement，creates both a practical demand and institutional support for the linking of global carbon markets. This paper reviews the forms and current status of carbon market linking，explores the practical challenges of carbon market linking from five perspectives：geographical proximity，economic feasibility，political feasibility，climate policy differences，and environmental integrity. In response to these challenges，countermeasures are proposed to facilitate the linking of carbon markets and ensure the effective operation of the linked markets. This paper suggests providing a supportive political environment for carbon market linking，linking by degrees，enhancing coordination of carbon market institutional systems，overcoming legal barriers to carbon market linking，and ensuring the environmental integrity of the linked markets.
