The article examines the potential for Cambodia, Lao PDR, and Vietnam to participate in the global market for reducing greenhouse gas emissions. It looks at factors like the size of their potential supply, business climate, and experience with CDM projects. The study finds that Vietnam faces challenges in making CDM projects economically viable, while Cambodia may struggle to attract CDM investments without support from carbon funds. Laos is at a disadvantage due to its limited CDM resources and lack of government support. Overall, the three countries need to improve their capacity and frameworks to compete in the CDM market.