This paper is a result of the project of Restoration and Protection of strategic Agro-Ecosystems in the Sink of CO2, Municipality of Pasto, Narino. It explores the possibility of that the communities of small lands owners of “La Cuenca Alta del Rio Pasto” contribute to the decrease of the climatic change and they obtain a monetary income and other benefi ts for the participation in forest projects of the Clean Development Mechanism. The document presents a novel methodology of participation to low incomes communities in MDL-LULUCF projects, different from the existing ones for the participation and confi dence generated in the small farmers. The article concludes with the evidence of viability of the CDM-LULUCF project and the benefi ts that it generated in academic issues, community development and the generation of potential projects that can be develop.